Answer
$112\,J/K\cdot mol$
Work Step by Step
$\Delta_{r}S^{\circ}=\frac{\Delta H_{vap}}{T_{b}}=\frac{39.3\times1000\,J/mol}{(78.0+273.15)K}$
$=112\,J/K\cdot mol$
Chemistry and Chemical Reactivity (9th Edition)
by Kotz, John C.; Treichel, Paul M.; Townsend, John R.; Treichel, David A.
Published by
Cengage Learning
ISBN 10:
1133949649
ISBN 13:
978-1-13394-964-0
Chapter 18 Principles of Chemical Reactivity: Entropy and Free Energy - Study Questions - Page 711d: 43
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