Chemistry and Chemical Reactivity (9th Edition)

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



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.
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