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 - Topical Questions - Page 421b: 34

Answer

The intermolecular forces of $H_2O$ are much stronger than those of $H_2S$.

Work Step by Step

Water's high fusion enthalpy compared to $H_2S$ is a result of the stronger intermolecular forces. Water contains hydrogen bonds, which makes its intermolecular forces much stronger than those of $H_2S$, which contains weaker, dipole-dipole bonds.
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