question_id int64 3.53k 4.67k | answer stringclasses 10
values | category stringclasses 1
value | prompt stringlengths 310 2.1k |
|---|---|---|---|
3,728 | G | chemistry | Answer the following multiple choice question. The last line of your response should be of the following format: 'Answer: $LETTER' (without quotes) where LETTER is one of ABCDEFGHIJ. Think step by step before answering.
A very crude model of the buckminsterfullerene molecule $\left(\mathrm{C}_{60}\right)$ is to treat ... |
3,729 | C | chemistry | Answer the following multiple choice question. The last line of your response should be of the following format: 'Answer: $LETTER' (without quotes) where LETTER is one of ABCDEFGHIJ. Think step by step before answering.
Calculate the melting point of ice under a pressure of 50 bar. Assume that the density of ice under... |
3,730 | D | chemistry | Answer the following multiple choice question. The last line of your response should be of the following format: 'Answer: $LETTER' (without quotes) where LETTER is one of ABCDEFGHIJ. Think step by step before answering.
The ground level of $\mathrm{Cl}$ is ${ }^2 \mathrm{P}_{3 / 2}$ and a ${ }^2 \mathrm{P}_{1 / 2}$ le... |
3,731 | G | chemistry | Answer the following multiple choice question. The last line of your response should be of the following format: 'Answer: $LETTER' (without quotes) where LETTER is one of ABCDEFGHIJ. Think step by step before answering.
The ${ }^7 \mathrm{Li}^1 \mathrm{H}$ ground electronic state has $D_0=2.4287 \mathrm{eV}, \nu_e / c... |
3,732 | J | chemistry | Answer the following multiple choice question. The last line of your response should be of the following format: 'Answer: $LETTER' (without quotes) where LETTER is one of ABCDEFGHIJ. Think step by step before answering.
A line in the Lyman series of hydrogen has a wavelength of $1.03 \times 10^{-7} \mathrm{~m}$. Find ... |
3,733 | D | chemistry | Answer the following multiple choice question. The last line of your response should be of the following format: 'Answer: $LETTER' (without quotes) where LETTER is one of ABCDEFGHIJ. Think step by step before answering.
Calculate the de Broglie wavelength for (a) an electron with a kinetic energy of $100 \mathrm{eV}$
... |
3,734 | I | chemistry | Answer the following multiple choice question. The last line of your response should be of the following format: 'Answer: $LETTER' (without quotes) where LETTER is one of ABCDEFGHIJ. Think step by step before answering.
Assume all gases are perfect unless stated otherwise. Note that 1 atm = 1.013 25 bar. Unless otherw... |
3,735 | E | chemistry | Answer the following multiple choice question. The last line of your response should be of the following format: 'Answer: $LETTER' (without quotes) where LETTER is one of ABCDEFGHIJ. Think step by step before answering.
Assume all gases are perfect unless stated otherwise. Note that 1 atm = 1.013 25 bar. Unless otherw... |
3,736 | G | chemistry | Answer the following multiple choice question. The last line of your response should be of the following format: 'Answer: $LETTER' (without quotes) where LETTER is one of ABCDEFGHIJ. Think step by step before answering.
Assume all gases are perfect unless stated otherwise. Unless otherwise stated, thermodynamic data a... |
3,737 | H | chemistry | Answer the following multiple choice question. The last line of your response should be of the following format: 'Answer: $LETTER' (without quotes) where LETTER is one of ABCDEFGHIJ. Think step by step before answering.
Assume all gases are perfect unless stated otherwise. Unless otherwise stated, thermodynamic data a... |
3,738 | G | chemistry | Answer the following multiple choice question. The last line of your response should be of the following format: 'Answer: $LETTER' (without quotes) where LETTER is one of ABCDEFGHIJ. Think step by step before answering.
Assume all gases are perfect unless stated otherwise. Unless otherwise stated, thermodynamic data a... |
3,739 | D | chemistry | Answer the following multiple choice question. The last line of your response should be of the following format: 'Answer: $LETTER' (without quotes) where LETTER is one of ABCDEFGHIJ. Think step by step before answering.
