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 - Applying Concepts - Page 421e: 109


$SO_2$ will have a lower vapor pressure.

Work Step by Step

The fact that $SO_2$ has a higher boiling point than $NH_3$ suggests that it also has stronger intermolecular forces. Because of this, atoms will be less able to overcome the intermolecular forces and vaporize, leading to a lower vapor pressure.
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