General Chemistry 10th Edition

Published by Cengage Learning
ISBN 10: 1-28505-137-8
ISBN 13: 978-1-28505-137-6

Chapter 18 - Thermodynamics and Equilibrium - Questions and Problems - Page 773: 18.81

Answer

Please see the work below.

Work Step by Step

We know that at room temperature $\Delta G$ should be positive but at high temperature it should be negative. Hence, at higher temperature $-T\Delta S$ becomes negative.
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