What is [H 3 O + ] in a solution of 0.25 _M_ CH 3 CO 2 H and 0.030 _M_ NaCH 3 CO 2 ?   \text{CH}_{3}\text{CO}_{2}\text{H}(aq) + \text{H}_{2}\text{O}(l)\ \rightleftharpoons\ \text{H}_{3}\text{O}^{\text{+}}(aq) + \text{CH}_{3}\text{CO}_{2}{}^{\text{−}}(aq)\mspace{90mu} K_{\text{a}} = 1.8\ \times \ 10^{-5}

chemistry


mathematics


When an electron in an excited molybdenum atom falls from the L to the K shell, an X-ray is emitted. These X-rays are diffracted at an angle of 7.75Â° by planes with a separation of 2.64 Ã. What is the difference in energy between the K shell and the L shell in molybdenum assuming a first order diffraction?

chemistry


How can an entrepreneur learn from failures?

business


True or false? Milton Friedman’s economic philosophy advocates increased government regulation to ensure that corporations are socially responsible.

business


[LO 5.2](5-2-explain-and-identify-conversion-costs) How can there be a different number of equivalent units for materials as compared to conversion costs?

business


Mary works full-time at an office downtown while her young children stay at a neighborâs house. Sheâs just learned that the childcare provider is leaving the country.  Mary has succumbed to pressure to volunteer at her church, plus her ailing mother-in-law will be moving in with her next month. Which of the following is likely to occur as Mary tries to balance her existing and new responsibilities?

sociology


If you pick up and shake a piece of metal that has electrons in it free to move as a current, no electrons fall out. Yet if you heat the metal, electrons can be boiled off. Explain both of these facts as they relate to the amount and distribution of energy involved with shaking the object as compared with heating it.

physics


The bodyâs biological clock is located in the ________.

psychology


There are three possible structures for PCl2F3with phosphorus as the central atom. Draw them and discuss how measurements of dipole moments could help distinguish among them.

chemistry


How can you use the definition of acceleration to explain the units in which acceleration is measured?

physics


Analyze the factors that influence brain development during early childhood. Consider the roles of nutrition, sleep, stress, and exposure to stimulating activities. How do these factors contribute to cognitive and emotional development? Use examples from the text to illustrate your points. Based on this evidence, as a pediatrician, what recommendations would you make to parents who wish to ensure optimal cognitive and physical development for their child?

psychology


Which of the following wasnota key factor in the conditions that led to the Dust Bowl? previous overcultivation of farmlanddecreasing American demand for farm produceunfavorable weather conditionspoor farming techniques regarding proper irrigation and acreage rotation

history


A bullet is shot horizontally from shoulder height (1.5 m) with an initial speed 200 m/s. (a) How much time elapses before the bullet hits the ground? (b) How far does the bullet travel horizontally?

physics


[LO 13.1](13-1-explain-the-pricing-of-long-term-liabilities) What is a junk bond?

business


What shape in a flowchart represents a decision point?

computer_science


Consider our startup company that is 100% committed to leveraging innovative technologies as a business growth facilitator. Describe how it could leverage OS technology obsolescence. Give some precise examples and explain how the startup would be able to scale this approach.

computer_science


Use the standard entropy data inAppendix Gto determine the change in entropy for each of the following reactions. All the processes occur at the standard conditions and 25 Â°C. (a)MnO2(s)â¶Mn(s)+O2(g)MnO2(s)â¶Mn(s)+O2(g) (b)H2(g)+Br2(l)â¶2HBr(g)H2(g)+Br2(l)â¶2HBr(g) (c)Cu(s)+S(g)â¶CuS(s)Cu(s)+S(g)â¶CuS(s) (d)2LiOH(s)+CO2(g)â¶Li2CO3(s)+H2O(g)2LiOH(s)+CO2(g)â¶Li2CO3(s)+H2O(g) (e)CH4(g)+O2(g)â¶C(s,graphite)+2H2O(g)CH4(g)+O2(g)â¶C(s,graphite)+2H2O(g) (f)CS2(g)+3Cl2(g)â¶CCl4(g)+S2Cl2(g)CS2(g)+3Cl2(g)â¶CCl4(g)+S2Cl2(g)

chemistry


How does the poverty trap discourage people from working?

economics


On cold, clear nights horses will sleep under the cover of large trees. How does this help them keep warm?

physics


computer_science


How have digital media changed social interactions? Do you believe it has deepened or weakened human connections? Defend your answer.

sociology


Gold is sold by the troy ounce (31.103 g). What is the volume of 1 troy ounce of pure gold?

physics


What is the equation for linear momentum?

physics


Find thex- andy-intercepts on the graph.

mathematics


[LO 4.1](4-1-distinguish-between-job-order-costing-and-process-costing) Which of the following product situations is better suited to job order costing than to process costing?    A. Each product batch is exactly the same as the prior batch.   B. The costs are easily traced to a specific product.   C. Costs are accumulated by department.   D. The value of work in process is based on assigning standard costs.

business


Which region of gray matter in the spinal cord contains motor neurons that innervate skeletal muscles?

biology


An allosteric inhibitor does which of the following?

biology


Based on its shape, which microbe is this?  Figure 23.26 (credit: modification of work by Centers for Disease Control and Prevention)    A. _Neisseria gonorrhoeae_   B. _Chlamydia trachomatis_   C. _Treponema pallidum_   D. _Haemophilis ducreyi_

biology


What is Kubernetes (K8S) service and how does it benefit users?

computer_science


LO6.5Why is absorption costing the method allowable for GAAP?

business


Consider a battery with the overall reaction:Cu(s)+2Ag+(aq)â¶2Ag(s)+Cu2+(aq).Cu(s)+2Ag+(aq)â¶2Ag(s)+Cu2+(aq). (a) What is the reaction at the anode and cathode? (b) A battery is âdeadâ when its cell potential is zero. What is the value ofQwhen this battery is dead? (c) If a particular dead battery was found to have [Cu2+] = 0.11M, what was the concentration of silver ion?

chemistry


Suppose the magnetic field of the preceding problem oscillates with time according to B = B_{0}\ \text{sin}\ \omega t. What then is the emf induced in the loop when its trailing side is a distance _d_ from the right edge of the magnetic field region?

physics


A company has 800 employees.  The average number of workdays between absence for illness is 123 with a standard deviation of 14 days.  Samples of 50 employees are examined.  What is the probability a sample has a mean of workdays with no absence for illness of at least 124 days?

business


What role could a flight simulator play in the design of a new aircraft?

psychology


biology


LO15.5When a partnership liquidates, do partners get paid first or do creditors get paid first?

business


Write a balanced equation for the reaction of elemental boron with each of the following (most of these reactions require high temperature): (a) F2 (b) O2 (c) S (d) Se (e) Br2

chemistry


The UTSA not only prohibits the actual disclosure or use of a trade secret, it also protects against the “threatened” disclosure of trade secrets. When might a court intervene to stop a “threatened” disclosure before the actual disclosure takes place?    A. An employee goes to work for another company in a different industry.   B. An employee caught embezzling is fired and the employer believes the same lack of morals will lead to the fired employee disclosing trade secrets.   C. An employee goes to work for an arch competitor in a comparable job position.

business


If you lower the window on a car while moving, an empty plastic bag can sometimes fly out the window. Why does this happen?

physics


What is the actual frequency of the wave produced as a result of superposition of two waves?

physics


(a) Write the complete \beta^{-}{} decay equation for the neutron. (b) Find the energy released in the decay.

physics


Explain why diversification reduces unsystematic risk but not systematic risk.

business


Which arrangementbestdescribes a bipennate muscle?

biology


What is the direction of the magnetic field that produces the magnetic force shown on the currents in each of the three cases in [Figure 22.52](22-problems-exercises#import-auto-id1166991855779) , assuming \textbf{B} is perpendicular to \textbf{I} ?  Figure 22.52

physics


The buffer that is adjusted to control acid-base balance is ________.

biology


mathematics


Which of the following is _not_ one of the rights the Bill of Rights guarantees?    A. the right to freedom of speech   B. the right to an education   C. the right to bear arms   D. the right to a trial by jury

history


Which neural population is involved in sensing blood osmolarity?

psychology


Which infrastructure component of cloud computing provides users with the ability to gain access to a private computing environment?

computer_science


A re-created ecosystem in a laboratory environment is known as a ________.

biology


The health care provider has recommended that a client begin taking an anti-inflammatory drug to reduce the pain of osteoarthritis. Which medication does the nurse anticipate the provider will order?

nursing


A boat can be rowed at 8.0 km/h in still water. (a) How much time is required to row 1.5 km downstream in a river moving 3.0 km/h relative to the shore? (b) How much time is required for the return trip? (c) In what direction must the boat be aimed to row straight across the river? (d) Suppose the river is 0.8 km wide. What is the velocity of the boat with respect to Earth and how much time is required to get to the opposite shore? (e) Suppose, instead, the boat is aimed straight across the river. How much time is required to get across and how far downstream is the boat when it reaches the opposite shore?

physics


What is a statement that best characterizes the Agile software development process?

computer_science


Coccidioidomycosis may develop when _Coccidioides immitis_ _______ are inhaled.

biology


A 76.0-kg person is being pulled away from a burning building as shown in [Figure 4.40](4-problems-exercises#import-auto-id2677556) . Calculate the tension in the two ropes if the person is momentarily motionless. Include a free-body diagram in your solution.

physics


Examine the package of a product that you have in your pantry at home. Determine how the packaging aligns with the brand, protects the product, and displays value.

business


Using the following terms, explain what classifications and groups humans fall into, from the most general to the most specific: symmetry, germ layers, coelom, cleavage, embryological development.

biology


What is the most central doctrine of Mohism, and how does it contrast to Confucian ethics?

philosophy


A sample of ammonium chloride was heated in a closed container. \text{NH}_{4}\text{Cl}(s)\rightleftharpoons\text{NH}_{3}(g) + \text{HCl}(g) At equilibrium, the pressure of NH 3 ( _g_ ) was found to be 1.75 atm. What is the value of the equilibrium constant _K P_ for the decomposition at this temperature?

chemistry


Two sinusoidal waves with identical wavelengths and amplitudes travel in opposite directions along a string producing a standing wave. The linear mass density of the string is \mu = 0.075\ \text{kg/m} and the tension in the string is F_{T} = 5.00\ \text{N}. The time interval between instances of total destructive interference is \text{Δ}t = 0.13\ \text{s}. What is the wavelength of the waves?

physics


With farmers still representing a significant segment of American society, why did government officialsâDemocrats and Republicans alikeâprove unwilling to help find solutions to farmersâ problems?

history


When does a real gas behave like an ideal gas?

physics


Use linear regression to determine a function _y_ , where the year depends on the population. Round to three decimal places of accuracy.

mathematics


If the average cost per gigabyte of RAM in 2010 is $12, find the average cost per gigabyte of RAM in 1980.

