Chemistry: The Central Science (13th Edition)

by Brown, Theodore E.; LeMay, H. Eugene; Bursten, Bruce E.; Murphy, Catherine; Woodward, Patrick; Stoltzfus, Matthew E.

Published by Prentice Hall

ISBN 10: 0321910419

ISBN 13: 978-0-32191-041-7

Chapter 19 - Chemical Thermodynamics - Additional Exercises - Page 851: 19.90

Answer

There is no mistake in the calculation.

Work Step by Step

The second law states that in a spontaneous process the entropy of the universe increases. In the example given, the entropy of the system decreases but is more than offset by the increase in entropy of the surroundings.

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