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"from": "user",
"value": "*A vessel contains water and ether, which do not mix. A non-evaporating amphiphilic colorant soluble in both fractions is added; as a consequence, the boiling point of the water fraction increases by 0.01 K. Calculate the shift of boiling point of the ether fraction given that bo... |
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"value": "The structures of compounds \\( J, K \\) and \\( L \\), respectively, are:\\n - (a) \\[ \\ce{PhCOCH3, PhCH2COCH3, \\text{and} \\ PhCH2COOK^{+}} \\]\\n - (b) \\[ \\ce{PhCHO, PhCH2CHO, \\text{and} \\ PhCOOK^{+}} \\]\\n - (c) \\[ \\ce{PhCOCH3, PhCH2CHO, \\text{and} \\ CH3COOK^... |
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"value": "Which of the following is pseudo first-order reaction?\\n(a) The basic hydrolysis of ethyl acetate\\n(b) The inversion of sucrose in the presence of an acid\\n(c) The acidic hydrolysis of ethyl acetate\\n(d) The decomposition of ammonium nitrite in aqueous solution."
},
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... |
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"value": "Calculate approximate values for the bond energy and the percent ionic character for the C–Cl bond in CCl₄."
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"value": "<think>\nOkay, so I need to find the bond energy and the percent ionic character for the C-Cl bond in CCl₄. Hmm, let me sta... |
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"value": "Understanding amino acid reaction mechanisms\\n\\nDraw a simple mechanism for the reaction of a cysteine sulfhydryl group with iodoacetamide."
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"value": "<think>\nOkay, so I need to figure out how to draw the mechanism for the reaction between... |
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"value": "By using the Landau form of the collision operator, show that C_{ab}(f_a,f_b) = 0, if f_a and f_b are Maxwellian distributions with equal temperatures T_a = T_b = T."
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"value": "<think>\nOkay, so I need to show that the collision operator \\( ... |
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"value": "Compound A, \\((C_7H_8O_2)\\) on treatment with NH\\(_2\\)OH, HCl, and KOH gives B, \\((C_7H_7O_2N)\\), which on treatment with PCl\\(_5\\), forms an isomeric neutral compound C. Compound C on hydrolysis with 70% H\\(_2\\)SO\\(_4\\) yielded an acid D, \\((C_7H_6O_2)\\) and a base... |
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"value": "(a) Show the nucleophilic addition of the malonate carbanion to methyl vinyl ketone and the formation of the final keto product. \\n(b) Show how this product can be converted to a δ-ketoacid.\\n\\n\\[\\n\\begin{align*}\\n(a) \\quad & \\text{CH}_3\\text{C} = \\text{CHCH} \\equiv \... |
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"value": "If the anions (A) from hexagonal closest packing and cations (C) occupy only 2/3 octahedral voids in it, then the general formula of the compound is: \\n(a) CA \\n(b) \\( CA_2 \\) \\n(c) \\( C_2A_3 \\) \\n(d) \\( C_3A_2 \\)"
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"from": "assistant",
"value": "<th... |
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"value": "(a) The starting material (acetylene) has two carbon atoms, and the product has five carbon atoms. Therefore, we must change the carbon skeleton by forming carbon-carbon bonds. Specifically, we must install a methyl group and an ethyl group. Each of these alkylation reactions can... |
[
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"value": "Which amino acids would be capable of forming H bonds with a lysine residue in a protein?"
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"value": "<think>\nOkay, so I need to figure out which amino acids can form hydrogen bonds with lysine in a protein. Let me start by recalling what I k... |
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"value": "Why are the polyunsaturated fatty acids linoleic acid and linolenic acid considered essential?"