mathematics


mathematics


Which statement explains how it is possible to carry books to school without changing the kinetic or potential energy of the books or doing any work?

physics


What is the main advantage of automatic stabilizers over discretionary fiscal policy?

economics


Earth is not a perfect sphere. Its radius as well as the value of _g_ vary with latitude. (a) Calculate Earth’s mass given the acceleration due to gravity at the North Pole is 9.807\ m\text{/s}^{2} and the radius of the Earth at the pole is 6356.8 km.(b) Compare this with the accepted value of 5.972{\times \text{10}^{\text{24}}}\ \text{kg} .

physics


Which contains the greatest mass of oxygen: 0.75 mol of ethanol (C2H5OH), 0.60 mol of formic acid (HCO2H), or 1.0 mol of water (H2O)? Explain why.

chemistry


The _____ of the constitution offers the most extensive protection for businesses.

business


Calculate the hydronium ion concentration and the hydroxide ion concentration in lime juice from its pH. SeeFigure 14.2for useful information.

chemistry


(a) Find the electric field at the center of the triangular configuration of charges in [Figure 18.50](18-problems-exercises#import-auto-id1427585) , given that q_{a}\text{=+}2\text{.}\text{50}\ \text{nC} , {q_{b} = {- 8}}\text{.}\text{00}\ \text{nC} , and q_{c}\text{=+}1\text{.}\text{50}\ \text{nC} . (b) Is there any combination of charges, other than {q_{a} = q_{b}} = q_{c} , that will produce a zero strength electric field at the center of the triangular configuration?

physics


Studies of British civil servants have found that those in the lowest status jobs are much more likely to develop heart disease than those who have high status jobs. These findings attest to the importance of ________ in dealing with stress.

psychology


Describe how the currents through R_{1}\ \text{and}\ R_{2} shown below vary with time after switch S is closed.

physics


The molecule XF 3 has a dipole moment. Is X boron or phosphorus?

chemistry


True or false? John Stuart Millâs emphasis on human rights distinguishes him from Jeremy Bentham.

business


sociology


What is the origin of the wrist flexors?

biology


A new WiFi range booster is being offered to consumers. A researcher tests the native range of 12 different routers under the same conditions. The ranges are recorded. Then the researcher uses the new WiFi range booster and records the new ranges. Does the new WiFi range booster do a better job?

mathematics


What technique helped researchers discover that microglia are constantly moving?

psychology


As a judge, Baxter applies common law rules. These rules develop from:

business


Which of the following rules has the Supreme Court said is an _undue burden_ on the right to have an abortion?    A. Women must make more than one visit to an abortion clinic before the procedure can be performed.   B. Minors must gain the consent of a parent or judge before seeking an abortion.   C. Women must notify their spouses before having an abortion.   D. Women must be informed of the health consequences of having an abortion.

political_science


x - 7\ \text{when}\    A. ⓐ x=5x=5   B. ⓑ x=−4x=−4

mathematics


mathematics


\left\\{ \begin{array}{l} {2x - y = 5} \\\ {4x - 2y = 10} \end{array} \right.

mathematics


\rho(x,y) = xy on the circle with radius 1 in the first quadrant only.

mathematics


More primers are used in lagging strand synthesis than in leading strand synthesis.

biology


How did Ibn Sinaâs scientific approach differ from that of the Aristotle and the Epicureans?

philosophy


The plasma membrane of a protist is called the __________.

biology


In which circumstance would the courts find libel?

political_science


Which of the following organizations is _not_ an example of a social movement?    A. National Football League   B. Tea Party   C. Greenpeace   D. NAACP

sociology


Which surface has a higher temperature – the surface of a yellow star or that of a red star?

physics


Lipids are a naturally occurring group of substances that are not soluble in water but are freely soluble in organic solvents.

biology


A baseball diamond is shaped like a square with sides 90 feet long. How far is it from home plate to second base, as shown?

mathematics


What causes the largest mass-to-light ratio: gas and dust, dark matter, or stars that have burnt out?

astronomy


Do the carrier particles explain the loss of mass in nuclear decay?

physics


When governments are unable to pass major legislation and stalemates between competing parties occur, this is known as ____________.

political_science


Imagine a cell can perform exocytosis, but only minimal endocytosis. What would happen to the cell?

biology


When acting as an agenda setter, the media ________.

political_science


A research study is being conducted to understand the opinions of people on the new city budget. The population consists of residents from different neighborhoods in the city with varying income levels. The following table provides the data of 130 participants randomly selected for the study, categorized by their neighborhood and income level.NeighborhoodIncome LevelNumber of ParticipantsNorthsideLow Income35SouthsideMiddle Income50EastsideHigh Income45Table2.12Neighborhood and Income level CategoryWhat sampling technique was used to collect this data?

computer_science


Under certain conditions the decomposition of ammonia on a metal surface gives the following data: [NH3] (M)1.0ÃÃ10â32.0ÃÃ10â33.0ÃÃ10â3Rate (mol Lâ1hâ1)1.5ÃÃ10â61.5ÃÃ10â61.5ÃÃ10â6 Determine the rate law, the rate constant, and the overall order for this reaction.

chemistry


The sum of two consecutive odd integers is - . Find the numbers.

mathematics


(a) Calculate the wavelength of a photon that has the same momentum as a proton moving with 1% of the speed of light in a vacuum. (b) What is the energy of this photon in MeV? (c) What is the kinetic energy of the proton in MeV?

physics


During an immediate threat to survival, what does allostasis allow an organism to do?

psychology


mathematics


If the 0.010-mm diameter tungsten filament in a light bulb is to have a resistance of \text{0.200 Ω} at 20.00º\text{C} , how long should it be?

physics


Which of the lymphoid nodules is most likely to see food antigens first?

biology


How can you locate the equilibrium point on a demand and supply graph?

economics


Contrast transcription and translation. Name at least three differences between the two processes.

biology


Which statement about venue shopping is true?

political_science


The sun produces energy at a rate of 3.85\ \times \ 10^{26} W by the fusion of hydrogen. About 0.7% of each kilogram of hydrogen goes into the energy generated by the Sun. (a) How many kilograms of hydrogen undergo fusion each second? (b) If the sun is 90.0% hydrogen and half of this can undergo fusion before the sun changes character, how long could it produce energy at its current rate? (c) How many kilograms of mass is the sun losing per second? (d) What fraction of its mass will it have lost in the time found in part (b)?

physics


What is the term for an environment that is owned by a specific community or cloud provider that is offering services to a specific community?

computer_science


What does a Functionalist consider when studying a phenomenon like the Tea Party movement?    A. The minute functions that every person at the protests plays in the whole   B. The internal conflicts that play out within such a diverse and leaderless group   C. How the movement contributes to the stability of society by offering the discontented a safe, controlled outlet for dissension   D. The factions and divisions that form within the movement

sociology


A nurse is teaching a group of nursing students about the Na+K+ATPase pump. Which of the following statements accurately describes the role of this pump in maintaining cellular function?

nursing


How many grams of coffee must evaporate from 350 g of coffee in a 100-g glass cup to cool the coffee from \text{95}\text{.}0º\text{C} to \text{45}\text{.}0º\text{C} ? You may assume the coffee has the same thermal properties as water and that the average heat of vaporization is 2340 kJ/kg (560 cal/g). (You may neglect the change in mass of the coffee as it cools, which will give you an answer that is slightly larger than correct.)

physics


Name some factors that could cause the SRAS curve to shift, and say whether they would shift SRAS to the right or to the left.

economics


LO12.2What are the six characteristics of a good performance measurement system?

business


Is there a limit to the height to which an entrainment device can raise a fluid? Explain your answer.

physics


What is the height off(x) for the continuous probability distribution?

mathematics


sociology


Why does dementia often go undiagnosed for some period of time?

psychology


mathematics


How would a contractionary monetary policy affect the exchange rate, net exports, aggregate demand, and aggregate supply?

economics


[Table 14.11](14-self-check-questions#Table_15_03) shows levels of employment (Labor), the marginal product at each of those levels, and a monopoly’s marginal revenue.  Labor | Marginal Product of Labor | Price of the Product   ---|---|---   1 | 10 | $10   2 | 8 | $7   3 | 7 | $5   4 | 5 | $4   5 | 3 | $2   6 | 1 | $1   Table 14.11    A. What is the monopoly’s marginal revenue product at each level of employment?   B. If the monopoly operates in a perfectly competitive labor market where the going market wage is $20, what is the firm’s profit maximizing level of employment?

economics


What key topic in IS education explores the processes to connect computers and other technology to enable information sharing?

computer_science


Briefly describe the similarities and differences between the experiences of Native Americans and Native Hawaiians.

political_science


A solid sphere of radius 10 cm is allowed to rotate freely about an axis. The sphere is given a sharp blow so that its center of mass starts from the position shown in the following figure with speed 15 cm/s. What is the maximum angle that the diameter makes with the vertical?

physics


Which of the following goods or services are nonexcludable?

economics


Explain how tidal forces are causing the Moon to slowly recede from Earth.

astronomy


Which of the following is _not_ true of a republic?    A. A republic has no hereditary ruling class.   B. A republic relies on the principle of popular sovereignty.   C. Representatives chosen by the people lead the republic.   D. A republic is governed by a monarch and the royal officials he or she appoints.

history


Which of the following factors can lead to reemergence of a disease?    A. A mutation that allows it to infect humans   B. A period of decline in vaccination rates   C. A change in disease reporting procedures   D. Better education on the signs and symptoms of the disease

biology


Explain the difference between the _establishment clause_ and the _free exercise clause_ , and explain how these two clauses work together to guarantee religious freedoms.

political_science


Which molecule is a Cdk inhibitor that is controlled by p53?

biology


astronomy


LO10.1Explain why a company might want to utilize the gross profit method or the retail inventory method for inventory valuation.

business


Why is strength training an important activity as adults age?

psychology


When you do a load of laundry, why do you not just drop a bar of soap into the washing machine? In other words, why is laundry detergent sold as a liquid or powder?

biology


Two long wires, one of which has a semicircular bend of radius _R_ , are positioned as shown in the accompanying figure. If both wires carry a current _I_ , how far apart must their parallel sections be so that the net magnetic field at P is zero? Does the current in the straight wire flow up or down?

physics


LO6.5You own your own outdoor recreation supply store. You are in the process of drafting a standard invoice agreement for customer sales conducted on credit. Create a sample sales invoice with the following minimum information listed: Your company informationDate of saleYour customerâs informationAn example product you sell with name, description, price per unit, and number of units soldTerms of sale including credit terms and shipping charges, with numerical figures for shipping chargesAny contract language necessary to further establish the terms of sale (for example, warranties, limitations on shipping, and returns) Write a reflection about your invoice choice, as it relates to format, terms, contract language, and pricing strategies. Conduct a comparison study to others in your industry (such asREI) to evaluate your choices. Make sure to support your decisions with concrete examples and research.