Assume that all gases are perfect and that data refer to 298 K unless otherwise stated. Estimate th... |
3,740 | G | chemistry | Answer the following multiple choice question. The last line of your response should be of the following format: 'Answer: $LETTER' (without quotes) where LETTER is one of ABCDEFGHIJ. Think step by step before answering.
Assume that all gases are perfect and that data refer to 298.15 K unless otherwise stated. A sample... |
3,741 | E | chemistry | Answer the following multiple choice question. The last line of your response should be of the following format: 'Answer: $LETTER' (without quotes) where LETTER is one of ABCDEFGHIJ. Think step by step before answering.
Assume that all gases are perfect and that data refer to 298.15 K unless otherwise stated. The chan... |
3,742 | B | chemistry | Answer the following multiple choice question. The last line of your response should be of the following format: 'Answer: $LETTER' (without quotes) where LETTER is one of ABCDEFGHIJ. Think step by step before answering.
When 10.0 g of n-propylchloride is allowed to react with excess sodium in the Wurtz reaction, how m... |
3,743 | G | chemistry | Answer the following multiple choice question. The last line of your response should be of the following format: 'Answer: $LETTER' (without quotes) where LETTER is one of ABCDEFGHIJ. Think step by step before answering.
The atomic radius of hydrogen is 0.037 nm, Compare this figure with the length of the first Bohr ra... |
3,744 | A | chemistry | Answer the following multiple choice question. The last line of your response should be of the following format: 'Answer: $LETTER' (without quotes) where LETTER is one of ABCDEFGHIJ. Think step by step before answering.
GivenK_ifor acetic acid is 1.8 × 10^-5, calculate the percentage of ionization of 0.5 M acetic acid... |
3,745 | C | chemistry | Answer the following multiple choice question. The last line of your response should be of the following format: 'Answer: $LETTER' (without quotes) where LETTER is one of ABCDEFGHIJ. Think step by step before answering.
When air is let out of an automobile tire, the air feels cold to the touch. Explain why you feel th... |
3,746 | J | chemistry | Answer the following multiple choice question. The last line of your response should be of the following format: 'Answer: $LETTER' (without quotes) where LETTER is one of ABCDEFGHIJ. Think step by step before answering.
For the indicator phenolphthalein (In^-),HInis colorless and In^- is red;K_dissis 10^-9. If one has... |
3,747 | I | chemistry | Answer the following multiple choice question. The last line of your response should be of the following format: 'Answer: $LETTER' (without quotes) where LETTER is one of ABCDEFGHIJ. Think step by step before answering.
The density of KF is 2.48 g/cm^3. The solid is made up of a cubic array of alternate K^+ and F^- io... |
3,748 | F | chemistry | Answer the following multiple choice question. The last line of your response should be of the following format: 'Answer: $LETTER' (without quotes) where LETTER is one of ABCDEFGHIJ. Think step by step before answering.
The mass of an electron is 9.109 × 10^-28 g. What is the atomic weight of electrons?
A. 1.67 × 10^... |
3,749 | C | chemistry | Answer the following multiple choice question. The last line of your response should be of the following format: 'Answer: $LETTER' (without quotes) where LETTER is one of ABCDEFGHIJ. Think step by step before answering.
A solution of 10.0 g of HF in 500 g H_2O freezes at - 1.98°C. Calculate the degree of ionization of... |
3,750 | C | chemistry | Answer the following multiple choice question. The last line of your response should be of the following format: 'Answer: $LETTER' (without quotes) where LETTER is one of ABCDEFGHIJ. Think step by step before answering.
What pressure is required to compress 5 liters of gas at 1 atm. pressure to 1 liter at a constant t... |
3,751 | D | chemistry | Answer the following multiple choice question. The last line of your response should be of the following format: 'Answer: $LETTER' (without quotes) where LETTER is one of ABCDEFGHIJ. Think step by step before answering.
A saturated solution of the strong electrolyte Ca(OH)_2 is prepared by adding sufficient water to 5... |
3,752 | C | chemistry | Answer the following multiple choice question. The last line of your response should be of the following format: 'Answer: $LETTER' (without quotes) where LETTER is one of ABCDEFGHIJ. Think step by step before answering.
