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 for Today: General, Organic, and Biochemistry

9th Edition

ISBN:9781305960060

Author:Spencer L. Seager, Michael R. Slabaugh, Maren S. Hansen

Publisher:Spencer L. Seager, Michael R. Slabaugh, Maren S. Hansen

Chapter8: Reaction Rates And Equilibrium

Section: Chapter Questions

Problem 8.6E: Describe the energy and entropy changes that occur in the following processes, and indicate whether...

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