4. 5. NAME Consider the reaction CuCl2(aq) + H2(g) → Cu(s) + HCl(aq) How will each of the following changes affect the free energy of reaction? Circle one per line. Change to System AGrxn Will Increasing the concentration of CuCl2(aq) Increase Decrease Kemain the Same Decreasing the partial pressure of H2(g) Remain the Increase Decrease Same Adding HNO3 to the system. Remain the Increase Decrease Same A. A reaction has the following properties at 400.K: AHrxn=5.0 kJ/mol; ASrxn=20.0 J/(mol) Answer each of the following: Calculate the free energy of the reaction at 400.K and state whether it is spontaneous: 3 B. Based on the information given, estimate the lowest temperature at which the reaction is spontaneous. The answer does not need to be exact, but should be based on reasonable assumptions. Show your work.

4. 5. NAME Consider the reaction CuCl2(aq) + H2(g) → Cu(s) + HCl(aq) How will each of the following changes affect the free energy of reaction? Circle one per line. Change to System AGrxn Will Increasing the concentration of CuCl2(aq) Increase Decrease Kemain the Same Decreasing the partial pressure of H2(g) Remain the Increase Decrease Same Adding HNO3 to the system. Remain the Increase Decrease Same A. A reaction has the following properties at 400.K: AHrxn=5.0 kJ/mol; ASrxn=20.0 J/(mol) Answer each of the following: Calculate the free energy of the reaction at 400.K and state whether it is spontaneous: 3 B. Based on the information given, estimate the lowest temperature at which the reaction is spontaneous. The answer does not need to be exact, but should be based on reasonable assumptions. Show your work.

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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