Calculate the solubility product constant of pure PbSO_4 in water. The solubility of PbSO_4 in wate... |
3,753 | C | chemistry | Answer the following multiple choice question. The last line of your response should be of the following format: 'Answer: $LETTER' (without quotes) where LETTER is one of ABCDEFGHIJ. Think step by step before answering.
A chemist dissolvesPbSin water . TheK_spis found to be 1 × 10-^28 . What is themolarityof each ion ... |
3,754 | H | chemistry | Answer the following multiple choice question. The last line of your response should be of the following format: 'Answer: $LETTER' (without quotes) where LETTER is one of ABCDEFGHIJ. Think step by step before answering.
Solve 6x^2 - 7x - 20 = 0.
A. 5/2, 4/3
B. -5/3, 4/2
C. 5/3, -4/2
D. 2, -10
E. 4, -5
F. -5/2, 4/3
G.... |
3,755 | I | chemistry | Answer the following multiple choice question. The last line of your response should be of the following format: 'Answer: $LETTER' (without quotes) where LETTER is one of ABCDEFGHIJ. Think step by step before answering.
If the vapor pressure of CCl_4 (carbon tetrachloride) is .132 atm at 23°C and .526 atm at 58°C, wha... |
3,756 | A | chemistry | Answer the following multiple choice question. The last line of your response should be of the following format: 'Answer: $LETTER' (without quotes) where LETTER is one of ABCDEFGHIJ. Think step by step before answering.
An automobile travelling at 10 miles per hour produces 0.33 1b of CO gas per mile. How many moles o... |
3,757 | E | chemistry | Answer the following multiple choice question. The last line of your response should be of the following format: 'Answer: $LETTER' (without quotes) where LETTER is one of ABCDEFGHIJ. Think step by step before answering.
Nitroglycerin (C_3 H_5 ( NO_3) _3) explodes according to the follow-ing reaction: 4C_3 H_5 (NO_3) _... |
3,758 | E | chemistry | Answer the following multiple choice question. The last line of your response should be of the following format: 'Answer: $LETTER' (without quotes) where LETTER is one of ABCDEFGHIJ. Think step by step before answering.
2.3 g of ethanol (C_2H_5OH, molecular weight = 46 g/mole) is added to 500 g of water. Determine the... |
3,759 | D | chemistry | Answer the following multiple choice question. The last line of your response should be of the following format: 'Answer: $LETTER' (without quotes) where LETTER is one of ABCDEFGHIJ. Think step by step before answering.
A chemist has one mole of X atoms. He finds that when half of the X atoms transfer one electron to ... |
3,760 | D | chemistry | Answer the following multiple choice question. The last line of your response should be of the following format: 'Answer: $LETTER' (without quotes) where LETTER is one of ABCDEFGHIJ. Think step by step before answering.
Iron (III) oxide is reacted with carbon monoxide in a blast furnace to produce iron. The balanced r... |
3,761 | G | chemistry | Answer the following multiple choice question. The last line of your response should be of the following format: 'Answer: $LETTER' (without quotes) where LETTER is one of ABCDEFGHIJ. Think step by step before answering.
What is the volume in liters of a rectangular tank which measures2.0 m by 50 cm by 200 mm?
A. 250 ... |
3,762 | B | chemistry | Answer the following multiple choice question. The last line of your response should be of the following format: 'Answer: $LETTER' (without quotes) where LETTER is one of ABCDEFGHIJ. Think step by step before answering.
Calculate the density of the tightly coiled tropocollagen molecule, which may be considered to be a... |
3,763 | C | chemistry | Answer the following multiple choice question. The last line of your response should be of the following format: 'Answer: $LETTER' (without quotes) where LETTER is one of ABCDEFGHIJ. Think step by step before answering.
Ethanol boils at 78.5°C. If 10 g of sucrose (C_12H_22O_11) is dissolved in 150 g of ethanol, at wha... |
3,764 | I | chemistry | Answer the following multiple choice question. The last line of your response should be of the following format: 'Answer: $LETTER' (without quotes) where LETTER is one of ABCDEFGHIJ. Think step by step before answering.
