Answer
A
Work Step by Step
$\Delta S_r^0=2 S^0(H_2O(l))-2 S^0(H_2(g))-S^0(O_2(g))$
$\Delta S_r^0=2\times69.95-2\times130.7-205.07$
$\Delta S_r^0=-326.57\ J/K.mol-rxn$
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 - 18-4 Entropy Measurement and Values - Review & Check for Section 18-4 - Page 691: 3
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