Chemistry (12th Edition)

Published by Prentice Hall
ISBN 10: 0132525763
ISBN 13: 978-0-13252-576-3

Chapter 19 - Acids, Bases, and Salts - 19 Assessment: 138

Answer

To relieve the stress caused by increased pressure, the reaction will shift towards the side that has the less number of gas molecules, the right. The addition of a catalyst is not related to the direction of equilibrium in a chemical reaction. It effects the rate of the reaction. No change , therefore will occur. To relieve the stress caused by cooling the reaction mixture, the direction of the equilibrium will shift to the right , which produces heat , which compensates for the cooling of the reaction mixture.

Work Step by Step

To relieve the stress caused by increased pressure, the reaction will shift towards the side that has the less number of gas molecules, the right. The addition of a catalyst is not related to the direction of equilibrium in a chemical reaction. It effects the rate of the reaction. No change , therefore will occur. To relieve the stress caused by cooling the reaction mixture, the direction of the equilibrium will shift to the right , which produces heat , which compensates for the cooling of the reaction mixture.
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