Chemistry 12th Edition

Published by McGraw-Hill Education
ISBN 10: 0078021510
ISBN 13: 978-0-07802-151-0

Chapter 15 - Acids and Bases - Questions & Problems - Page 710: 15.11


The forward process of this reaction is endothermic.

Work Step by Step

Analyzing the informations from the question, we can see that, with the raise of the temperature, the ion-product constant increases. The equation for the ion-product constant is: $[H^+] * [OH^-] = K_w$ Which means that, the raise of the constant means the increase of $[H^+]$ and $[OH^-]$ production. Therefore, the increase of heat benefits the forward reaction. Which means that it is a endothermic reaction.
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