business


Use the information in [Figure 10.24](10-3-phase-transitions) to estimate the boiling point of water in Denver when the atmospheric pressure is 83.3 kPa.

chemistry


LO3.1Explain what conservatism means, and give an example in your own words.

business


Describe the position of the transition state on a vertical energy scale, from low to high, relative to the position of the reactants and products, for both endergonic and exergonic reactions.

biology


How did the message of Black Power advocates differ from that of more mainstream civil rights activists such as Martin Luther King, Jr.?

history


LO9.3What are some possible negative signals when the product of the accounts receivable turnover ratio is lower (i.e., fewer times)?

business


Identify and label the BrÃ¸nsted-Lowry acid, its conjugate base, the BrÃ¸nsted-Lowry base, and its conjugate acid in each of the following equations: (a)HNO3+H2Oâ¶H3O++NO3âHNO3+H2Oâ¶H3O++NO3â (b)CNâ+H2Oâ¶HCN+OHâCNâ+H2Oâ¶HCN+OHâ (c)H2SO4+Clââ¶HCl+HSO4âH2SO4+Clââ¶HCl+HSO4â (d)HSO4â+OHââ¶SO42â+H2OHSO4â+OHââ¶SO42â+H2O (e)O2â+H2Oâ¶2OHâO2â+H2Oâ¶2OHâ (f)[Cu(H2O)3(OH)]++[Al(H2O)6]3+â¶[Cu(H2O)4]2++[Al(H2O)5(OH)]2+[Cu(H2O)3(OH)]++[Al(H2O)6]3+â¶[Cu(H2O)4]2++[Al(H2O)5(OH)]2+ (g)H2S+NH2ââ¶HSâ+NH3H2S+NH2ââ¶HSâ+NH3

chemistry


Which of the following compounds precipitates from a solution that has the concentrations indicated? (SeeAppendix JforKspvalues.) (a) CaCO3: [Ca2+] = 0.003M,[CO32â][CO32â]= 0.003M (b) Co(OH)2: [Co2+] = 0.01M, [OHâ] = 1ÃÃ10â7M (c) CaHPO4: [Ca2+] = 0.01M,[HPO42â][HPO42â]= 2ÃÃ10â6M (d) Pb3(PO4)2: [Pb2+] = 0.01M,[PO43â][PO43â]= 1ÃÃ10â13M

chemistry


Write the chemical formula and Lewis structure of the following, each of which contains five carbon atoms: (a) an alkane (b) an alkene (c) an alkyne

chemistry


A subprime mortgage is ________. a high-risk, high-interest loana federal bailout for major banksa form of insurance on investmentsa form of political capital

history


Under which circumstances might a person choose to bootstrap a venture?

business


The tails of the phospholipids of the plasma membrane are composed of _____ and are _______?

biology


A Carnot engine employs 1.5 mol of nitrogen gas as a working substance, which is considered as an ideal diatomic gas with \gamma = 7/5 at the working temperatures of the engine. The Carnot cycle goes in the cycle _ABCDA_ with _AB_ being an isothermal expansion. The volume at points _A_ and _C_ of the cycle are 5.0\ \times \ 10^{-3}\ \text{m}^{3} and 0.15 L, respectively. The engine operates between two thermal baths of temperature 500 K and 300 K. (a) Find the values of volume at _B_ and _D_ . (b) How much heat is absorbed by the gas in the _AB_ isothermal expansion? (c) How much work is done by the gas in the _AB_ isothermal expansion? (d) How much heat is given up by the gas in the _CD_ isothermal expansion? (e) How much work is done by the gas in the _CD_ isothermal compression? (f) How much work is done by the gas in the _BC_ adiabatic expansion? (g) How much work is done by the gas in the _DA_ adiabatic compression? (h) Find the value of efficiency of the engine based on the net work and heat input. Compare this value to the efficiency of a Carnot engine based on the temperatures of the two baths.

physics


In SI units, speeds are measured in meters per second (m/s). But, depending on where you live, you’re probably more comfortable of thinking of speeds in terms of either kilometers per hour (km/h) or miles per hour (mi/h). In this problem, you will see that 1 m/s is roughly 4 km/h or 2 mi/h, which is handy to use when developing your physical intuition. More precisely, show that (a) 1.0\ \text{m/s} = 3.6\ \text{km/h} and (b) 1.0\ \text{m/s} = 2.2\ \text{mi/h}.

physics


biology


What is the value of the magnetic flux at coil 2 in [Figure 23.53](23-problems-exercises#import-auto-id1169737958541) due to coil 1? Figure 23.53 (a) The planes of the two coils are perpendicular. (b) The wire is perpendicular to the plane of the coil.

physics


Find the electric flux through the closed surface whose cross-sections are shown below.

physics


\sqrt{- 2}\left( {\sqrt{- 8} - \sqrt{5}} \right)

mathematics


Explain why the statement that a monkey is more evolved than a mouse is incorrect.

biology


Christianity and Islam both regard God as sovereign. In these religions, how are end-of-life treatments and euthanasia generally regarded, and why?

psychology


The gas tank of a certain luxury automobile holds 22.3 gallons according to the ownerâs manual. If the density of gasoline is 0.8206 g/mL, determine the mass in kilograms and pounds of the fuel in a full tank.

chemistry


mathematics


Engineering Application Near the top of the Citigroup Center building in New York City, there is an object with mass of 4\text{.}{\text{00} \times \text{10}^{5}}\ \text{kg} on springs that have adjustable force constants. Its function is to dampen wind-driven oscillations of the building by oscillating at the same frequency as the building is being driven—the driving force is transferred to the object, which oscillates instead of the entire building. (a) What effective force constant should the springs have to make the object oscillate with a period of 2.00 s? (b) What energy is stored in the springs for a 2.00-m displacement from equilibrium?

physics


Why is it important to understand and be aware of global stratification? Make a list of specific issues that are related to global stratification. For inspiration, turn on a news channel or read the newspaper. Next, choose a topic from your list, and look at it more closely. Who is affected by this issue? How is the issue specifically related to global stratification?

sociology


Two sinusoidal waves, which are identical except for a phase shift, travel along in the same direction. The wave equation of the resultant wave is y_{R}\left( {x,t} \right) = 0.70\ \text{m}\ \text{sin}\left( {3.00\ \text{m}^{-1}x - 6.28\ \text{s}^{-1}t +} \right.   \left. {\pi\text{/}16\ \text{rad}} \right). What are the angular frequency, wave number, amplitude, and phase shift of the individual waves?

physics


Which of the following was the term southerners used for a White southerner who tried to overturn the changes of Reconstruction? scalawagcarpetbaggerredeemerwhite knight

history


Suppose you have a device that extracts energy from ocean breakers in direct proportion to their intensity. If the device produces 10.0 kW of power on a day when the breakers are 1.20 m high, how much will it produce when they are 0.600 m high?

physics


chemistry


Tungsten crystallizes in a body-centered cubic unit cell with an edge length of 3.165 Å. (a) What is the atomic radius of tungsten in this structure? (b) Calculate the density of tungsten.

chemistry


Ruby lasers have chromium atoms doped in an aluminum oxide crystal. The energy level diagram for chromium in a ruby is shown in [Figure 30.59](30-problems- exercises#import-auto-id1474697) . What wavelength is emitted by a ruby laser? Figure 30.59 Chromium atoms in an aluminum oxide crystal have these energy levels, one of which is metastable. This is the basis of a ruby laser. Visible light can pump the atom into an excited state above the metastable state to achieve a population inversion.

physics


Classify each of the following changes as physical or chemical: (a) condensation of steam (b) burning of gasoline (c) souring of milk (d) dissolving of sugar in water (e) melting of gold

chemistry


What is the difference between ÎSand ÎSÂ° for a chemical change?

chemistry


If you draw a card at random from a standard 52-card deck and note its suit, what is the sample space?

mathematics


Maoism alters Marxism by seeing __________.

political_science


According to Piaget, how does moral reasoning develop during middle childhood? What were Piagetâs two stages of moral reasoning?

psychology


How will each of the following affect the rate of the reaction:CO(g)+NO2(g)â¶CO2(g)+NO(g)CO(g)+NO2(g)â¶CO2(g)+NO(g)if the rate law for the reaction israte=k[NO2][CO]rate=k[NO2][CO]? (a) Increasing the pressure of NO2from 0.1 atm to 0.3 atm (b) Increasing the concentration of CO from 0.02Mto 0.06M.

chemistry


Why is there asymmetric information in the labor market? What signals can an employer look for that might indicate the traits they are seeking in a new employee?

economics


At a pH of 7.40, the carbonic acid ratio is ________.

biology


biology


mathematics


LO12.3If a bankruptcy is deemed likely to occur and is reasonably estimated, what would be the recognition and disclosure requirements for the company?

business


In the equationÏ=rFsinÎ¸Ï=rFsinÎ¸, what isF?

physics


What invention is credited with providing ordinary people with access to information and ideas that were previously unavailable?

computer_science


Which isnotan example of a normative organization?

sociology


What has been learned through research on children who do not receive typical language stimulation during early childhood, such as the case of Genie?

psychology


\sin\left( {\sec^{- 1}\left( \frac{3}{5} \right)} \right)

mathematics


Point charges are placed at the four corners of a rectangle as shown below: q_{1} = 2.0\ \times \ 10^{-6}\ \text{C}, q_{2} = -2.0\ \times \ 10^{-6}\ \text{C,} q_{3} = 4.0\ \times \ 10^{-6}\ \text{C,} and q_{4} = 1.0\ \times \ 10^{-6}\ \text{C}. What is the electric field at _P_ ?

physics


The average daily balance for Gregâs last credit card statement was $1,403.50. The card charges 15.9% interest. If the billing cycle for that statement was 30 days, how much interest is Greg charged?

mathematics


The speed of sound is measured at342m/son a certain day. What is this inkm/h? Report your answer in scientific notation.

physics


Use the one-to-one property of logarithms to find an exact solution for \ln(5) + \ln\left( {5x^{2} - 5} \right) = \ln(56). If there is no solution, write _no solution_ .

mathematics


In cases of shingles, the antiviral drug _______ may be prescribed.

biology


Which statement illustrates low status consistency?

sociology


Unidirectional replication of a circular DNA molecule like a plasmid that involves nicking one DNA strand and displacing it while synthesizing a new strand is called ________.

biology


Healthcare professionals often work rotating shifts. Why is this problematic? What can be done to deal with potential problems?

psychology


The enzyme used in light repair to split thymine dimers is called ________.

biology


A scientist is studying a 2.234 g sample of thorium-229 (t1/2= 7340 y) in a laboratory. (a) What is its activity in Bq? (b) What is its activity in Ci?

chemistry


Diversity and inclusion at all levels of a private-sector company is ________.    A. mandated by federal law   B. the approach preferred by many companies   C. required by state law in thirty states   D. contrary to the company’s fiduciary duty to stockholders

business


mathematics


When a three dimensional vector is used in the study of atmospheric sciences, what is z?

