Chemistry: The Central Science (13th Edition)

Published by Prentice Hall
ISBN 10: 0321910419
ISBN 13: 978-0-32191-041-7

Chapter 19 - Chemical Thermodynamics - Exercises - Page 846: 19.8a

Answer

The system is at equilibrium at 250K.

Work Step by Step

The system is at equilibrium when Gibbs Free Energy is zero. This occurs when $\Delta$H = T$\Delta$S, which happens at 250K in this reaction, as indicated by the graph.
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