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2 ENTROPY protein lysozyme unfolds at a transition temperature of 75.5°C, with a standard enthalpy of transition of 509.0 kJ mol-1. (a) What is the entropy of unfolding of lysozyme at 75.5°C? (b) Knowing that the constant-pressure heat capacity of lysozyme is 6.28 kJ K³ mol greater in its unfolded state than in its folded state, what is the entropy of unfolding at 25.0°C? Hints: (a) Folding and unfolding can be described by an expression for a reversible phase tran- folded and unfolded state, respectively) such that they include the difference in heat capacities sition (e.g. solid-liquid). (b) Rewrite the expressions for the two terms including cp data (for for which you can then use 6.28 kJ K³ mot!.

2 ENTROPY protein lysozyme unfolds at a transition temperature of 75.5°C, with a standard enthalpy of transition of 509.0 kJ mol-1. (a) What is the entropy of unfolding of lysozyme at 75.5°C? (b) Knowing that the constant-pressure heat capacity of lysozyme is 6.28 kJ K³ mol greater in its unfolded state than in its folded state, what is the entropy of unfolding at 25.0°C? Hints: (a) Folding and unfolding can be described by an expression for a reversible phase tran- folded and unfolded state, respectively) such that they include the difference in heat capacities sition (e.g. solid-liquid). (b) Rewrite the expressions for the two terms including cp data (for for which you can then use 6.28 kJ K³ mot!.

Chemistry
Chemistry
10th Edition
ISBN:9781305957404
Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Publisher:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Chapter1: Chemical Foundations
Section: Chapter Questions
Problem 1RQ: Define and explain the differences between the following terms. a. law and theory b. theory and...
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2 ENTROPY protein lysozyme unfolds at a transition temperature of 75.5°C, with a standard enthalpy of transition of 509.0 kJ mol-1. (a) What is the entropy of unfolding of lysozyme at 75.5°C? (b) Knowing that the constant-pressure heat capacity of lysozyme is 6.28 kJ K³ mol greater in its unfolded state than in its folded state, what is the entropy of unfolding at 25.0°C? Hints: (a) Folding and unfolding can be described by an expression for a reversible phase tran- folded and unfolded state, respectively) such that they include the difference in heat capacities sition (e.g. solid-liquid). (b) Rewrite the expressions for the two terms including cp data (for for which you can then use 6.28 kJ K³ mot!.
Transcribed Image Text:2 ENTROPY protein lysozyme unfolds at a transition temperature of 75.5°C, with a standard enthalpy of transition of 509.0 kJ mol-1. (a) What is the entropy of unfolding of lysozyme at 75.5°C? (b) Knowing that the constant-pressure heat capacity of lysozyme is 6.28 kJ K³ mol greater in its unfolded state than in its folded state, what is the entropy of unfolding at 25.0°C? Hints: (a) Folding and unfolding can be described by an expression for a reversible phase tran- folded and unfolded state, respectively) such that they include the difference in heat capacities sition (e.g. solid-liquid). (b) Rewrite the expressions for the two terms including cp data (for for which you can then use 6.28 kJ K³ mot!.
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