physics


What is the magnitude of a vector whose x-component is2unitsand whose angle is60â?

physics


psychology


A client with a history of opioid use disorder is prescribed naltrexone to aid in abstaining from opioid use. Which information will the nurse give the client?

nursing


Which cell type is most important for helping to form the blood-brain barrier?

psychology


True or False: In a semi-presidential regime, the head of government can be from one party and the president from another party.

political_science


What types of cases come before the International Court of Justice?

political_science


[CuCl4]2âis green. [Cu(H2O)6]2+is blue. Which absorbs higher-energy photons? Which is predicted to have a larger crystal field splitting?

chemistry


Use the standard entropy data inAppendix Gto determine the change in entropy for each of the following reactions. All the processes occur at the standard conditions and 25 Â°C. (a)C(s, graphite)+O2(g)â¶CO2(g)C(s, graphite)+O2(g)â¶CO2(g) (b)O2(g)+N2(g)â¶2NO(g)O2(g)+N2(g)â¶2NO(g) (c)2Cu(s)+S(g)â¶Cu2S(s)2Cu(s)+S(g)â¶Cu2S(s) (d)CaO(s)+H2O(l)â¶Ca(OH)2(s)CaO(s)+H2O(l)â¶Ca(OH)2(s) (e)Fe2O3(s)+3CO(g)â¶2Fe(s)+3CO2(g)Fe2O3(s)+3CO(g)â¶2Fe(s)+3CO2(g) (f)CaSO4Â·2H2O(s)â¶CaSO4(s)+2H2O(g)CaSO4Â·2H2O(s)â¶CaSO4(s)+2H2O(g)

chemistry


What are some factors that might indicate it is a good time to start a business?

business


Who should ultimately remain responsible for high-stakes decisions being informed by AI?

computer_science


What would be the impact of imposing a price floor below the equilibrium price?

economics


The nurse is providing client education on the drug orlistat. The nurse explains common adverse effects of orlistat that subside within 4 weeks are:

nursing


Of the following countries, which one best represents the type of authoritarian rule that can emerge in a semi-presidential country?

political_science


Parallaxes are measured in fractions of an arcsecond. One arcsecond equals 1/60 arcmin; an arcminute is, in turn, 1/60th of a degree (Â°). To get some idea of how big 1Â° is, go outside at night and find the Big Dipper. The two pointer stars at the ends of the bowl are 5.5Â° apart. The two stars across the top of the bowl are 10Â° apart. (Ten degrees is also about the width of your fist when held at armâs length and projected against the sky.) Mizar, the second star from the end of the Big Dipperâs handle, appears double. The fainter star, Alcor, is about 12 arcmin from Mizar. For comparison, the diameter of the full moon is about 30 arcmin. The belt of Orion is about 3Â° long. Keeping all this in mind, why did it take until 1838 to make parallax measurements for even the nearest stars?

astronomy


Which of the following will increase the percent of NH3that is converted to the ammonium ion in water? (a) addition of NaOH (b) addition of HCl (c) addition of NH4Cl

chemistry


Describe the fascicle arrangement in the muscles of the abdominal wall. How do they relate to each other?

biology


What form does the trajectory of a particle have if the distance from any point _A_ to point _B_ is equal to the magnitude of the displacement from _A_ to _B_ ?

physics


CT scanners do not detect details smaller than about 0.5 mm. Is this limitation due to the wavelength of x rays? Explain.

physics


A ball is thrown into the air and the vertical position is given byx(t)=â4.9t2+25t+5.x(t)=â4.9t2+25t+5.Use the Intermediate Value Theorem to show that the ball must land on the ground sometime between 5 sec and 6 sec after the throw.

mathematics


An economic union requires giving up some political autonomy to succeed. What are some examples of political power countries must give up to be members of an economic union?

economics


mathematics


A nurse is preparing to administer phenytoin 70 mg bolus to a client with a seizure disorder. The drug is supplied as a 50 mg/mL vial. How many milliliters should the nurse administer? Round to the nearest tenth.

nursing


The mass of the interstellar medium is determined by a balance between sources (which add mass) and sinks (which remove it). Make a table listing the major sources and sinks, and briefly explain each one.

astronomy


Which is the least expensive source of energy in kilojoules per dollar: a box of breakfast cereal that weighs 32 ounces and costs $4.23, or a liter of isooctane (density, 0.6919 g/mL) that costs $0.45? Compare the nutritional value of the cereal with the heat produced by combustion of the isooctane under standard conditions. A 1.0-ounce serving of the cereal provides 130 Calories.

chemistry


Construct a 95% confidence interval for the population mean weight of the heads of lettuce. State the confidence interval, sketch the graph, and calculate the error bound.

mathematics


Water rises in a glass capillary tube to a height of 17 cm. What is the diameter of the capillary tube?

chemistry


Two recent periods of large-scale bureaucratic expansion were ________.    A. the 1930s and the 1960s   B. the 1920s and the 1980s   C. the 1910s and the 1990s   D. the 1930s and the 1950s

political_science


Draw a Venn diagram to represent the relationship between the described sets: FalconsâRaptors.

mathematics


Piaget called mental actions that use logic and are reversible ________.

psychology


computer_science


The sum of two numbers is -32 . One number is two less than twice the other. Find the numbers.

mathematics


To what form of government did the American revolutionaries turn after the war for independence?    A. republicanism   B. monarchy   C. democracy   D. oligarchy

history


If we do find life on Mars, what might be some ways to check whether it formed separately from Earth life, or whether exchanges of material between the two planets meant that the two forms of life have a common origin?

astronomy


How long does it take a child on a swing to complete one swing if her center of gravity is 4.00 m below the pivot?

physics


A botanist travels to an area that has experienced a long, severe drought. While examining the bryophytes in the area, they notice that many are in the same life-cycle stage. Which life-cycle stageshouldbe the most common?

biology


Predict the end result if a chloroplastâs light-independent enzymes developed a mutation that prevented them from activating in response to light.

biology


biology


mathematics


Which of these deeply branching bacteria is considered a polyextremophile?    A. _Aquifex pyrophilus_   B. _Deinococcus radiodurans_   C. _Staphylococcus aureus_   D. _Mycobacterium tuberculosis_

biology


At what velocity does a proton have a 6.00-fm wavelength (about the size of a nucleus)? Assume the proton is nonrelativistic. (1 femtometer = \text{10}^{- \text{15}}\ \text{m.} )

physics


Which ion is primarily involved in the initiation of massive muscledepolarizationcalled a muscle action potential following the opening voltage-gated channels?

psychology


What software engineering process follows a linear process flow?

computer_science


State the null hypothesis for a one-way ANOVA test if there are four groups.

mathematics


A high school is conducting a survey to understand the opinions of the schoolâs students toward the food options available in the cafeteria. They have divided the student population into four groups based on grade level (9th, 10th, 11th, 12th). A random sample of 60 students is selected from each group and asked to rate the cafeteria food on a scale of 1â10. The results are shown in the following table:Grade LevelNumber of StudentsAverage Rating9th608.110th607.411th606.312th606.1Table2.11High School SurveyWhat sampling technique was used to collect this data?

computer_science


Find the tangential and normal acceleration components with the position vectorr(t)=â©cost,sint,etâª.r(t)=â©cost,sint,etâª.

mathematics


What is the difference between harmonics and overtones?

physics


Isooctane is the common name of the isomer of C 8 H 18 used as the standard of 100 for the gasoline octane rating:   (a) What is the IUPAC name for the compound? (b) Name the other isomers that contain a five-carbon chain with three methyl substituents.

chemistry


A force acts on a car of mass _m_ so that the speed _v_ of the car increases with position _x_ as v = kx^{2} , where _k_ is constant and all quantities are in SI units. Find the force acting on the car as a function of position.

physics


What is the difference betweenÎ³Î³rays and characteristic x rays? Is either necessarily more energetic than the other? Which can be the most energetic?

physics


Complete and balance the equations of the following reactions, each of which could be used to remove hydrogen sulfide from natural gas: (a)Ca(OH)2(s)+H2S(g)â¶Ca(OH)2(s)+H2S(g)â¶ (b)Na2CO3(aq)+H2S(g)â¶Na2CO3(aq)+H2S(g)â¶

chemistry


The approach discussed in this chapter appears to be top-down as it comes to deriving solution architectures from higher levels of architecture scope. Is it possible to start from a solution architecture and establish the architecture scopes that correspond to it at the portfolio and enterprise levels?

computer_science


Pain sensation from the right side of the body ascends on which side of the spinal cord?

psychology


Meat can be classified as fresh (not frozen) even though it is stored at â1 Â°C. Why wouldnât meat freeze at this temperature?

chemistry


How might framing or priming affect the way a reader or viewer thinks about an issue?

political_science


physics


Gene therapy can be used to introduce foreign DNA into cells ________.

biology


What is the theory of Ricardian equivalence?

economics


Chemical reactions occur when reactants collide. What are two factors that may prevent a collision from producing a chemical reaction?

chemistry


Explain why power is transmitted over long distances at high voltages.

physics


economics


A nurse is explaining a clientâs lipid panel results. Which statement by the client indicates a need for further teaching?

nursing


Under what circumstances will an image be located at the focal point of a spherical lens or mirror?

physics


mathematics


psychology


Dr. Anastasia believes that major depressive disorder is caused by an over-secretion of cortisol. His view on the cause of major depressive disorder reflects a ________ perspective.

psychology


[LO 11.4](11-4-use-discounted-cash-flow-models-to-make-capital-investment- decisions) The NPV method assumes that cash inflows associated with a particular investment occur when?    A. only at the time of the initial investment   B. only at the end of the year   C. only at the beginning of the year   D. at any of these times

business


What would happen if no carbonic anhydrase were present in red blood cells?

biology


biology


According to emergent-norm theory, crowds are:

sociology


If phone numbers are ten digits long and can contain digits from zero through nine, what is the total number of potential phone numbers?

computer_science


Describe the hypothesized steps in the origin of eukaryote cells.

biology


What is included in the current account balance?

economics


Repeat your calculations for the preceding problem, given that the charge is distributed uniformly over the surface of a spherical conductor of radius 10.0 cm.

physics


Distinguish between for-profit and not-for-profit entities.

business


In the equation for the maximum height of a projectile, what doesv0yv0ystand for?h=v0y22gh=v0y22g

physics


Describe a health risk associated with sleeping practices and one way to prevent it.

psychology


[LO 3.5](3-5-use-journal-entries-to-record-transactions-and-post-to-t- accounts) Which of the following financial statements should be prepared first?    A. Balance Sheet   B. Income Statement   C. Retained Earnings Statement   D. Statement of Cash Flows

business


Uranium can be isolated from its ores by dissolving it as UO 2 (NO 3 ) 2 , then separating it as solid UO 2 (C 2 O 4 )·3H 2 O. Addition of 0.4031 g of sodium oxalate, Na 2 C 2 O 4 , to a solution containing 1.481 g of uranyl nitrate, UO 2 (NO 3 ) 2 , yields 1.073 g of solid UO 2 (C 2 O 4 )·3H 2 O.Na 2 C 2 O 4 \+ UO 2 (NO 3 ) 2 \+ 3H 2 O ⟶ UO 2 (C 2 O 4 )·3H 2 O + 2NaNO 3 Determine the limiting reactant and the percent yield of this reaction.