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"value": "<think>\nOkay, so I need to figure out why linoleic acid and linolenic acid are considered essential. Let me start by recalling what I k... |
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"value": "Which one of the following is the strongest base? (a) AsH₃ (b) SbH₃ (c) PH₃ (d) NH₃"
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"value": "<think>\nOkay, so I need to figure out which of these compounds is the strongest base: AsH₃, SbH₃, PH₃, or NH₃. Hmm, I remember that basicity has t... |
[
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"value": "Consider the rigid rotation of a biatomic molecule, made of two atoms with masses \\( M_1 \\) and \\( M_2 \\) at an internuclear distance \\( R_0 \\).\\n\\n(a) Calculate the moment of inertia \\( I \\) about an axis passing through the center of mass and perpendicular to the inte... |
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"value": "UNSTEADY TWO STAGES\\n\\nA CSTR battery consists of a 5 liter vessel and a 10 liter one. Originally they contain acetic anhydride solution of concentrations C_{10} = C_{20} = 0.5(10^{-4}) gmol/cc. Solution of concentration C_0 = 3(10^{-4}) is charged to the battery at 2 liters/mi... |
[
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"value": "Vapour pressure of the liquid\\n(a) increases with increase in temperature.\\n(b) decreases with increase in temperature.\\n(c) is independent of temperature.\\n(d) either increases or decreases with increase in temperature, depending on the nature of liquid."
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[
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"value": "a. How is it that malate, a bona fide inhibitor, can increase ATCase activity under these conditions?\\nb. Would you expect malate to have the same peculiar effect if the measurements were made in the presence of a high concentration of aspartate? Why or why not?"
},
{
"f... |
[
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"value": "What is the role of vitamin niacin in CAC?"
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"value": "<think>\nOkay, so I need to figure out the role of niacin in the CAC. Let me start by recalling what I know. Niacin is a B vitamin, right? Specifically B3. It's involved in some metabolic ... |
[
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"value": "How many electrons are necessary to balance the following half-reaction that takes place in a basic environment?\\n\\n\\[ \\text{Br}_2 \\rightarrow \\text{BrO}_3^- \\]"
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"value": "<think>\nAlright, let's try to figure out how many electrons ar... |
[
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"value": "A crucible furnace for melting aluminum used coke as a fuel. The composition of the coke was:\\n\\n| Per Cent |\\n|----------|\\n| C 85 |\\n| H 1 |\\n| H₂O 2 |\\n| Ash 12 |\\n\\nThe ashes from the furnace were one-fifth unburned carbon. There was used, per kilogram ... |
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"value": "From \\(\\text{C}_6\\text{H}_6\\) (\\(\\text{PhH}\\)) or \\(\\text{PhCH}_3\\), synthesize:\\n\\na) \\(p\\)-\\(\\text{ClC}_6\\text{H}_4\\text{NO}_2\\)\\n\\nb) \\(m\\)-\\(\\text{ClC}_6\\text{H}_4\\text{NO}_2\\)\\n\\nc) \\(p\\)-\\(\\text{O}_2\\text{N}C_6\\text{H}_4\\text{COOH}\\)\\n... |
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"value": "Draw all the possible stereoisomers of CH3CH=CHCH=CHCH3 and mention whether they are R or S isomers."
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"value": "<think>\nOkay, so I need to figure out all the possible stereoisomers for the compound CH3CH=CHCH=CHCH3. The molecule has two doub... |
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"value": "155. \\( xy \\, dy = (y^2 + x) \\, dx \\)."
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"value": "<think>\nOkay, so I need to solve this differential equation: \\( xy \\, dy = (y^2 + x) \\, dx \\). Hmm, let me start by writing it down again to make sure I have it right. Yeah, that's co... |
[
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"value": "Explain the difference between a gain-of-function mutation and a dominant-negative mutation. Why are both these types of mutation usually dominant?"
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"value": "<think>\nOkay, so I need to explain the difference between gain-of-function and dom... |
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{
"from": "user",
"value": "Write down the resonating structures of carboxylic acid and carboxylate ion."
},
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"from": "assistant",
"value": "<think>\nOkay, so I need to figure out the resonating structures of carboxylic acid and the carboxylate ion. Let me start by recalling what I know about r... |
[
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"value": "For weak electrolyte, AB, the degree of ionization would be (\\(V = \\text{volume of solution having 1 mole of electrolyte and } K \\text{ is the ionization constant of the electrolyte}\\))\\n(a) \\(\\frac{K}{V^2}\\)\\n(b) \\(K \\cdot V\\)\\n(c) \\(\\frac{K}{V}\\)\\n(d) \\(\\sqrt... |
[
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"value": "To plan a liquid–liquid extraction we need to know the solute’s distribution ratio between the two phases. One approach is to carry out the extraction on a solution that contains a known amount of solute. After the extraction, we isolate the organic phase and allow it to evaporat... |
[
{
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"value": "How much \\(\\text{Ag}^+\\) would remain in solution after mixing equal volumes of 0.080 M \\(\\text{AgNO}_3\\) and 0.080 M \\(\\text{HOCN}\\)?"
