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  4. To calculate the amount of work done in joules during reversible isothermal expansion of an ideal gas, the volume must be expressed in

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Q. To calculate the amount of work done in joules during reversible isothermal expansion of an ideal gas, the volume must be expressed in

Thermodynamics

Solution:

Work done in a reversible isothermal expansion may be given as :

$W=2.303 \,nRT\, \log \frac{V_{2}}{V_{1}}$, as

$V_{2}$ and $V_{1}$ are taken in a ratio.

Thus, the unit taken does not matter.