At a certain temperature,Keqfor the reaction 3C_2H_2 \rightleftarrows C_6H_6 is 4. If the equilibri... |
3,765 | F | chemistry | Answer the following multiple choice question. The last line of your response should be of the following format: 'Answer: $LETTER' (without quotes) where LETTER is one of ABCDEFGHIJ. Think step by step before answering.
Most membranes of animal cells contain about 60% protein and 40% phosphoglycerides. (a) Calculate t... |
3,766 | B | chemistry | Answer the following multiple choice question. The last line of your response should be of the following format: 'Answer: $LETTER' (without quotes) where LETTER is one of ABCDEFGHIJ. Think step by step before answering.
Carbon dioxide is reduced by hydrogen according to the equation CO_2(g) + H_2(g) \rightleftarrows C... |
3,767 | I | chemistry | Answer the following multiple choice question. The last line of your response should be of the following format: 'Answer: $LETTER' (without quotes) where LETTER is one of ABCDEFGHIJ. Think step by step before answering.
In order to attract males for mating, females of many insect species secrete chemical compounds cal... |
3,768 | D | chemistry | Answer the following multiple choice question. The last line of your response should be of the following format: 'Answer: $LETTER' (without quotes) where LETTER is one of ABCDEFGHIJ. Think step by step before answering.
At standard conditions, 1 liter of oxygen gas weighs almost 1.44 g, whereas 1 liter of hydrogen wei... |
3,769 | D | chemistry | Answer the following multiple choice question. The last line of your response should be of the following format: 'Answer: $LETTER' (without quotes) where LETTER is one of ABCDEFGHIJ. Think step by step before answering.
The diffusion coefficient for serum globulin at 20° in a dilute aqueous salt solution is 4.0 × 10^-... |
3,770 | C | chemistry | Answer the following multiple choice question. The last line of your response should be of the following format: 'Answer: $LETTER' (without quotes) where LETTER is one of ABCDEFGHIJ. Think step by step before answering.
Calculate the heat absorbed, \DeltaH, at constant pressure when one mole of N_2(g) is heated from 2... |
3,771 | A | chemistry | Answer the following multiple choice question. The last line of your response should be of the following format: 'Answer: $LETTER' (without quotes) where LETTER is one of ABCDEFGHIJ. Think step by step before answering.
A) Determine the pH of a solution with a hydrogen ion concentration of 3.5 × 10^-4. B) If a solutio... |
3,772 | J | chemistry | Answer the following multiple choice question. The last line of your response should be of the following format: 'Answer: $LETTER' (without quotes) where LETTER is one of ABCDEFGHIJ. Think step by step before answering.
A student made three successiveweighingsof an object as follows: 9.17 g, 9.15 g, and 9.20 g. What i... |
3,773 | B | chemistry | Answer the following multiple choice question. The last line of your response should be of the following format: 'Answer: $LETTER' (without quotes) where LETTER is one of ABCDEFGHIJ. Think step by step before answering.
Find the pH of a solution of 0.3 M acetic acid. Assume a K_a value of 1.8 × 10^-5.
A. 4.00
B. 2.63... |
3,774 | B | chemistry | Answer the following multiple choice question. The last line of your response should be of the following format: 'Answer: $LETTER' (without quotes) where LETTER is one of ABCDEFGHIJ. Think step by step before answering.
On a hot day, the pressure in an automobile tire increases. Assuming that the air in a tire at 59°F... |
3,775 | F | chemistry | Answer the following multiple choice question. The last line of your response should be of the following format: 'Answer: $LETTER' (without quotes) where LETTER is one of ABCDEFGHIJ. Think step by step before answering.
How much area, in square meters, will one liter of paint cover if it is brushed out to a uniform th... |
3,776 | G | chemistry | Answer the following multiple choice question. The last line of your response should be of the following format: 'Answer: $LETTER' (without quotes) where LETTER is one of ABCDEFGHIJ. Think step by step before answering.
A .05molalKClsolution is electrolyzed in aHittorfcell at 25°C. A silver coulometer connected in ser... |
3,777 | G | chemistry | Answer the following multiple choice question. The last line of your response should be of the following format: 'Answer: $LETTER' (without quotes) where LETTER is one of ABCDEFGHIJ. Think step by step before answering.