},
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"value": "<think>\nOkay, so I need to figure out how much Ag+ remains in solution after mixing eq... |
[
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"value": "The reduction potential of Mn^{3+}, Mn^{2+} | Pt is larger than H_3O^+ | O_2 | Pt. Hence, Mn^{3+} can oxidize H_2O to O_2."
},
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"from": "assistant",
"value": "<think>\nOkay, let me try to figure out this chemistry problem. So, the question is about reduction potentia... |
[
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"from": "user",
"value": "Find the ground term, \\( E_{0}(R) \\), of a molecular hydrogen ion \\( H_{2}^{+} \\) by variational method, approximating the wavefunction of the state by a “hydrogen” function of the form:\\n\\n\\[\\n\\psi_{\\text{trial}}(r) = \\sqrt{\\frac{\\alpha^{3}}{\\pi R^{3}}} \\exp \\lef... |
[
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"value": "1,4-Diketone (A) and primary amine may be transformed into pyrrole derivative (B) under the influence of an acid catalyst as shown below. Provide a detailed mechanism.\\n\\n**Transformations:**\\n\\n- R\\(_1\\)C(=O) – \\( \\text{NH}_2\\text{R}_2\\) relations convert into a pyrrol... |
[
{
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"value": "What is Cephalin?"
},
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"from": "assistant",
"value": "<think>\nOkay, so I need to figure out what Cephalin is. Let me start by recalling any prior knowledge. I think it's related to biochemistry or maybe something to do with cells. The name sounds like \"cephalic,\" ... |
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{
"from": "user",
"value": "90. Select the correct statements:\\n(a) s-block metal oxides are basic in nature, except BeO which is amphoteric\\n(b) p-block metal oxides are acidic in nature, except NO, N₂O, CO, H₂O\\n(c) d-block metal oxides are basic, acidic, and amphoteric in nature\\n(d) d-block metal ox... |
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"value": "Pyrrolidine group is present in which amino acid?"
},
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"value": "<think>\nOkay, so the question is asking which amino acid contains the pyrrolidine group. Let me start by recalling what a pyrrolidine group looks like. Pyrrolidine is a five-member... |
[
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"value": "The acidic hydrolysis of ethyl acetate in aqueous solution is first order with respect to ethyl acetate. Upon varying the pH of solution, the first-order rate constant varies as follows:\\n\\n | pH | \\( K_i \\times 10^3 \\, \\text{s}^{-1} \\) |\\n |----|-------------------... |
[
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"value": "Atoms of the element ‘A’ form HCP and atoms of element ‘C’ occupy only two-third of octahedral voids in it, then the general formula of the compound is\\n (a) CA \\\\\\n (b) CA_2 \\\\\\n (c) C_2A_3 \\\\\\n (d) C_3A_2"
},
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"from": "assistant",
"value": "<th... |
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"value": "STATEMENT-1: The angular momentum of d-orbitals is \\(\\sqrt{6} \\frac{h}{2\\pi}\\)\\n\\n STATEMENT-2: Angular momentum of electron in orbit is \\(mvr = \\frac{nh}{2\\pi}\\)."
