Chemistry 10th Edition

Published by Brooks/Cole Publishing Co.
ISBN 10: 1133610668
ISBN 13: 978-1-13361-066-3

Chapter 1 - The Foundations of Chemistry - Exercises - Conceptual Exercises - Page 40: 80

Answer

The first represents liquid water. The second represents ice.

Work Step by Step

In the first image, molecules are closer together per unit volume than in the second image. In other words, the density is higher in the first case. Moreover, the first image lacks the crystalline structure present in ice. Since the density of liquid water is higher than that of ice, the first image corresponds to liquid water and the second to ice.
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