chemistry


What is the relationship between the intermolecular forces in a solid and its melting temperature?

chemistry


Which of these is not a characteristic of a wave?

physics


Given a bar magnet, a needle, a cork, and a bowl full of water, describe how to make a compass.

physics


Border ruffians helped to ________.    A. chase abolitionists out of Missouri   B. elect a proslavery legislature in Kansas   C. capture escaped enslaved people   D. disseminate abolitionist literature in Kansas

history


mathematics


An aluminum kettle weighs 1.05 kg. (a) What is the heat capacity of the kettle? (b) How much heat is required to increase the temperature of this kettle from 23.0 Â°C to 99.0 Â°C? (c) How much heat is required to heat this kettle from 23.0 Â°C to 99.0 Â°C if it contains 1.25 L of water (density of 0.997 g/mL and a specific heat of 4.184 J/g Â°C)?

chemistry


If a muscle cell of a typical organism has 32 chromosomes, how many chromosomes will be in a gamete of that same organism?

biology


Corporate culture comes from ________. the commitment of the companyâs employeesthe founderâs idea of what the work environment should be likegovernment regulations about labor relationsthe nature of the companyâs product or service

business


What is eudaimonia? How did Anscombe revive eudaimonism?

philosophy


The following are properties of isotopes of two elements that are essential in our diet. Determine the number of protons, neutrons and electrons in each and name them. (a) atomic number 26, mass number 58, charge of 2+ (b) atomic number 53, mass number 127, charge of 1−

chemistry


Consider our start-up company that is 100% committed to leveraging innovative technologies as a business growth facilitator. Describe how it can use machine learning to create software solutions that can operate autonomously. Are there any such solutions available today? Give some precise examples and explain how the start-up would be able to scale this approach.

computer_science


Explain what happens as a reaction starts with ÎG< 0 (negative) and reaches the point where ÎG= 0.

chemistry


If supply is elastic, will shifts in demand have a larger effect on equilibrium quantity or on price?

economics


_____ is a place of employment where the employee is required to join the union within a specified number of days after being hired.

business


How is the vector arrow representing an acceleration of magnitude 3 m/s2different from the vector arrow representing a negative acceleration of magnitude 3 m/s2?

physics


Why did it take astronomers until 1995 to discover the first exoplanet orbiting another star like the Sun?

astronomy


How did the Industrial Revolution increase the economic growth rate and income levels in the United States?

economics


Term limits have produced a statistically significant increase in the number of women serving in state legislatures. TrueFalse

political_science


Nordstromâs reputation was built upon its value proposition of superior service. The company has maintained a high level of service over the years. Research other retailers that have a similar service-oriented value proposition. It could be a car company, restaurant, clothing store, etc. In looking at the changing demographics, do you believe that this level of service will continue to be perceived as value? If not, what will take its place?

business


When an individual creates and promotes malicious falsehoods about another that individual may be liable for:    A. Libel.   B. Slander.   C. Defamation.   D. All of the above.

business


An older woman retires and completely changes her life. She is no longer raising children or working. However, she joins the YWCA to swim every day. She serves on the Friends of the Library board. She is part of a neighborhood group that plays Bunco on Saturday nights. Her situation most closely illustrates the ______ theory.    A. activity   B. continuity   C. disengagement   D. gerotranscendence

sociology


What is they-intercept and what is the slope? Interpret them using complete sentences.

mathematics


What two lines on a cost curve diagram intersect at the zero-profit point?

economics


[LO 9.2](9-2-account-for-uncollectible-accounts-using-the-balance-sheet-and- income-statement-approaches) Tines Commerce computes bad debt based on the allowance method. They determine their current year’s balance estimation to be a credit of $45,@. The previous period had a credit balance in Allowance for Doubtful Accounts of $12,@. What should be the reported figure in the adjusting entry for the current period?    A. $12,000   B. $45,000   C. $33,000   D. $57,000

business


Particles called \pi -mesons are produced by accelerator beams. If these particles travel at 2.70\ \times \ 10^{8}\text{m/s} and live 2.60\ \times \ 10^{-8}\text{s} when at rest relative to an observer, how long do they live as viewed in the laboratory?

physics


Are individual states allowed to have laws protecting LGBTQ applicant or employee rights?    A. Yes, but it is not really necessary because federal law already protects them.   B. No, because it would violate federal law, which prohibits it.   C. Yes, some states extend this protection because there is no law at the federal level.   D. No, because the Supreme Court ruling in _Obergefell v. Hodges_ now protects these rights.

business


Which of the following statements isnottrue?

sociology


mathematics


What is an example that demonstrates the importance of clearly defining business problems and user requirements at the start of a systems development project?

computer_science


The most common type of mirage is an illusion that light from faraway objects is reflected by a pool of water that is not really there. Mirages are generally observed in deserts, when there is a hot layer of air near the ground. Given that the refractive index of air is lower for air at higher temperatures, explain how mirages can be formed.

physics


What goods and services would you include in an estimate of the basic necessities for a family of four?

economics


Find the unit tangent vector, the unit normal vector, and the binormal vector forr(t)=2costi+3tj+2sintk.r(t)=2costi+3tj+2sintk.

mathematics


What does research recommend about the way children, regardless of individual or group differences, should be supported in motor behavior?

psychology


A nurse is assessing a client diagnosed with hyperparathyroidism. Which findings should the nurse expect to find?

nursing


Which of the following isnottrue in regard to crossover?

biology


biology


A commuter train blows its 200-Hz horn as it approaches a crossing. The speed of sound is 335 m/s. (a) An observer waiting at the crossing receives a frequency of 208 Hz. What is the speed of the train? (b) What frequency does the observer receive as the train moves away?

physics


Who won the popular vote in the election of 1824?    A. Andrew Jackson   B. Martin Van Buren   C. Henry Clay   D. John Quincy Adams

history


Rationalize the denominator of622, and simplify the fraction.

mathematics


LO10.2Seda Sarkisian makes wedding cakes from her home. A customer has requested two duplicate wedding cakes: one for the wedding and one to be frozen for their anniversary. The couple has offered $400 for both cakes instead of $500 ($250 each). The cost information to make one cake is shown. What is the cost for the first cake?What cost would not be included in the second cake?What is the cost of the second cake?What would be the total cost of this order if the offer was accepted?How much profit will Seda be recording for this special order?If your company policy is to always have a 15% profit on all order, would you still accept this order?If you would not accept the order, what price would you negotiate?

business


Where do you get your news? Is it owned by a large conglomerate (you can do a web search and find out!)? Does it matter to you who owns your local news outlets? Why, or why not?

sociology


What is the difference between strong AI and weak AI?

philosophy


A chemist dissolves a 1.497-g sample of a type of metal (an alloy of Sn, Pb, Sb, and Cu) in nitric acid, and metastannic acid, H 2 SnO 3 , is precipitated. She heats the precipitate to drive off the water, which leaves 0.4909 g of tin(IV) oxide. What was the percentage of tin in the original sample?

chemistry


A bright white light under water is collimated and directed upon a prism. What range of colors does one see emerging?

physics


Which of the following is NOT a projective test?

psychology


Professional Application (a) A 5.00-kg squid initially at rest ejects 0.250-kg of fluid with a velocity of 10.0 m/s. What is the recoil velocity of the squid if the ejection is done in 0.100 s and there is a 5.00-N frictional force opposing the squid’s movement. (b) How much energy is lost to work done against friction?

physics


Graph the function f(x) = 5(0.5)^{- x} and its reflection across the _y_ -axis on the same axes, and give the _y_ -intercept.

mathematics


mathematics


What is the formula for the wage elasticity of labor supply?

economics


What was the lasting impact of the Bucktail Republican Party in New York? They implemented universal suffrage.They pushed for the expansion of the canal system.They elevated Martin Van Buren to the national political stage.They changed state election laws from an appointee system to a system of open elections.

history


Conversations with astronauts on lunar walks had an echo that was used to estimate the distance to the Moon. The sound spoken by the person on Earth was transformed into a radio signal sent to the Moon, and transformed back into sound on a speaker inside the astronaut’s space suit. This sound was picked up by the microphone in the space suit (intended for the astronaut’s voice) and sent back to Earth as a radio echo of sorts. If the round-trip time was 2.60 s, what was the approximate distance to the Moon, neglecting any delays in the electronics?

physics


For functions   f(x) = 2x^{3} + 5 and   g(x) = 3x^{2} - 7, find   ⓐ \left( {f \circ g} \right)(-1)   ⓑ \left( {g \circ f} \right)(-2)   ⓒ \left( {g \circ g} \right)(1)

mathematics


Letâs think about the market for air travel. From August 2014 to January 2015, the price of jet fuel increased roughly 47%. Using the four-step analysis, how do you think this fuel price increase affected the equilibrium price and quantity of air travel?

economics


Play in early childhood primarily promotes what aspect(s) of development?

psychology


What indicates an optimal dosage of acetylcholinesterase (AChE) inhibitors for clients with myasthenia gravis?

nursing


What is the mean, standard deviation, and sample size?

mathematics


Race car drivers routinely cut corners, as shown below (Path 2). Explain how this allows the curve to be taken at the greatest speed.

physics


What are some examples of cultural lag that are present in your life? What influence does technology have on culture? Explain.

sociology


Imagine you are a school guidance counselor working with a group of teachers who are concerned about a student displaying both internalizing and externalizing behaviors. The teachers are unsure how to approach this student to support their mental health and promote resilience. Write a letter to the teachers outlining specific strategies they can use to address these behaviors, and explain how these strategies can help improve the studentâs socioemotional well-being.

psychology


According to ________ theory, international relations has traditionally focused on âhard policyâ issues, such as conflict and security, and has relegated to second-class status issues related to development and access to social programs.

political_science


Which hormone does the kidney produce that stimulates red blood cell production?

biology


Explain the difference between React and Node.

computer_science


Does light change direction toward or away from the normal when it goes from air to water? Explain.

physics


A rise in blood glucose levels triggers release of insulin from the pancreas. This mechanism of hormone production is stimulated by:

biology


Describe the form of a blackbody radiation curve if all frequencies of light were emitted with equal probability.

physics


\left( {m + 3} \right)\left( {7m - 2} \right)

mathematics


Which types of companies must register with the SEC?    A. Companies with over 500 or more owners.   B. Companies with total assets of $10 million.   C. Companies with total assets exceeding $10 million and with 500 or more owners.   D. None of the above.

business


The use of microbes to remove pollutants from a contaminated system is called ________.