},
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"value": "<think>\nOkay, so I have these two statements here abo... |
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"value": "A sample of CaCO_3{(s)} is introduced into a sealed container of volume 0.821 litre and heated to 1000 K until equilibrium is reached. The equilibrium constant for the reaction CaCO_3{(s)} \\rightleftharpoons CaO{(s)} + CO_2{(g)} is 4 \\times 10^{-2} atm at this temperature. Calc... |
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"value": "The last reaction of the citric acid cycle, which regenerates oxaloacetate (OAA) from malate (MAL), has a very positive \\( \\Delta G^\\circ \\) of 7.1 kcal/mole.\\n\\n\\[ \\n\\text{MAL} + \\text{NAD}^+ \\rightarrow \\text{OAA} + \\text{NADH} \\quad \\Delta G^\\circ = 7.1 \\, \\t... |
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"value": "Find the molar volume (in cm^3/g mol) of propane at 375 K and 21 atm. Use the Redlich-Kwong and Peng-Robinson equations, and solve for the molar volume using (1) a nonlinear equation solver, and (2) the compressibility factor method. The acentric factor for propane to use in the ... |
[
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"value": "2. Adsorption is accompanied by \\n(a) decrease in entropy of the system \\n(b) decrease in enthalpy of the system \\n(c) decrease in free energy of the system \\n(d) decrease in surface energy of adsorbent"
},
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"value": "<think>\nOkay, let m... |
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"value": "The geometry of \\( \\text{Ni(CO)}_4 \\) and \\( \\text{Ni(PPh}_3\\text{)_2Cl}_2 \\) are (a) both square planar (b) tetrahedral and square planar, respectively (c) both tetrahedral (d) square planar and tetrahedral, respectively *(1999)*"
},
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"va... |
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"value": "Calculate the first and second ionization energies for helium (i.e., the energy required to strip first one, and then the other of the electrons from the atom). Compare your results with the experimental values of 24.85 eV and 54.40 eV."
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"from": "assistant",
"val... |
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"value": "For each electrophilic aromatic substitution in Table 11-1, give equations for formation of E^+ and indicate what is B^- or B (several bases may be involved). In reaction (c) the electrophile is a molecule, E.\\n\\n### Reactions\\n\\n1. X_2 + FeX_3 → X^+ (E^+) + FeX_4^- (B^-) (fo... |
[
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"value": "Calculate the molecular mass and gas constant for flue gas with the following composition by volume:\\n\\n- \\( \\text{CO}_2 = 8.0\\% \\)\\n- \\( \\text{O}_2 = 10\\% \\)\\n- \\( \\text{N}_2 = 82\\% \\)"
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"value": "<think>\nOkay, so I need to c... |
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"value": "The amount of camphor in an analgesic ointment is determined by GC using the method of internal standards. A standard sample is prepared by placing 45.2 mg of camphor and 2.00 mL of a 6.00 mg/mL internal standard solution of terpene hydrate in a 25-mL volumetric flask and dilutin... |
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"value": "2-13 The mass of a hydrogen atom—and thus of a proton—is almost exactly 1 dalton. If protons and neutrons have virtually identical masses, and the mass of an electron is negligible, shouldn't all elements have atomic weights that are nearly integers? A perusal of the periodic tab... |
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"value": "Suppose the characters of a reducible representation of the \\(T_d\\) point group are \\( \\chi(\\bar{E}) = 17\\), \\( \\chi(\\bar{C}_3) = 2\\), \\( \\chi(\\bar{C}_2) = 5\\), \\( \\chi(\\bar{S}_4) = -3\\), and \\( \\chi(\\bar{\\sigma}_d) = -5\\), or \\( \\Gamma = 17\\ 2\\ 5\\ -3\... |
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"value": "(a). Rate of reaction of alcohol with H-Br ∝ Stability of C^+ formed in R.D.S."
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"value": "<think>\nOkay, so I need to figure out why the rate of reaction of an alcohol with HBr is proportional to the stability of the carbocation formed in the... |
[
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"value": "The approximate molality of ethylene glycol (\\( \\text{C}_2\\text{H}_6\\text{O}_2 \\)) in an aqueous solution which freezes at a temperature not higher than \\(-15°C\\) is (\\( k_f \\) of water = 1.86°C kg mol\\(^{-1}\\))\\n - (a) 8.06 m\\n - (b) 0.806 m\\n - (c) 0.145 m\\... |
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"value": "18.37. What $[\\text{SO}_4^{2-}]$ must be exceeded to produce an RaSO₄ precipitate in 500 mL of a solution containing 0.00100 mol of Ra²⁺? $K_{sp}$ of RaSO₄ is $4 \\times 10^{-11}$."