Given that Bismuth has a density of 9.80 × 10^3 kg m^-3 and a mass absorption coefficient for a gam... |
3,778 | G | chemistry | Answer the following multiple choice question. The last line of your response should be of the following format: 'Answer: $LETTER' (without quotes) where LETTER is one of ABCDEFGHIJ. Think step by step before answering.
Two electrolytic cells were placed in series. One was composed of AgNO_3 and the other of CuSO_4,. ... |
3,779 | I | chemistry | Answer the following multiple choice question. The last line of your response should be of the following format: 'Answer: $LETTER' (without quotes) where LETTER is one of ABCDEFGHIJ. Think step by step before answering.
A turn of \alpha-helix (3.6 residues) is 5,41 \AA in length measured parallel to the helix axis. If... |
3,780 | B | chemistry | Answer the following multiple choice question. The last line of your response should be of the following format: 'Answer: $LETTER' (without quotes) where LETTER is one of ABCDEFGHIJ. Think step by step before answering.
Liquid nitrogen is an excellent bath for keeping temperatures around 77°K, its normal boiling point... |
3,781 | J | chemistry | Answer the following multiple choice question. The last line of your response should be of the following format: 'Answer: $LETTER' (without quotes) where LETTER is one of ABCDEFGHIJ. Think step by step before answering.
Calculate the sedimentation coefficient of tobacco mosaic virus from the fact that the boundary mov... |
3,782 | J | chemistry | Answer the following multiple choice question. The last line of your response should be of the following format: 'Answer: $LETTER' (without quotes) where LETTER is one of ABCDEFGHIJ. Think step by step before answering.
Baking powder consists of a mixture of cream of tartar (potassium hydrogen tartrate, KHC_4 H_4 O_6,... |
3,783 | H | chemistry | Answer the following multiple choice question. The last line of your response should be of the following format: 'Answer: $LETTER' (without quotes) where LETTER is one of ABCDEFGHIJ. Think step by step before answering.
Two 50 kg pieces of copper, one at 175°C and the other at 40°C, are in contact with each other. The... |
3,784 | B | chemistry | Answer the following multiple choice question. The last line of your response should be of the following format: 'Answer: $LETTER' (without quotes) where LETTER is one of ABCDEFGHIJ. Think step by step before answering.
One of the major atmospheric pollutants emitted by fuel combustion power stations is a sulfur oxide... |
3,785 | C | chemistry | Answer the following multiple choice question. The last line of your response should be of the following format: 'Answer: $LETTER' (without quotes) where LETTER is one of ABCDEFGHIJ. Think step by step before answering.
At a 4000-m altitude the atmospheric pressure is about 0.605 atm. What boiling point would you expe... |
3,786 | B | chemistry | Answer the following multiple choice question. The last line of your response should be of the following format: 'Answer: $LETTER' (without quotes) where LETTER is one of ABCDEFGHIJ. Think step by step before answering.
The dielectric constant of gaseous SO_2 is 1.00993 at 273 K and 1.00569 at 373 K, at P = 1 atm. Cal... |
3,787 | C | chemistry | Answer the following multiple choice question. The last line of your response should be of the following format: 'Answer: $LETTER' (without quotes) where LETTER is one of ABCDEFGHIJ. Think step by step before answering.
The yellow light of a sodium lamp has an average wavelength of 5890 \AA. Calculate the energy in (a... |
3,788 | H | chemistry | Answer the following multiple choice question. The last line of your response should be of the following format: 'Answer: $LETTER' (without quotes) where LETTER is one of ABCDEFGHIJ. Think step by step before answering.
Khudseneffusion technique was used to determine the vapor pressure of scandium and the following da... |
3,789 | D | chemistry | Answer the following multiple choice question. The last line of your response should be of the following format: 'Answer: $LETTER' (without quotes) where LETTER is one of ABCDEFGHIJ. Think step by step before answering.
