1. Given the AH° and AS°, calculate the AG° values for the following reactions and indicate whether the reaction is spontaneous at standard conditions. If a reaction is not spontaneous, state what may be done to make the reaction spontaneous. AH° (kJ) AS° (J/K) a. Cgraphite) + 2H2@ b. CH3CH3 c. N2 + 2H2g) CH4) H2 -74.9 +186.3 +121 + C2H4g) N2H4 +137 +50.6 -331

1. Given the AH° and AS°, calculate the AG° values for the following reactions and indicate whether the reaction is spontaneous at standard conditions. If a reaction is not spontaneous, state what may be done to make the reaction spontaneous. AH° (kJ) AS° (J/K) a. Cgraphite) + 2H2@ b. CH3CH3 c. N2 + 2H2g) CH4) H2 -74.9 +186.3 +121 + C2H4g) N2H4 +137 +50.6 -331

Chemistry

9th Edition

ISBN:9781133611097

Author:Steven S. Zumdahl

Publisher:Steven S. Zumdahl

Chapter17: Spontaneity, Entropy, And Free Energy

Section: Chapter Questions

Problem 7RQ: If you calculate a value for G for a reaction using the values of Gf in Appendix 4 and get a...

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