},
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"value": "<think>\nOkay, so I need to find the concentratio... |
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"value": "Find the constants of the rate equation\\n\\nr = \\frac{k_1C}{(1 + k_2C)}\\n\\nGiven these data:\\n\\n\\begin{align*}\\nC & : 1.5, \\ 0.8 \\\\\\n1/r & : 3.889, \\ 5.833\\n\\end{align*}\\n\\nSet up the simultaneous equations,\\n\\n3.889 = k_2 / k_1 + 1 / 1.5k_1\\n5.833 = k_2 / k_1... |
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"value": "Non-Integral Reaction Order\\n\\nA reactor has the residence time distribution\\n\\nE(t) = \\n\\begin{cases} \\n0.25 & 0 \\leq t \\leq 2 \\\\ \\n(3-0.5t)/8 & 2 < t \\leq 6, \\text{ and zero elsewhere} \\n\\end{cases}\\n\\nA reaction with rate equation, \\(-dC/dt = 0.6C^{0.8}\\), ... |
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"value": "O2 consumed = [x/2 + (1-x)] × 32 = 22.4 gm"
},
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"value": "<think>\nOkay, so I need to solve this equation for x: O2 consumed = [x/2 + (1 - x)] × 32 = 22.4 gm. Hmm, let me try to understand what's going on here. The equation involves some variable... |
[
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"value": "13–97 What would you expect to happen in cells that secrete large amounts of protein through the regulated secretory pathway, if the ionic conditions in the ER lumen could be changed to resemble those of the trans Golgi network?"
},
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"from": "assistant",
"value": "<t... |
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"value": "Explain each of the following.\\n\\n(a) \\( \\text{BF}_3 \\) accelerates the unimolecular substitution of alkyl fluorides but not those of alkyl chlorides. The reverse is true for AgF.\\n\\n(b) The ethanolysis of benzhydryl chloride is accelerated by addition of small quantities ... |
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"value": "The number of sigma and pi bonds in 1-butene-3-yne are\\n(a) 5 sigma and 5 pi\\n(b) 7 sigma and 3 pi\\n(c) 8 sigma and 2 pi\\n(d) 6 sigma and 4 pi (1989)"
},
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"value": "<think>\nOkay, so I need to figure out how many sigma and pi bonds are in 1-b... |
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"from": "user",
"value": "Check the degree of homogeneity of \\( MP_K \\) in the production function \\( q = \\alpha \\ln L + \\beta \\ln K \\)."
},
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"value": "<think>\nOkay, so I need to check the degree of homogeneity of the marginal product of capital (MP_K) for the pr... |
[
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"value": "An amount of 4 mole of hydrogen gas is taken in a vessel at STP and the vessel is sealed. Now the gas is cooled to $-50^\\circ C$.\\n\\n1. What is the change in internal energy of gas?\\n - (a) $-1400 \\text{ cal}$ (b) $-600 \\text{ cal}$\\n - (c) $-1000 \\text{ cal}$ (d) Z... |
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"value": "Calculate the number of liters of oxygen that are required to completely react with 51g of ammonia. \\[ 4\\text{NH}_3 + 5\\text{O}_2 = 4\\text{NO} + 6\\text{H}_2\\text{O} \\]"
},
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"from": "assistant",
"value": "<think>\nOkay, so I need to figure out how many liters o... |
[
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"value": "Potassium sulphate is isomorphous with potassium chromate which contains 26.79% by mass of chromium. The atomic mass of chromium is \\n (a) 24 \\n (b) 32 \\n (c) 51.96 \\n (d) 53.2"
},
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"from": "assistant",
"value": "<think>\nOkay, so I have this problem ... |
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"value": "From \\frac{y}{(1+y^2)^{1/2}} dy = \\frac{x}{(1+x^2)^{1/2}} dx we obtain (1+y^2)^{1/2} = (1+x^2)^{1/2} + c."
