Chemistry: A Molecular Approach (3rd Edition)

Published by Prentice Hall
ISBN 10: 0321809246
ISBN 13: 978-0-32180-924-7

Chapter 17 - Sections 17.1-17.9 - Exercises - Conceptual Problems - Page 858: 108

Answer

(b) The sublimation of dry ice.

Work Step by Step

Entropy decreases when water is condensed or freezed as the mobility of particles decreases. But in the case of sublimation of dry ice, entropy increases as the change is from restricted solid state to more mobile gaseous state. The correct option is (b).
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