Chemistry: The Molecular Science (5th Edition)

Published by Cengage Learning
ISBN 10: 1285199049
ISBN 13: 978-1-28519-904-7

Chapter 9 - Liquids, Solids, and Materials - Questions for Review and Thought - Review Questions - Page 421: 7e

Answer

exothermic

Work Step by Step

We know that processes that involve going from gas to liquid and from liquid to solid release energy since the particles have less energy in solid state than in the liquid or gas state. Going the reverse direction involves the particles gaining energy, making it endothermic.Thus, the given process is exothermic.
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