Sketch a PV diagram and find the work done by the gas during the following stage

Question

Sketch a PV diagram and find the work done by the gas during the following stages. (a) A gas is expanded from a volume of 1.0 L to 3.3 L at a constant pressure of 2.8 atm. 1 J (b) The gas is then cooled at constant volume until the pressure falls to 2.0 atm. 2 J (c) The gas is then compressed at a constant pressure of 2.0 atm from a volume of 3.3 L to 1.0 L. [Note: Be careful of the signs.] 3 J (d) The gas is heated until its pressure increases from 2.0 atm to 2.8 atm at a constant volume. 4 J (e) Find the net work done during the complete cycle. 5 J

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