Calculate theCoulombicbarrier in the bombardment of ^209Bi Calculate theCoulombicbarrier in the bom... |
3,790 | B | chemistry | Answer the following multiple choice question. The last line of your response should be of the following format: 'Answer: $LETTER' (without quotes) where LETTER is one of ABCDEFGHIJ. Think step by step before answering.
The temperature of a given gas is -10°C. What are the equivalent Fahrenheit and absolute Kelvin sca... |
3,791 | F | chemistry | Answer the following multiple choice question. The last line of your response should be of the following format: 'Answer: $LETTER' (without quotes) where LETTER is one of ABCDEFGHIJ. Think step by step before answering.
Calculate the number of electrons that can be removed from metallic cesium with the energy required... |
3,792 | I | chemistry | Answer the following multiple choice question. The last line of your response should be of the following format: 'Answer: $LETTER' (without quotes) where LETTER is one of ABCDEFGHIJ. Think step by step before answering.
Consider the reaction I_2 \rightarrow 2I at 1000°K and 1 atm. The fundamental vibration frequency ѵ... |
3,793 | A | chemistry | Answer the following multiple choice question. The last line of your response should be of the following format: 'Answer: $LETTER' (without quotes) where LETTER is one of ABCDEFGHIJ. Think step by step before answering.
What is the freezing point of a solution of 92 g of alcohol (C_2H_5OH) and 500 g of H_20 ?
A. -7.4... |
3,794 | E | chemistry | Answer the following multiple choice question. The last line of your response should be of the following format: 'Answer: $LETTER' (without quotes) where LETTER is one of ABCDEFGHIJ. Think step by step before answering.
A gaseous sample of neon, maintained at constant tem-perature, occupies 500 ml at 2.00 atm. Calcula... |
3,795 | A | chemistry | Answer the following multiple choice question. The last line of your response should be of the following format: 'Answer: $LETTER' (without quotes) where LETTER is one of ABCDEFGHIJ. Think step by step before answering.
The reaction C_2H_4O \rightarrowCH_4 + CO is a first-order reaction with a specific rate constant o... |
3,796 | G | chemistry | Answer the following multiple choice question. The last line of your response should be of the following format: 'Answer: $LETTER' (without quotes) where LETTER is one of ABCDEFGHIJ. Think step by step before answering.
You are a chemist employed by a geological company to date the age of rocks by radioactive testing.... |
3,797 | B | chemistry | Answer the following multiple choice question. The last line of your response should be of the following format: 'Answer: $LETTER' (without quotes) where LETTER is one of ABCDEFGHIJ. Think step by step before answering.
A sample of bristle cone pine wood of age 7,000 \pm 100 years, known by counting growth rings, poss... |
3,798 | E | chemistry | Answer the following multiple choice question. The last line of your response should be of the following format: 'Answer: $LETTER' (without quotes) where LETTER is one of ABCDEFGHIJ. Think step by step before answering.
For the reaction Cd(Hg) + Hg_2SO_4(s) + (8/3)H_2O \rightleftarrows CdSO_4 \bullet (8/3)H_2O(s) + 3H... |
3,799 | F | chemistry | Answer the following multiple choice question. The last line of your response should be of the following format: 'Answer: $LETTER' (without quotes) where LETTER is one of ABCDEFGHIJ. Think step by step before answering.
The maximum weekly dose for the hands and forearms, as-suming a mass of 6kg and a surface area of 9... |
3,800 | H | chemistry | Answer the following multiple choice question. The last line of your response should be of the following format: 'Answer: $LETTER' (without quotes) where LETTER is one of ABCDEFGHIJ. Think step by step before answering.
Calculate the work done a) at 25°C, b) at 100°C, when 100 g of nitrogen at a pressure of 760 torr i... |
3,801 | A | chemistry | Answer the following multiple choice question. The last line of your response should be of the following format: 'Answer: $LETTER' (without quotes) where LETTER is one of ABCDEFGHIJ. Think step by step before answering.
An explorer, lost in. the desert, stumbled on an abandoned automobile whose gas tank still held 5 l... |
3,802 | J | chemistry | Answer the following multiple choice question. The last line of your response should be of the following format: 'Answer: $LETTER' (without quotes) where LETTER is one of ABCDEFGHIJ. Think step by step before answering.
