PChem Quiz 2

PChem Quiz 2 - D 1 mole of water vapor at 30 °C E 1 mole...

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The interaction between two mutually induced dipoles can best be described as a hydrophobic interaction. True False The hydrogen bond enthalpy is typically around A. 0 - 5 J/mol B. 15 -20 J/mol C. 0 - 5 kJ/mol D. 15 - 20 kJ/mo Which method below can be used to measure the enthalpy of tRNA unfolding. A. Isothermal Titration Calorimetry B. Differential Scanning Calorimetry C. Both ITC and DSC D. Neither ITC nor DSC
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Which method below is best used to analyze mutations that affect protein stability. A. Isothermal Titration Calorimetry B. Differential Scanning Calorimetry C. Both ITC and DSC D. Neither ITC nor DSC Which method below can be used to measure the rate of ligand binding. A. Isothermal Titration Calorimetry B. Differential Scanning Calorimetry C. Both ITC and DSC D. Neither ITC nor DSC Which of the following has the highest entropy? A. 1 mole of regular ice at -10 °C B. 1 mole of liquid water at 30 °C C. 1 mole of water under 10 atm of pressure at -10 °C
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Unformatted text preview: D. 1 mole of water vapor at 30 °C E. 1 mole of "dry ice" at -10 °C The entropy of a pure perfect crystal at 25 K is zero. True False Choose the correct statements concerning entropy. I) As two gasses mix, ΔS is positive. II) Entropy is a thermodynamic property related to the degree of disorder. III) A temperature in a gas decreases, ΔS is positive. IV) Molecules in the liquid state have higher entropy than molecules in the gaseous state. A. I, II, IV B. I and III C. II and III D. I, II, III E. I and II Which of the following processes would NOT result in an increase in entropy? A. a glass of cool lemonade warming in the sun B. melting of an ice cube C. evaporation of a puddle of gasoline D. condensation of water vapor on a cold windshield E. sublimation of a moth ball If a process is spontaneous, the reverse process is nonspontaneous. True False...
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PChem Quiz 2 - D 1 mole of water vapor at 30 °C E 1 mole...

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