},
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"value": "<think>\nOkay, so I need to figure out how they got from the differential equation \\(\\frac{y}{(1+y^2)^{1/2}} dy = \\frac{... |
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"value": "3.27. Thyroid bioassay results show 2.4 μCi of I-125 currently in the thyroid of a researcher on the day of your thyroid bioassay counting. Investigation determines that this uptake occurred during a single iodination procedure 14 days earlier. Consider the uptake as a single exp... |
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"value": "In the nonoxidative steps of the pentose phosphate pathway, 5-carbon sugars are metabolized back to glucose. The enzymes involved include an isomerase (I), an epimerase (E), transketolases (TK), and a transaldolase (TA). Which enzyme best fits each of the statements below?\\n a... |
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"value": "There exist an equilibrium between solid BaSO₄, Ba²⁺ and SO₄²⁻ ions in aqueous medium. Now, if equilibrium is disturbed by addition of (a) BaNO₃ and (b) K₂SO₄ in different experiments and the equilibrium is re-achieved, then match the columns given below. (Thick line represents t... |
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"value": "\\(\\frac{x}{y^2} \\, dx + (y^3 + \\ln x) \\, dy = 0.\\)"
},
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"value": "<think>\nOkay, so I have this differential equation to solve: (x/y²) dx + (y³ + ln x) dy = 0. Hmm, let me recall what type of equation this might be. It looks like a first-or... |
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"value": "P4.09.02. SALT DISSOLUTION \\n(a) A mass of inert material containing 5 lb salt in its pores is agitated with 10 gals of water. In 5 minutes 2 lbs of salt have dissolved. A saturated solution contains 3 lb salt per gal. When will the salt be 99% dissolved? \\n\\n(b) A mass of i... |
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"value": "The composition of a sample of wüstite is \\( \\text{Fe}_{0.93}\\text{O}_{1.00} \\). What percentage of the iron is present in the form of \\( \\text{Fe(III)}? \\) (1994)"
},
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"from": "assistant",
"value": "<think>\nOkay, so I have this problem here about wüstite, wh... |
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"value": "The attachment of bacteriophage T4 to E. coli K illustrates the value of multiple weak interactions, which allow relative motion until fixed connections are made (Figure 19–3). During infection, T4 first attaches to the surface of E. coli by the tips of its six tail fibers. It th... |
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"value": "What is true about NO and ClO\\(_2\\) ?\\n(a) Both molecules have fractional bond order\\n(b) Both oxides are neutral in nature\\n(c) Both have odd e\\(^-\\) bond in their structures\\n(d) Both are paramagnetic in nature"
},
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"from": "assistant",
"value": "<think>\nO... |
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"value": "11. PCl₅ → PCl₃ + Cl₂\\n- PCl₅ decomposes into PCl₃ and Cl₂ as in its structure two P—Cl axial bonds are longer than other three P—Cl equatorial bonds."
},
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"from": "assistant",
"value": "<think>\nOkay, so I need to figure out why PCl₅ decomposes into PCl₃ and Cl₂ ba... |
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"value": "For the first-order reaction \\( t_{99\\%} = x \\times t_{90\\%} \\). The value of ‘\\( x \\)’ will be \\n (a) 10 \\n (b) 6 \\n (c) 3 \\n (d) 2"
},
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"from": "assistant",
"value": "<think>\nOkay, let's try to figure out this problem. The question is about ... |
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"value": "The crystalline salts of alkaline earth metals contain more water of crystallisation than the corresponding alkali metal salts. Why? (1997)"
},
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"value": "<think>\nOkay, so I need to figure out why the crystalline salts of alkaline earth metals h... |
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"value": "(a) Account for the fact that benzene absorbs at 254 nm in the UV, and phenol, C6H5OH, absorbs at 280 nm. (b) Where would one expect 1,3,5-hexatriene to absorb, relative to benzene?"
