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An ideal gas goes around the cycle shown in the triangle shaped PV diagram, A-C-B-A. The pressure changes between P1 and
4P1, and the volume changes between V1 and 3V, as shown.
What is the total work done by the gas during the process from point C to point B?
4P,
V1
3V1
+3P1V1
- 3P¡V1
O +5P¡V1
O - 5P1V1
O No work is done

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