Chemistry: The Molecular Science (5th Edition)

Published by Cengage Learning
ISBN 10: 1285199049
ISBN 13: 978-1-28519-904-7

Chapter 16 - Thermodynamics: Directionality of Chemical Reactions - Problem Solving Practice 16.2 - Page 704: b



Work Step by Step

Entropies of gases are usually much larger than those of solids. So, Ar(g) is expected to have greater entropy than that of Ca(s). We see from table 16.1 that our prediction is correct. $S^{\circ}(Ca,s)=41.42\,JK^{-1}mol^{-1}$ $S^{\circ}(Ar,g)=154.7\,JK^{-1}mol^{-1}$
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