},
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"value": "<think>\nOkay, let's tackle part (a) first. The q... |
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{
"from": "user",
"value": "For the reaction: ΔU = ΔH - Δn_g · R · T = (-72.3) - (-1) × 8.314/1000 × 298 = -69.8 kJ As HCl is limiting reagent, for the given amount, ΔU = 2 × (-69.8) = -139.6 kJ"
},
{
"from": "assistant",
"value": "<think>\nOkay, so I need to figure out why the change in interna... |
[
{
"from": "user",
"value": "A methane molecule \\( \\text{CH}_4 \\) consists of four hydrogen atoms, situated at the corners of a regular tetrahedron, with a carbon atom situated at the centre of mass of this tetrahedron. Treating this molecule as a rigid classical object (which can rotate but does not vibr... |
[
{
"from": "user",
"value": "Cyclopentadiene (C) reacts with itself to give a dimer (D):\\n\\n\\[ \\n2C_5H_6 \\rightarrow C_{10}H_{12} \\n\\]\\n\\nWhen this reaction is carried out at constant volume in the gas phase, the total pressure drops because two gaseous moles are converted to one. The change in tota... |
[
{
"from": "user",
"value": "Match the column:\\nColumn-I\\n(a) [Ma_3bcd]\\n(b) [Ma_3b]\\n(c) [Mabcdef]\\n(d) [Ma_2b_2c]\\n\\nColumn-II\\n(p) The number of stereoisomers are two\\n(q) The number of pair of enantiomer is zero\\n(r) The number of stereoisomers are five\\n(s) The pair of enantiomer is one\\n(t)... |
[
{
"from": "user",
"value": "6. What effect would an increase in temperature have on these reactions at equilibrium? Why?\\n\\na. Heat + \\( \\text{H}_2(g) + \\text{I}_2(g) \\rightleftharpoons 2\\text{HI}(g) \\)\\n\\nb. \\( \\text{CH}_4(g) + 2\\text{O}_2(g) \\rightleftharpoons \\text{CO}(g) + 2\\text{H}_2\\t... |
[
{
"from": "user",
"value": "Explain the stoichiometry of fatty acid synthesis\\nCarefully count and account for each of the atoms and charges in the equations for the synthesis of palmitoyl-CoA, the synthesis of malonyl-CoA, and the overall reaction for the synthesis of palmitoyl-CoA from acetyl-CoA."
},
... |
[
{
"from": "user",
"value": "The reaction of sodium thiosulphate with \\( \\text{I}_2 \\) gives: (a) sodium sulphite (b) sodium sulphate (c) sodium iodide (d) sodium tetrathionate"
},
{
"from": "assistant",
"value": "<think>\nOkay, let's see. The question is about the reaction between sodium thio... |
[
{
"from": "user",
"value": "(-5/12)e^{-2t} = (1/4)e^{-2t} - (1/3)e^{-t}"
},
{
"from": "assistant",
"value": "<think>\nOkay, let's see. I need to solve the equation (-5/12)e^{-2t} = (1/4)e^{-2t} - (1/3)e^{-t}. Hmm, all the terms have exponential functions, so maybe I can manipulate the equation t... |
[
{
"from": "user",
"value": "The vapour pressure of a mixture of diethyl aniline and water is 1.013 × 10^5 Nm^{-2} at 99.4°C. The vapour pressure of water at this temperature is 0.992 × 10^5 Nm^{-2}. How many gram of steam are necessary to distill over 100 g of diethyl aniline?"
},
{
"from": "assista... |
[
{
"from": "user",
"value": "Bridgehead Halides Reaction with Silver Nitrate\\n\\nBridgehead halides react with silver nitrate with replacement of the halide. In a study of the reaction of an excess of 1-adamantyl chloride with ethanolic silver nitrate the product, after complete reaction of the nitrate, was... |
[
{
"from": "user",
"value": "How prostaglandins are synthesized?"
},
{
"from": "assistant",
"value": "<think>\nOkay, so I need to figure out how prostaglandins are synthesized. Let me start by recalling what I know about prostaglandins. They're lipid compounds that act like hormones, right? They ... |
[
{
"from": "user",
"value": "The KDEL receptor must shuttle back and forth between the ER and the Golgi apparatus in order to accomplish its task of ensuring that soluble ER proteins are retained in the ER lumen. In which compartment does the KDEL receptor bind its ligands more tightly? In which compartment ... |
[
{
"from": "user",
"value": "[Co(H_2O)(NH_3)_4]Cl_3\\n- Diaminetraqua cobalt(III) chloride"
},
{
"from": "assistant",
"value": "<think>\nOkay, let's see. I need to figure out the correct IUPAC name for the complex ion in [Co(H₂O)(NH₃)₄]Cl₃. The user mentioned \"Diaminetraqua cobalt(III) chloride,... |
[
{
"from": "user",
"value": "A scientist performed an experiment to monitor photosynthesis by a plant. In the experiment, the plant produced 61 g of glucose.\\n a. How many moles of glucose did the plant produce?\\n b. How many moles of \\(O_2\\) did the plant produce?\\n c. How many moles of \\(CO_... |
[
{
"from": "user",
"value": "**Exercise 3.9.4** What happens to the test of \\( \\Lambda' \\beta = d \\) if \\( \\Lambda' \\beta \\) has no estimable part?"
