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zero, because in free expansion volume of gas increase against any resistance.
During free expansion, no work is done by the gas. The gas goes through states of no thermodynamic equilibrium before reaching its final state, which implies that one cannot define thermodynamic parameters as values of the gas as a whole. So work done in a free expansion process is Zero.
My answer is "A" -0
Free expansion is an irreversible process in which a gas expands into an insulated evacuated chamber. ... During free expansion, no work is done by the gas.
During free expansion, no work is done by the gas.
So answer is A. Zero.
A ideally and B in reality
Option A
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