biology


\cos\left( {-x} \right)\sin\; x\;\cot\; x + \sin^{2}x

mathematics


Is public opinion generally clear, providing broad signals to elected leaders about what needs to be done? Why or why not?

political_science


The conductor in the preceding figure has an excess charge of –5.0\ µ\text{C} . If a 2.0\text{-}µ\text{C} point charge is placed in the cavity, what is the net charge on the surface of the cavity and on the outer surface of the conductor?

physics


History is filled with unintended consequences. How do the British governmentâs attempts to control and regulate the colonies during this tumultuous era provide a case in point? How did the aims of the British measure up against the results of their actions?

history


What is the function of law in the United States?

business


How could the pineal gland, the brain structure that plays a role in annual cycles, use visual information from the suprachiasmatic nucleus of the hypothalamus?

biology


mathematics


Jacksonâs Beef Jerky Shop has a current ratio of 2.35. What does that mean? Is 2.35 a good or bad current ratio?

business


Convert the Hindu-Arabic numeral 394 to a Roman numeral.

mathematics


According toTable 19.7, how long has the average expansion lasted since the end of World War II?

economics


Which of the following best describes a type of sex difference in brain circuits?

psychology


Why is electron capture accompanied by the emission of an X-ray?

chemistry


Can an image be larger than the object even though its magnification is negative? Explain.

physics


Name at least three reasons to study anatomy and physiology.

biology


Identify two cross-cultural differences in how adults evaluate their life satisfaction.

psychology


What base system did the Babylonians use?

mathematics


When ventilation is not sufficient, which of the following occurs?

biology


A long solenoid of radius a with n turns per unit length is carrying a time- dependent current I(t) = I_{0}\ \text{sin}\ \omega t where I_{0} and \omega are constants. The solenoid is surrounded by a wire of resistance _R_ that has two circular loops of radius _b_ with b > a . Find the magnitude and direction of current induced in the outer loops at time t = 0 .

physics


Suppose that you are buying a house. You and your realtor have determined that the most expensive house you can afford is the 34thpercentile. The 34thpercentile of housing prices is $240,000 in the town you want to move to. In this town, can you afford 34% of the houses or 66% of the houses?

mathematics


Can objects in a system have momentum while the momentum of the system is zero? Explain your answer.

physics


A conglomerate is a corporation that ________.    A. owns all television news stations in a state   B. owns many businesses and media networks   C. owns only radio stations   D. owns only televisions and newspapers

political_science


What did the decision in _Shlensky v. Wrigley_ (1968) establish in ethical terms? How does it compare to the decision in _Dodge v. Ford Motor Company_ (1919)?

business


In what region of space is the potential due to a uniformly charged sphere the same as that of a point charge? In what region does it differ from that of a point charge?

physics


biology


How many grams of Epsom salts (MgSO4â7H2O) will form from 5.0 kg of magnesium?

chemistry


What three factors did Malthus believe would limit human population?

sociology


A nurse is evaluating a client for treatment of their opioid use disorder. They have a history of intravenous use of agents such as oxycodone and heroin. Which medication is the prescriber most likely to order to deter intravenous abuse of the medication?

nursing


The government is choosing the best hospital in the United States based on data such as how many patients they have, their mortality rates, and overall quality of care. They want to collect this data accurately and fairly to improve the country's health care. a.What is the best way to collect this data? Can we use web scraping to gather data from hospital websites? Can we also use social media data collection to gather patient reviews and feedback about the hospitals? b.How can we ensure the data is unbiased and accurate? Can we use a mix of these methods to create a comprehensive analysis?

computer_science


Find the probability that Javier volunteers for less than three events each month.P(x< 3) = _______

mathematics


What is a characteristic of autobiographical memories?

psychology


mathematics


computer_science


What are the Sum of Squares and Mean Squares Errors?

mathematics


Which of the following is the best example of a solidary benefit?

political_science


Why are sharp knives more effective than dull knives? (Hint: Think about the definition of pressure.)

chemistry


Which function of the skeletal system would be especially important if you were in a car accident?

biology


Why might banks want to hold excess reserves in time of recession?

economics


LO11.2What is the payback method used to determine?

business


What is one of the major criticisms of the Social Readjustment Rating Scale?

psychology


What is the primary purpose of the Clinical Institute Withdrawal Assessment for Alcohol-Revised (CIWA-Ar) assessment instrument?

nursing


When you stand on Earth, your feet push against it with a force equal to your weight. Why doesn’t Earth accelerate away from you?

physics


SupposeX~N(9, 5). What value ofxhas az-score of â0.5?

mathematics


What is the energy of a photon first used to do in photosynthesis?

biology


psychology


States can levy a sales tax on items sold online to a customer in a different state if ________. the business has a nexus with that statethere is a contract between the business and the state comptrollerthe items sold are over $300the business is one that only sells foreign-made items

business


The first law of thermodynamics helps us understand the relationships among which three quantities?

physics


Draw the crystal field diagrams for [Fe(NO2)6]4âand [FeF6]3â. State whether each complex is high spin or low spin, paramagnetic or diamagnetic, and compare Îoctto P for each complex.

chemistry


The concept that people choose to move to places that are compatible with their personalities and needs is known as ________.

psychology


[LO 8.5](8-5-discuss-management-responsibilities-for-maintaining-internal- controls-within-an-organization) Which of the following is true about the Sarbanes-Oxley Act?    A. It was passed to ensure that internal controls are properly documented and tested by public companies.   B. It applies to both public and smaller companies.   C. It requires all companies to report their internal control policies to the US Securities and Exchange Commission.   D. It does not require additional costs or resources to have adequate controls.

business


What are the two principal differences between nuclear reactions and ordinary chemical changes?

chemistry


What length track does a \pi^{+}{} traveling at 0.100 _c_ leave in a bubble chamber if it is created there and lives for 2\text{.}{\text{60} \times \text{10}^{- 8}}\ \text{s} ? (Those moving faster or living longer may escape the detector before decaying.)

physics


The color of urine is determined mainly by ________.

biology


NaH crystallizes with the same crystal structure as NaCl. The edge length of the cubic unit cell of NaH is 4.880 Ã. (a) Calculate the ionic radius of Hâ. (The ionic radius of Li+is 0.0.95 Ã.) (b) Calculate the density of NaH.

chemistry


Discuss the similarities and differences between the gravitational field of a point mass _m_ and the electric field of a point charge _q_ .

physics


When sociologists think about technology as an agent of social change, which of the following is _not_ an example?    A. Population growth   B. Medical advances   C. The Internet   D. Genetically engineered food

sociology


A physicist is designing a cyclotron to accelerate protons to one-tenth the speed of light. The magnetic field will have a strength of 1.5 T. Determine (a) the rotational period of the circulating protons and (b) the maximum radius of the protons’ orbit.

physics


Is determinism compatible with moral culpability? Why or why not?

philosophy


A beam of light passes through a single slit to create a diffraction pattern. How will the spacing of the bands in the pattern change if the width of the slit is increased?

physics


What does group participation provide to citizens?

political_science


mathematics


What are a bank's assets? What are its liabilities?

economics


If a country is running a government budget surplus, why is (T – G) on the left side of the saving-investment identity?

economics


Figure 20.2shows a reddish glow around the star Antares, and yet the caption says that is a dust cloud. What observations would you make to determine whether the red glow is actually produced by dust or whether it is produced by an H II region?

astronomy


Consider our startup company committed to leveraging innovative technologies as a business growth facilitator. Describe how it can best use hybrid HLLs to implement products or services in a business context. Give precise examples and explain how the startup would be able to scale the approach and save costs while keeping its customers happy.

computer_science


Define the velocity of the money supply.

economics


At the 10% significance level, are the scores among the different groups different?

mathematics


Toluene, C 6 H 5 CH 3 , is oxidized by air under carefully controlled conditions to benzoic acid, C 6 H 5 CO 2 H, which is used to prepare the food preservative sodium benzoate, C 6 H 5 CO 2 Na. What is the percent yield of a reaction that converts 1.000 kg of toluene to 1.21 kg of benzoic acid? 2\text{C}_{6}\text{H}_{5}\text{CH}_{3} + 3\text{O}_{2}\ \longrightarrow\ 2\text{C}_{6}\text{H}_{5}\text{CO}_{2}\text{H} + 2\text{H}_{2}\text{O}

chemistry


The preferential responsiveness of a V1 neuron to input from one eye over the other is known as:

psychology


According to the Centers for Disease Control (CDC), how much moderate to vigorous physical activity should school-aged children get each day?

psychology


John C. Calhoun argued for greater rights for southerners with which idea? polygenismnullificationconcurrent majoritypaternalism

history


The doctrine aimed at dividing the governing powers between the federal governments and the states is:

business


An accelerator accelerates He nuclei (charge = 2e) to a speed ofv= 2 Ã 106m/s. What is the current if the linear density of He nuclei isÎ»= 108mâ1?

physics


The three levels of analysis in IPE are ________.

political_science


Three of the same species of plant are each grown under a different colored light for the same amount of time. Plant A is grown under blue light, Plant B is grown under green light, and Plant C is grown under orange light. Assuming the plants use only chlorophyllaand chlorophyllbfor photosynthesis, what would be the predicted order of the plants from most growth to least growth?

biology


In which circumstance would the courts find libel?    A. A reporter uses a source that incorrectly states a celebrity is using drugs.   B. A columnist writes his opinion about whether an actor is hiding a drug problem.   C. A television reporter delivers a story about increased drug use at the local college.   D. A reporter writes that local college students are drug dealers but has no sources.

political_science


Classify each of the following changes as physical or chemical: (a) coal burning (b) ice melting (c) mixing chocolate syrup with milk (d) explosion of a firecracker (e) magnetizing of a screwdriver

chemistry


A case will be placed on the Courtâs docket when ________ justices agree to do so.

political_science


Graph the situation. Label and scale the horizontal axis. Mark the mean and test statistic. Shade in the region corresponding to thep-value. Figure11.15

mathematics


political_science


As a new kindergarten teacher, you have a classroom full of children between five and six years of age. What similarities or difference ranges should you expect from the children's cognitive milestones?

psychology


The anthropic principle suggests that in some sense we are observing a special kind of universe; if the universe were different, we could never have come to exist. Comment on how this fits with the Copernican tradition described inExercise 29.19.

astronomy


Which of the following tasks would be most impacted by temporarily disrupting activity in the monkey superior colliculus?

psychology


mathematics


You can use the quotient rule to evaluate \underset{x\rightarrow 0}{\text{lim}}\frac{\text{sin}\mspace{2mu} x}{x}.

mathematics


Suppose the Milky Way was a band of light extending only halfway around the sky (that is, in a semicircle). What, then, would you conclude about the Sunâs location in the Galaxy? Give your reasoning.

astronomy


Imagine you are designing a language enrichment program for children in early childhood. Based on your knowledge and personal experiences, what activities would you include to promote language development? How would you ensure these activities cater to different types of learners, including those who are hearing impaired or have other diverse needs?

