Thermodynamics: An Engineering Approach 8th Edition

Published by McGraw-Hill Education
ISBN 10: 0-07339-817-9
ISBN 13: 978-0-07339-817-4

Chapter 3 - Properties of Pure Substances - Problems - Page 151: 3-4C

Answer

Because one cannot be varied while holding the other constant. In other words, when one changes, so does the other one.

Work Step by Step

Because one cannot be varied while holding the other constant. In other words, when one changes, so does the other one.
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