Answer
C
Work Step by Step
One of the reactants is solid and one of the products is gaseous and since the standard entropy of gases is generally higher than in solids, the standard entropy change must be positive.
Chemistry and Chemical Reactivity (9th Edition)
by Kotz, John C.; Treichel, Paul M.; Townsend, John R.; Treichel, David A.
Published by
Cengage Learning
ISBN 10:
1133949649
ISBN 13:
978-1-13394-964-0
Chapter 18 Principles of Chemical Reactivity: Entropy and Free Energy - 18-4 Entropy Measurement and Values - Review & Check for Section 18-4 - Page 691: 2
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