psychology


Why was prohibitionâs success short-lived?

history


If a hydrogen atom has its electron in the n = 4 state, how much energy in eV is needed to ionize it?

physics


How many countries have adopted the United Nations Convention on Contracts for the International Sale of Goods (CISG)?

business


Write Lewis structures for the following: (a) SeF6 (b) XeF4 (c)SeCl3+SeCl3+ (d) Cl2BBCl2(contains a BâB bond)

chemistry


A newly developed pesticide has been observed to bind to an intracellular hormone receptor. If ingested, residue from this pesticide could disrupt levels of ________.

biology


(a) What is the intensity in watts per meter squared of a just barely audible 200-Hz sound? (b) What is the intensity in watts per meter squared of a barely audible 4000-Hz sound?

physics


Describe how hormones regulate digestion.

biology


Do neoclassical economists tend to focus more on cyclical unemployment or on inflation? Explain briefly.

economics


Two angles are complementary. The smaller angle is \text{24°} less than the larger angle. Find the measures of both angles.

mathematics


Design a current loop that, when rotated in a uniform magnetic field of strength 0.10 T, will produce an emf \varepsilon = \varepsilon_{0}\ \text{sin}\ \omega t, where \varepsilon_{0} = 110\ \text{V} and \omega = 120\pi\ \text{rad/s}\text{.}

physics


What âselfâ pattern is identified by NK cells?

biology


Under the accrual basis of accounting, when is an expense recorded?

business


Perform these calculations for nickel(II) carbonate. (a) With what volume of water must a precipitate containing NiCO3be washed to dissolve 0.100 g of this compound? Assume that the wash water becomes saturated with NiCO3(Ksp= 1.36ÃÃ10â7). (b) If the NiCO3were a contaminant in a sample of CoCO3(Ksp= 1.0ÃÃ10â12), what mass of CoCO3would have been lost? Keep in mind that both NiCO3and CoCO3dissolve in the same solution.

chemistry


(a) If frequency is not constant for some oscillation, can the oscillation be simple harmonic motion? (b) Can you think of any examples of harmonic motion where the frequency may depend on the amplitude?

physics


How would simple harmonic motion be different in the absence of friction?

physics


If you were to compare three stars with the same surface temperature, with one star being a giant, another a supergiant, and the third a main-sequence star, how would their radii compare to one another?

astronomy


A wave traveling on a Slinky® that is stretched to 4 m takes 2.4 s to travel the length of the Slinky and back again. (a) What is the speed of the wave? (b) Using the same Slinky stretched to the same length, a standing wave is created which consists of three antinodes and four nodes. At what frequency must the Slinky be oscillating?

physics


The goals of U.S. foreign policy include ________. keeping the country safesecuring access to foreign marketsprotecting human rightsall the above

political_science


Using [Table 15.4](15-7-statistical-interpretation-of-entropy-and-the-second- law-of-thermodynamics-the-underlying-explanation) , verify the contention that if you toss 100 coins each second, you can expect to get 100 heads or 100 tails once in 2\times\text{10}^{\text{22}} years; calculate the time to two- digit accuracy.

physics


When evaluating animal models of human disease, ________ refers to whether the observable behavioral outcome is similar to human symptoms.

psychology


Explain how the two postulates of Einsteinâs theory of special relativity, when taken together, could lead to a situation that seems to contradict the mechanics and laws of motion as described by Newton.

physics


What is one future challenge that may require reevaluation of existing regulations and the creation of new guidelines or regulations for web and IoT technology?

computer_science


Dry air consists of approximately 78\text{\%}\ \text{nitrogen},21\text{\%}\ \text{oxygen},\text{and}\ 1\text{\%}\ \text{argon} by mole, with trace amounts of other gases. A tank of compressed dry air has a volume of 1.76 cubic feet at a gauge pressure of 2200 pounds per square inch and a temperature of 293 K. How much oxygen does it contain in moles?

physics


LO4.1Chocoâs Chocolates incurs these costs for the month: What is the conversion cost?

business


The length and width of a rectangular room are measured to be 3\text{.}{\text{955} \pm 0}\text{.}\text{005}\ \text{m} and 3\text{.}{\text{050} \pm 0}\text{.}\text{005}\ \text{m} . Calculate the area of the room and its uncertainty in square meters.

physics


Use the Venn diagram below to describe the relationship between the sets, symbolically and in words:

mathematics


mathematics


Review [Figure 3.4](3-1-demand-supply-and-equilibrium-in-markets-for-goods- and-services) . Suppose the price of gasoline is $1.60 per gallon. Is the quantity demanded higher or lower than at the equilibrium price of $1.40 per gallon? What about the quantity supplied? Is there a shortage or a surplus in the market? If so, how much?

economics


How do you convert a series of nominal economic data over time to real terms?

economics


physics


Which of the following is not a regional IGO?

political_science


How does a monetary policy of inflation target work?

economics


It is unlikely that a process can be isothermal unless it is a very slow process. Explain why. Is the same true for isobaric and isochoric processes? Explain your answer.

physics


(a) What is the maximum frictional force in the knee joint of a person who supports 66.0 kg of her mass on that knee? (b) During strenuous exercise, it is possible to exert forces to the joints that are easily 10 times greater than the weight being supported. What is the maximum force of friction under such conditions? The frictional forces in joints are relatively small in all circumstances except when the joints deteriorate, such as from injury or arthritis. Increased frictional forces can cause further damage and pain.

physics


A measurement is considered ________ if it actually measures what it is intended to measure, according to the topic of the study.

sociology


To make a banana split, you halve a banana into two long, thin, right and left sides along the ________.

biology


The nurse is working with a client who has diverticulitis and has been prescribed ciprofloxacin. Which food should this client avoid while taking this medication?

nursing


When considering the issue of work-life balance, which of the following points does not apply?    A. Each employee probably assesses this differently.   B. Managers and workers as cohorts often have different perspectives on it.   C. Workers with families at home should be entitled to a “better” balance.   D. All employees have a right to pursue this.

business


When should the nurse perform a bladder scan to determine a clientâs PVR?

nursing


The justices of the Supreme Court are ________.    A. elected by citizens   B. chosen by the Congress   C. confirmed by the president   D. nominated by the president and confirmed by the Senate

political_science


Shown below are the results of an experiment where four devices were connected across a variable voltage source. The voltage is increased and the current is measured. Which device, if any, is an ohmic device?

physics


How much per month must be paid into an ordinary annuity so its future value is $150,000 after 10 years if the annuity earns 3.85% interest compounded monthly?

mathematics


What doesIstand for in the equationÎ²(dB)=10log10â¡(II0)? What is its unit?

physics


Many Arab Americans face _______________, especially after 9/11.

sociology


The Pony Parts Tack Shop had total asset turnover of 1.8., 2.1, and 2.4 over the last three years, respectively. What can you learn about how well the Pony Parts management team is managing their total assets using this information?

business


Which action will the nurse take when administering a subcutaneous enoxaparin injection?

nursing


A major textile dye manufacturer developed a new yellow dye. The dye has a percent composition of 75.95% C, 17.72% N, and 6.33% H by mass with a molar mass of about 240 g/mol. Determine the molecular formula of the dye.

chemistry


List some of the risk factors associated with the development of PTSD following a traumatic event.

psychology


One way consumers evaluate alternatives is by identifying the âbundle of attributesâ of a product or service. Assume that youâre in the market for a new smartphone. What would that bundle of attributes look like? In other words, what attributes do you consider important, and how would you rank the importance of these features on a scale of 1 to 5, with 5 being the attribute of greatest importance and 1 being the attribute of lowest importance? Some attributes are already listed, but you can add your own attributes as well. CompleteTable 3.2with your rankings.AttributesConsideredImportance ofAttributeStorageBattery LifeProcessingPriceEase of UseDurabilityCamera QualityTable3.2The Bundle of Attributes

business


A positive-strand RNA virus:    A. must first be converted to a mRNA before it can be translated.   B. can be used directly to translate viral proteins.   C. will be degraded by host enzymes.   D. is not recognized by host ribosomes.

biology


mathematics


During an encounter judged as stressful, cortisol is released by the ________.

psychology


(a) Common transparent tape becomes charged when pulled from a dispenser. If one piece is placed above another, the repulsive force can be great enough to support the top piece’s weight. Assuming equal point charges (only an approximation), calculate the magnitude of the charge if electrostatic force is great enough to support the weight of a 10.0 mg piece of tape held 1.00 cm above another. (b) Discuss whether the magnitude of this charge is consistent with what is typical of static electricity.

physics


What are the formulas for the three steps in the proton-proton chain?

astronomy


Match the correct molecule with its description:  ___tRNA   ___rRNA   ___mRNA | A. is a major component of ribosome   B. is a copy of the information in a gene   C. carries an amino acid to the ribosome   ---|---

biology


Which of the following didnotcontribute to Lincolnâs victory in the election of 1860? the split between northern and southern Democratsthe defeat of the Whig partyLincolnâs improved national standing after his senatorial debates with Stephen Douglasthe Constitutional Union partyâs further splintering the vote

history


business


What is the rotational analog of distance?

physics


What factor offers the cloud environment flexibility, utilization of system resources, scalability, and a cost factor that is scalable?

computer_science


What is the current state of patterns management today and are there exhaustive sources of patterns that can be easily consulted? Why or why not?

computer_science


A student solved the following problem and found [N2O4] = 0.16Mat equilibrium. How could this student recognize that the answer was wrong without reworking the problem? The problem was: What is the equilibrium concentration of N2O4in a mixture formed from a sample of NO2with a concentration of 0.10M? 2NO2(g)âN2O4(g)Kc=1602NO2(g)âN2O4(g)Kc=160

chemistry


Freeze-dried foods have been dehydrated in a vacuum. During the process, the food freezes and must be heated to facilitate dehydration. Explain both how the vacuum speeds up dehydration and why the food freezes as a result.

physics


biology


Who is responsible for obtaining informed consent from individuals or companies before collecting their data?

computer_science


The new protest tactic against segregation used by students in Greensboro, North Carolina, in 1960 was the ________.    A. boycott   B. guerilla theater   C. teach-in   D. sit-in

history


How does attachment differ from bonding in children?

psychology


Can you think of a product you or someone you know adopted early only to watch it fall into the diffusion chasm between early adopters and early majority adopters? What was that product, and why do you think it failed to make it across that gap?

business


A high school teacher is teaching students about memory skills. What area of study within developmental psychology is this?

psychology


Review the items on the Social Readjustment Rating Scale. Select one of the items and discuss how it might bring about distress and eustress.

psychology


What group created the Millennium Development Goals?

sociology


The nurse is caring for a client with newly diagnosed atrial fibrillation. Which food should the nurse educate the client to avoid?

