Answer
See explanation below.
Work Step by Step
The slope of the tangent line on a P-T plot is always proportional to the vaporized enthalpy of the substance at that temperature. Therefore, option (a) is the correct answer.
Thermodynamics: An Engineering Approach 8th Edition
by Cengel, Yunus; Boles, Michael
Published by
McGraw-Hill Education
ISBN 10:
0-07339-817-9
ISBN 13:
978-0-07339-817-4
Chapter 12 - Thermodynamic Property Relations - Problems - Page 685: 12-101
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