Glacial acetic acid has a melting point of 16°C at a pressure of 1 atm. a) Calculate the melting po... |
3,803 | A | chemistry | Answer the following multiple choice question. The last line of your response should be of the following format: 'Answer: $LETTER' (without quotes) where LETTER is one of ABCDEFGHIJ. Think step by step before answering.
What is the theoretical density for calcium, since it crystallizes in the face-centered cubic unit ... |
3,804 | E | chemistry | Answer the following multiple choice question. The last line of your response should be of the following format: 'Answer: $LETTER' (without quotes) where LETTER is one of ABCDEFGHIJ. Think step by step before answering.
Your supervisor asks you to determine the enthalpy of a certain chemical reaction. Which would you ... |
3,805 | D | chemistry | Answer the following multiple choice question. The last line of your response should be of the following format: 'Answer: $LETTER' (without quotes) where LETTER is one of ABCDEFGHIJ. Think step by step before answering.
In acid solution the bromate ion, BrO3- can react with other substances, resulting in Br2. Balance ... |
3,806 | H | chemistry | Answer the following multiple choice question. The last line of your response should be of the following format: 'Answer: $LETTER' (without quotes) where LETTER is one of ABCDEFGHIJ. Think step by step before answering.
Consider the Lewis structures for the following molecules: CO2, CO32-, NO2-, and NO3-. Which molecu... |
3,807 | B | chemistry | Answer the following multiple choice question. The last line of your response should be of the following format: 'Answer: $LETTER' (without quotes) where LETTER is one of ABCDEFGHIJ. Think step by step before answering.
Nitrogen's electronegativity value is between those of phosphorus and oxygen. Which of the followin... |
3,808 | G | chemistry | Answer the following multiple choice question. The last line of your response should be of the following format: 'Answer: $LETTER' (without quotes) where LETTER is one of ABCDEFGHIJ. Think step by step before answering.
The units for the rate of a chemical reaction are
A. L mol-1 s-1
B. s-1 mol L-1
C. s-1 L mol-1
D. ... |
3,809 | E | chemistry | Answer the following multiple choice question. The last line of your response should be of the following format: 'Answer: $LETTER' (without quotes) where LETTER is one of ABCDEFGHIJ. Think step by step before answering.
Nitrous acid, HNO2, has a pKa value of 3.3. If a solution of nitrous acid is found to have a pH of ... |
3,810 | H | chemistry | Answer the following multiple choice question. The last line of your response should be of the following format: 'Answer: $LETTER' (without quotes) where LETTER is one of ABCDEFGHIJ. Think step by step before answering.
When a solid melts, the entropy change and enthalpy changes expected are
A. Positive enthalpy chan... |
3,811 | A | chemistry | Answer the following multiple choice question. The last line of your response should be of the following format: 'Answer: $LETTER' (without quotes) where LETTER is one of ABCDEFGHIJ. Think step by step before answering.
Which one of the following statements is true:
A. Protons and neutrons possess orbital angular mom... |
3,812 | I | chemistry | Answer the following multiple choice question. The last line of your response should be of the following format: 'Answer: $LETTER' (without quotes) where LETTER is one of ABCDEFGHIJ. Think step by step before answering.
The 13C spectrum of which isomer of C6H14 has lines with five distinct chemical shifts?
A. 3-ethyl... |
3,813 | H | chemistry | Answer the following multiple choice question. The last line of your response should be of the following format: 'Answer: $LETTER' (without quotes) where LETTER is one of ABCDEFGHIJ. Think step by step before answering.
Of the following compounds, which has the lowest melting point?
A. NaCl
B. LiCl
C. AlCl3
D. KCl
E.... |
3,814 | D | chemistry | Answer the following multiple choice question. The last line of your response should be of the following format: 'Answer: $LETTER' (without quotes) where LETTER is one of ABCDEFGHIJ. Think step by step before answering.
Predict the number of lines in the EPR spectrum of a solution of dimethylnitroxide (CH3)2NO• assumi... |
3,815 | D | chemistry | Answer the following multiple choice question. The last line of your response should be of the following format: 'Answer: $LETTER' (without quotes) where LETTER is one of ABCDEFGHIJ. Think step by step before answering.
