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In isothermal free expansion of an ideal...

In isothermal free expansion of an ideal gas find the value of q and `DeltaU.`

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`triangleU =q+ W`
In case of free expansion of a gas in isothermal process.
W= 0, q= 0, `triangleU =0.`
Work done W=0. `(P_("exp")= 0)`
`q=0, U=0`
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