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Ideal Gas Equation from KTG

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Question

Starting with the same initial conditions, an ideal gas expands from volume $V_{1}$ to $V_{2}$ . The amount of work done by the gas is greatest when the expansion is :

isothermal

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isobaric

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adiabatic

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equal in all cases

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Solution

The correct option is B isobaric
At constant pressure, the PV curve enclose maximum area under itself.
Hence, work will be maximum in that case compare to work in other processes.

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