9. For the following reaction at 298 K, AS = -308.2 J/K and AH = -192.7 kJ: 4NO(g) N₂O(g) + N₂O₂(g) (1) Is the reaction spontaneous at 298 K? (2) Assuming that AS and AH don't change with T, find AG at 500°C. a) spontaneous, -45.6 kJ b) spontaneous, 45.6 kJ c) nonspontaneous, -45.6 kJ →

9. For the following reaction at 298 K, AS = -308.2 J/K and AH = -192.7 kJ: 4NO(g) N₂O(g) + N₂O₂(g) (1) Is the reaction spontaneous at 298 K? (2) Assuming that AS and AH don't change with T, find AG at 500°C. a) spontaneous, -45.6 kJ b) spontaneous, 45.6 kJ c) nonspontaneous, -45.6 kJ →

Chemistry: Principles and Practice

3rd Edition

ISBN:9780534420123

Author:Daniel L. Reger, Scott R. Goode, David W. Ball, Edward Mercer

Publisher:Daniel L. Reger, Scott R. Goode, David W. Ball, Edward Mercer

Chapter17: Chemcial Thermodynamics

Section: Chapter Questions

Problem 17.64QE

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9. For the following reaction at 298 K, AS = -308.2 J/K and AH =
-192.7 kJ:
4NO(g) N₂O(g) + N₂O₂(g)
(1) Is the reaction spontaneous at 298 K? (2) Assuming that AS and AH
don't change with T, find AG at 500°C.
a) spontaneous, -45.6 kJ
b) spontaneous, 45.6 kJ
c) nonspontaneous, -45.6 kJ

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