Chemistry: Molecular Approach (4th Edition)

Published by Pearson
ISBN 10: 0134112830
ISBN 13: 978-0-13411-283-1

Chapter 18 - Section 18.3 - Entropy and the Second Law of Thermodynamics - Conceptual Connection: 18.2

Answer

The change in (a) has a positive $\Delta S$.

Work Step by Step

Entropy increases when the particles of the system are spread out more. In (a), the particles are spread across the three boxes, so (a) has a positive $\Delta S$.
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