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10) For a reaction that occurred at 197.0°C, the enthalpy change, AH, was found to be +26.5 kJ/mol and the free energy change, AG, was found to be - 46 kJ/mol. a. Find AS for this process as 197.0°C. b. What is the principal force that is driving this reaction in the forward direction, AS or AH? Explain. c. If the temperature of the system decreased dramatically, could this process become non-thermodynamically favored? Justify your answer.

10) For a reaction that occurred at 197.0°C, the enthalpy change, AH, was found to be +26.5 kJ/mol and the free energy change, AG, was found to be - 46 kJ/mol. a. Find AS for this process as 197.0°C. b. What is the principal force that is driving this reaction in the forward direction, AS or AH? Explain. c. If the temperature of the system decreased dramatically, could this process become non-thermodynamically favored? Justify your answer.

Chemistry for Engineering Students
Chemistry for Engineering Students
4th Edition
ISBN:9781337398909
Author:Lawrence S. Brown, Tom Holme
Publisher:Lawrence S. Brown, Tom Holme
Chapter10: Entropy And The Second Law Of Thermodynamics
Section: Chapter Questions
Problem 10.44PAE: There is another free energy state function, the Helmholtz free energy (A), defined as A = E — TS....
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10) For a reaction that occurred at 197.0°C, the enthalpy change, AH, was found to be +26.5 kJ/mol and the free energy change, AG, was found to be - 46 kJ/mol. a. Find AS for this process as 197.0°C. b. What is the principal force that is driving this reaction in the forward direction, AS or AH? Explain. c. If the temperature of the system decreased dramatically, could this process become non-thermodynamically favored? Justify your answer.
Transcribed Image Text:10) For a reaction that occurred at 197.0°C, the enthalpy change, AH, was found to be +26.5 kJ/mol and the free energy change, AG, was found to be - 46 kJ/mol. a. Find AS for this process as 197.0°C. b. What is the principal force that is driving this reaction in the forward direction, AS or AH? Explain. c. If the temperature of the system decreased dramatically, could this process become non-thermodynamically favored? Justify your answer.
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