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`71g` of chlorine gas is allowed to expand freely into vacuum Calculate w.q `DeltaU` and `DeltaH` .

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`71g` of chlorine gas is allowed to expand freely into vacuum Calculate w.q `DeltaU` and `DeltaH` .
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`P_(ex) =0, w =- P_(ex) (V_(2)-V_(1)) =- 0 (V_(2)-V_(1)) = 0`
As tempertaure is not given assume it as constant.
`:. DeltaU = 0, DeltaU =q +w, q =0`
`0 =q+0 DeltaH = 0`
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