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**1. The problem statement, all variables and given/known data**

It is said that the work done between 2 isothermals is independent of the adiabatic.

**2. Relevant equations**

The work done during an adiabatic process is given by,

W = C(v){T1 – T2)

**3. The attempt at a solution**

From the above equation it is clear that W depends only on the initial and final temperatures. So W is the same along any adiabatic curve. But work is a path function. Then the work done along different adiabatic curves should be different. It is contradictory to each other. Could somebody please clear my doubt? Here C(v) is the specific heat of the gas at constant volume.