Essential University Physics: Volume 1 (3rd Edition)

Published by Pearson
ISBN 10: 0321993721
ISBN 13: 978-0-32199-372-4

Chapter 19 - Exercises and Problems: 53

Answer

12.1 KJ/K

Work Step by Step

We know that the entropy of vaporization of water is $109.2\frac{J}{molK}$, and we know that 2 kg of water is 111 moles. Thus, we find: $\Delta S = 111.05 \times 109.02 \approx 12.1 KJ/K $
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