A chemical reaction takes place in a container of cross-sectional area $50 \mathrm{~cm}^2$. As a re... |
3,816 | H | chemistry | Answer the following multiple choice question. The last line of your response should be of the following format: 'Answer: $LETTER' (without quotes) where LETTER is one of ABCDEFGHIJ. Think step by step before answering.
A particle of mass $1.0 \mathrm{~g}$ is released near the surface of the Earth, where the accelerat... |
3,817 | G | chemistry | Answer the following multiple choice question. The last line of your response should be of the following format: 'Answer: $LETTER' (without quotes) where LETTER is one of ABCDEFGHIJ. Think step by step before answering.
A thermodynamic study of $\mathrm{DyCl}_3$ (E.H.P. Cordfunke, et al., J. Chem. Thermodynamics 28, 1... |
3,818 | A | chemistry | Answer the following multiple choice question. The last line of your response should be of the following format: 'Answer: $LETTER' (without quotes) where LETTER is one of ABCDEFGHIJ. Think step by step before answering.
Suppose that the junction between two semiconductors can be represented by a barrier of height $2.0... |
3,819 | B | chemistry | Answer the following multiple choice question. The last line of your response should be of the following format: 'Answer: $LETTER' (without quotes) where LETTER is one of ABCDEFGHIJ. Think step by step before answering.
The NOF molecule is an asymmetric rotor with rotational constants $3.1752 \mathrm{~cm}^{-1}, 0.3951... |
3,820 | J | chemistry | Answer the following multiple choice question. The last line of your response should be of the following format: 'Answer: $LETTER' (without quotes) where LETTER is one of ABCDEFGHIJ. Think step by step before answering.
For a macroscopic object of mass $1.0 \mathrm{~g}$ moving with speed $1.0 \mathrm{~cm} / \mathrm{s}... |
3,821 | C | chemistry | Answer the following multiple choice question. The last line of your response should be of the following format: 'Answer: $LETTER' (without quotes) where LETTER is one of ABCDEFGHIJ. Think step by step before answering.
When a particle of mass $9.1 \times 10^{-28} \mathrm{~g}$ in a certain one-dimensional box goes fro... |
3,822 | G | chemistry | Answer the following multiple choice question. The last line of your response should be of the following format: 'Answer: $LETTER' (without quotes) where LETTER is one of ABCDEFGHIJ. Think step by step before answering.
In the infrared spectrum of $\mathrm{H}^{127} \mathrm{I}$, there is an intense line at $2309 \math... |
3,823 | A | chemistry | Answer the following multiple choice question. The last line of your response should be of the following format: 'Answer: $LETTER' (without quotes) where LETTER is one of ABCDEFGHIJ. Think step by step before answering.
Calculate the wavelength and the energy of a photon associated with the series limit of the Lyman s... |
3,824 | B | chemistry | Answer the following multiple choice question. The last line of your response should be of the following format: 'Answer: $LETTER' (without quotes) where LETTER is one of ABCDEFGHIJ. Think step by step before answering.
A perfect gas undergoes isothermal compression, which reduces its volume by $2.20 \mathrm{dm}^3$. T... |
3,825 | J | chemistry | Answer the following multiple choice question. The last line of your response should be of the following format: 'Answer: $LETTER' (without quotes) where LETTER is one of ABCDEFGHIJ. Think step by step before answering.
Assume all gases are perfect unless stated otherwise. Unless otherwise stated, thermodynamic data a... |
3,826 | C | chemistry | Answer the following multiple choice question. The last line of your response should be of the following format: 'Answer: $LETTER' (without quotes) where LETTER is one of ABCDEFGHIJ. Think step by step before answering.
Assume all gases are perfect unless stated otherwise. Unless otherwise stated, thermodynamic data a... |
3,827 | E | chemistry | Answer the following multiple choice question. The last line of your response should be of the following format: 'Answer: $LETTER' (without quotes) where LETTER is one of ABCDEFGHIJ. Think step by step before answering.
Assume that all gases are perfect and that data refer to 298 K unless otherwise stated. 3.17 Estima... |
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