Conceptual Physics (12th Edition)

Published by Addison-Wesley
ISBN 10: 0321909100
ISBN 13: 978-0-32190-910-7

Chapter 17 - Reading Check Questions (Comprehension): 23

Answer

Foreign ions interfere with the attraction of water molecules for each other, impeding ice crystal formation. A slower motion of the water molecules is required for the freezing process to be completed, which lowers the freezing point.

Work Step by Step

This is discussed on page 327.
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