nursing


âControlâ as used in this section does not refer to which of the following? reverencephrÃ³nÄsistemperanceConfucian self-regulation

business


A square bar of mass _m_ and resistance _R_ is sliding without friction down very long, parallel conducting rails of negligible resistance (see below). The two rails are a distance _l_ apart and are connected to each other at the bottom of the incline by a zero-resistance wire. The rails are inclined at an angle \theta , and there is a uniform vertical magnetic field \mathbf{\overset{\rightarrow}{B}} throughout the region. (a) Show that the bar acquires a terminal velocity given by v = \frac{mgR\ \text{sin}\ \theta}{B^{2}l^{2}\text{cos}^{2}\theta}. (b) Calculate the work per unit time done by the force of gravity. (c) Compare this with the power dissipated in the Joule heating of the bar. (d) What would happen if \mathbf{\overset{\rightarrow}{B}} were reversed?

physics


The dielectric to be used in a parallel-plate capacitor has a dielectric constant of 3.60 and a dielectric strength of 1.60\ \times \ 10^{7}\ {\text{V}\text{/}\text{m}} . The capacitor has to have a capacitance of 1.25 nF and must be able to withstand a maximum potential difference 5.5 kV. What is the minimum area the plates of the capacitor may have?

physics


People who do very detailed work close up, such as jewelers, often can see objects clearly at much closer distance than the normal 25 cm. (a) What is the power of the eyes of a woman who can see an object clearly at a distance of only 8.00 cm? (b) What is the image size of a 1.00-mm object, such as lettering inside a ring, held at this distance? (c) What would the size of the image be if the object were held at the normal 25.0 cm distance?

physics


In an autoclave, the application of pressure to ________ is increased to allow the steam to achieve temperatures above the boiling point of water.

biology


A  single long table can seat 8 people, 3 on each side and 1 on each end. If a second table is added to the first, end to end, then 14 people can sit at the table, 6 per side and 1 at each end. Adding another table adds another 6 people. How many people can sit at a table made by placing 10 of these tables end to end?

mathematics


What are the major factors that affect education systems throughout the world?    A. Resources and money   B. Student interest   C. Teacher interest   D. Transportation

sociology


A(n) ________ neuron has one axon and one dendrite extending directly from the cell body.

biology


(a) What visible wavelength has its fourth-order maximum at an angle of 25.0\text{°} when projected on a 25,000-line per centimeter diffraction grating? (b) What is unreasonable about this result? (c) Which assumptions are unreasonable or inconsistent?

physics


mathematics


In some countries, liquid nitrogen is used on dairy trucks instead of mechanical refrigerators. A 3.00-hour delivery trip requires 200 L of liquid nitrogen, which has a density of \text{808}\text{~kg/m}^{3} .(a) Calculate the heat transfer necessary to evaporate this amount of liquid nitrogen and raise its temperature to 3\text{.}\text{00º}\text{C} . (Use c_{p} and assume it is constant over the temperature range.) This value is the amount of cooling the liquid nitrogen supplies.(b) What is this heat transfer rate in kilowatt- hours? (c) Compare the amount of cooling obtained from melting an identical mass of 0º\text{C} ice with that from evaporating the liquid nitrogen.

physics


Calculate the equilibrium concentration of Cu2+in a solution initially with 0.050MCu2+and 1.00MNH3.

chemistry


Solve the formula 4x + 3y = 6 for _y_   ⓐ when x = -2   ⓑ in general

mathematics


The pH of a 0.23-Msolution of HF is 1.92. DetermineKafor HF from these data.

chemistry


The diameter of a red blood cell is about 3 \times 10 −4 in. What is its diameter in centimeters?

chemistry


Tectonic plates are large segments of Earth’s crust that move slowly. Suppose one such plate has an average speed of 4.0 cm/yr. (a) What distance does it move in 1.0 s at this speed? (b) What is its speed in kilometers per million years?

physics


Antibiotics are medicines that are used to fight bacterial infections. These medicines kill prokaryotic cells without harming human cells. What part or parts of the bacterial cell do you think antibiotics target? Why?

biology


LO8.1What elements require consideration before establishing an overhead standard?

business


Protists that have a pellicle are surrounded by ______________.

biology


The first level of DNA organization in a eukaryotic cell is maintained by which molecule?

biology


The largest observatory complex in the world is on Maunakea, the tallest mountain on Earth. What are some factors astronomers consider when selecting an observatory site? Donât forget practical ones. Should astronomers, for example, consider building an observatory on Denali (Mount McKinley) or Mount Everest?

astronomy


When the boat reaches the shore, two ropes are thrown to people to help pull the boat ashore. One rope is at an angle of 25\text{°} and the other is at 35\text{°}. If the boat must be pulled straight and at a force of 500\text{N}, find the magnitude of force for each rope (see the following figure).

mathematics


Many popular-press articles claim that growth investing is âclearly betterâ than value investing or that value investing is âdead.â How would you respond to proponents of growth investing after observing Figure 12.15?

business


What is the possible number of nodes and antinodes along one full wavelength of a standing wave?

physics


Postpartum changes to the body of the person who has given birth can result in what changes to feet?

psychology


Determine the mass of each of the following: (a) 2.345 mol LiCl (b) 0.0872 mol acetylene, C 2 H 2 (c) 3.3 \times 10 −2 mol Na 2 CO 3 (d) 1.23 \times 10 3 mol fructose, C 6 H 12 O 6 (e) 0.5758 mol FeSO 4 (H 2 O) 7

chemistry


Explain how waterâs entropy can decrease when it freezes without violating the second law of thermodynamics. Specifically, explain what happens to the entropy of its surroundings.

physics


The parent of a school-age client asks the nurse, âWhat is the difference between acetaminophen and Tylenol? Acetaminophen is much cheaper than Tylenol at the pharmacy. Your instructions state that my child should take 160 mg of Tylenol every 6 hours for fever if needed.â What is the nurseâsbestresponse?

nursing


A car traveling at 10 m/s is traveling at twice the velocity 10 s later. If you made a velocity graph of this motion, what information would be obtained from the area under the graph?

physics


Fill in the blank with a single chemical formula for a covalent compound that will balance the equation:

chemistry


The probability of fusion occurring is greatly enhanced when appropriate nuclei are brought close together, but mutual Coulomb repulsion must be overcome. This can be done using the kinetic energy of high-temperature gas ions or by accelerating the nuclei toward one another. (a) Calculate the potential energy of two singly charged nuclei separated by 1.00\ \times \ 10^{-12}\ \text{m}\text{.} (b) At what temperature will atoms of a gas have an average kinetic energy equal to this needed electrical potential energy?

physics


LO9.4What is an earnings management benefit from showing a reduced figure for bad debt expense?

business


The speed limit on some interstate highways is roughly 100 km/h. (a) What is this in meters per second? (b) How many miles per hour is this?

physics


Which of the following nuclei lie within the band of stability shown inFigure 21.2? (a) argon-40 (b) oxygen-16 (c)122Ba (d)58Ni (e)205Tl (f)210Tl (g)226Ra (h) magnesium-24

chemistry


The blades of a wind turbine are 30 m in length and rotate at a maximum rotation rate of 20 rev/min. (a) If the blades are 6000 kg each and the rotor assembly has three blades, calculate the angular momentum of the turbine at this rotation rate. (b) What is the torque require to rotate the blades up to the maximum rotation rate in 5 minutes?

physics


Neon and HF have approximately the same molecular masses. (a) Explain why the boiling points of Neon and HF differ. (b) Compare the change in the boiling points of Ne, Ar, Kr, and Xe with the change of the boiling points of HF, HCl, HBr, and HI, and explain the difference between the changes with increasing atomic or molecular mass.

chemistry


Cognitive dissonance causes discomfort because it disrupts our sense of ________.

psychology


Why do courts usually seat seven to nine jurors rather than six or twelve in most patent cases?    A. You need an odd number of jurors to break a tie vote on the verdict.   B. Six jurors won’t be enough for a legal verdict if one is excused during trial, and twelve jurors will likely take too long to decide the case.

business


In the nuclear industry, chlorine trifluoride is used to prepare uranium hexafluoride, a volatile compound of uranium used in the separation of uranium isotopes. Chlorine trifluoride is prepared by the reaction \text{Cl}_{2}(g) + \text{3F}_{2}(g)\ \longrightarrow\ \text{2ClF}_{3}(g). Write the equation that relates the rate expressions for this reaction in terms of the disappearance of Cl 2 and F 2 and the formation of ClF 3 .

chemistry


If two tugboats pull on a disabled vessel, as shown here in an overhead view, the disabled vessel will be pulled along the direction indicated by the result of the exerted forces. (a) Draw a free-body diagram for the vessel. Assume no friction or drag forces affect the vessel. (b) Did you include all forces in the overhead view in your free-body diagram? Why or why not?

physics


A nurse is explaining administration instructions for a client who is starting alirocumab, a PCSK9 inhibitor. Which statement will the nurse include in the instructions?

nursing


Several companies come to mind when we think about great integrated marketing communications; Target and Gap are two of those. Consider other companies that have campaigns that you recognize in any form of marketing that truly stand out. What makes them memorable?

business


LO13.1What is the value of triple bottom line reporting to users? What is the cost to the company to provide this extra information?

business


Discuss how market research can benefit entrepreneurs.

business


In budgeting, what is the difference between an expense that is a need and an expense that is a want?

mathematics


Do you think there is any harmonic motion in the physical world that is not damped harmonic motion? Try to make a list of five examples of undamped harmonic motion and damped harmonic motion. Which list was easier to make?

physics


Which type of planets have the most moons? Where did these moons likely originate?

astronomy


What does the World Intellectual Property Organization (WIPO) primarily do?

computer_science


The nurse is caring for an older adult client and recognizes which musculoskeletal manifestation is most likely to benefit from increasing leucine consumption?

nursing


A 35-kg child rides a relatively massless sled down a hill and then coasts along the flat section at the bottom, where a second 35-kg child jumps on the sled as it passes by her. If the speed of the sled is 3.5 m/s before the second child jumps on, what is its speed after she jumps on?

physics


What is the effect of prosocial modeling and antisocial modeling?

psychology


mathematics


LO3.4Explain what a sales mix is and how changes in the sales mix affect the break-even point.

business


Rb is a negative regulator that blocks the cell cycle at the G1checkpoint until the cell achieves a requisite size. What molecular mechanism does Rb employ to halt the cell cycle?

biology


What was the reason for the breakdown in friendly relations between the United States and the Soviet Union after World War II? What were the results of this conflict?

history


[LO 12.1](12-1-identify-and-describe-current-liabilities) What is the difference between a noncurrent liability and a current liability?

business


Penzias and Wilsonâs discovery of the Cosmic Microwave Background (CMB) is a nice example of scientificserendipityâsomething that is found by chance but turns out to have a positive outcome. What were they looking for and what did they discover?

astronomy


Describe the philosophy of Manifest Destiny. What effect did it have on Americansâ westward migration? How might the different groups that migrated have sought to apply this philosophy to their individual circumstances?

history


What is the composition of clouds on Mars?

astronomy