An ideal gas expands from volume V1 to V2 in three different ways. The work done by the gas isW1if the process is purely isothermal, W2 if purely isobaric and W3 if purely adiabatic. Then, by using the equations and the area of the P-V diagram, compare the works done for all three processes in which change is the least and is maximum. Draw the P-V diagram for each process.

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