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One mole of non`-` ideal gas undergoes a change of state `(1.0 atm, 3.0L, 200 K )` to `(4.0 atm, 5.0L,250 K)` with a change in internal energy `(DeltaU)=40 L-atm`. The change in enthalpy of the process in `L-atm`,
A. 43
B. 57
C. 42
D. None of these

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When both P and V are changing
`DeltaH=DeltaU=+Delta(PV)" "=DeltaU+(P_(2)V_(2)-P_(1)V_(1))=40+(20-3)" "=57L-atm`

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