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  4. The work done, V/during an isothermal process in which 1 mole of the gas expands from an initial volume V1 to a final volume V2 is given by: (R=gas constant, T= temperature)

Q. The work done, V/during an isothermal process in which 1 mole of the gas expands from an initial volume to a final volume is given by: (R=gas constant, T= temperature)

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Solution:

Work done during isothermal process in expanding volume of gas from to is given by



(as )

For expansion of 1 mole of gas, i.e.,

Note: For a process to be isothermal, any heat flow into or out of the system must occur slowly enough, so that thermal equilibrium is maintained.

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