Answer
C
Work Step by Step
The work is done by the system: $w\lt0$
$w=-P\Delta V\rightarrow \Delta V\gt0$
For an increase in the volume, the number of moles of gas needs to increase, as in reaction C.
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 5 Principles of Chemical Reactivity: Energy and Chemical Reactions - 5-4 The First Law of Thermodynamics - Review & Check for Section 5-4 - Page 198: 2
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