Chemistry: The Molecular Nature of Matter and Change 7th Edition

Published by McGraw-Hill Education
ISBN 10: 007351117X
ISBN 13: 978-0-07351-117-7

Chapter 17 - Problems - Page 771: 17.63

Answer

(a) CO is on the left side, adding it causes a shift to the right ( toward products). (b) $CO_2$ is on the right side, removing it causes a shift to the right (toward products). (c) $Fe_3O_4$ is a solid in this reaction, so its concentration do not affect equilibrium. (d) Dry ice is made of $CO_2$ molecules. $CO_2$ is on the right side, adding it causes a shift to the left (toward reactants).

Work Step by Step

According to Le Chatelier's Principle, adding a reactant or a product shifts the equilibrium to the opposite side, and removing some shifts the equilibrium to the same side. (a) CO is on the left side, adding it causes a shift to the right ( toward products). (b) $CO_2$ is on the right side, removing it causes a shift to the right (toward products). (c) $Fe_3O_4$ is a solid in this reaction, so its concentration do not affect equilibrium. (d) Dry ice is made of $CO_2$ molecules. $CO_2$ is on the right side, adding it causes a shift to the left (toward reactants).
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