Chemistry: The Central Science (13th Edition)

Published by Prentice Hall
ISBN 10: 0321910419
ISBN 13: 978-0-32191-041-7

Chapter 19 - Chemical Thermodynamics - Exercises - Page 848: 19.25b


$\Delta$S = 89.2 J/K

Work Step by Step

$\Delta$ S = $\frac{\Delta H_{vap}}{T}$ $\Delta$ S = $\frac{(29.6 kJ/mol)(1.00 mol)}{(58.8^{\circ}C+273.15)}$ $\Delta$ S = 0.08917005573 kJ/K Since $\Delta $ S unit is J/K, you need to convert kJ to J. $\Delta $ S = 0.08917005573 kJ/K $\frac{(1000J)}{(1kJ)}$ $\Delta $ S = 89.2 J/K
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