},
{
"from": "assistant",
"value": "<think>\nOkay, so I need to figure out what happens to the test of Λ'β = d when Λ'β has no estimable par... |
[
{
"from": "user",
"value": "Mice that are homozygous for knockout of the gene for either nidogen-1 or nidogen-2 presumably have no phenotype because the two forms of nidogen can substitute for one another. Mice that are homozygous for the mutant form of laminin-γ1, which does not bind nidogen, have a much m... |
[
{
"from": "user",
"value": "How is it that smaller molecules move through a gel-filtration column more slowly than larger molecules, whereas in SDS polyacrylamide-gel electrophoresis (SDS-PAGE) the opposite is true: larger molecules move more slowly than small molecules?"
},
{
"from": "assistant",
... |
[
{
"from": "user",
"value": "Only true peroxides which have O—O bond give hydrogen peroxide with dilute acids. Na2O2 + H2SO4 → Na2SO4 + H2O2."
},
{
"from": "assistant",
"value": "<think>\nOkay, so I need to understand why only true peroxides, which have an O-O bond, produce hydrogen peroxide when... |
[
{
"from": "user",
"value": "Use the Stäckel theory to separate the Helmholtz equation. Compare the result with that given in this chapter."
},
{
"from": "assistant",
"value": "<think>\nOkay, so I need to use Stäckel theory to separate the Helmholtz equation and then compare the result with what'... |
[
{
"from": "user",
"value": "Ketone body utilisation is taking place in which organs?"
},
{
"from": "assistant",
"value": "<think>\nOkay, so I need to figure out which organs use ketone bodies. Let me start by recalling what ketone bodies are. They're molecules produced by the liver when there's ... |
[
{
"from": "user",
"value": "Write structural formulas for major and minor products from acid-catalyzed dehydration of \\(\\text{H}_2\\text{C=CHCH}_2\\text{CH(OH)CH}_3\\)."
},
{
"from": "assistant",
"value": "<think>\nOkay, so I need to figure out the structural formulas for the major and minor p... |
[
{
"from": "user",
"value": "Which of the following have identical bond order?\\n(a) CN⁻\\n(b) O₂⁻\\n(c) NO⁺\\n(d) CN⁺\\n(1992)"
},
{
"from": "assistant",
"value": "<think>\nOkay, so I need to figure out which of these ions have the same bond order. The options are (a) CN⁻, (b) O₂⁻, (c) NO⁺, and ... |
[
{
"from": "user",
"value": "Give structures for compounds 19, 20, 21 and rationalize all spectral data.\\n\\n**Illustration Description:** The Mn complex with carbonyl ligands bound is converted as follows: \\n- Reacts with MeLi in ether to form compound 19.\\n- Compound 19 reacts with NOPF₆ to form compoun... |
[
{
"from": "user",
"value": "For creatine:\\n106. It requires glycine, arginine and methionine for its synthesis\\n107. It acts as a carrier for long chain acyl CoA\\n108. Creatine phosphate contains high energy bond\\n109. It is synthesized in the kidney\\n110. Creatinine is anhydrous creatine"
},
{
... |
[
{
"from": "user",
"value": "Using the auxiliary variable v = u^2, derive the quadratic polynomial IV ODE: x' = -u; u' = -u - uv; v' = -2v - 2v^2."
},
{
"from": "assistant",
"value": "<think>\nOkay, so I need to derive the quadratic polynomial IV ODE given by:\n\nx' = -u,\n\nu' = -u - uv,\n\nv' =... |
[
{
"from": "user",
"value": "A current of 3.7 ampere is passed for 6 hrs. between Ni electrodes in 0.5 litre of \\(2 \\, M\\) solution of \\(Ni(NO_3)_2\\). What will be the molarity of solution at the end of electrolysis?"
},
{
"from": "assistant",
"value": "<think>\nOkay, let's see. The problem ... |
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