1.

A gaseous system undergo a change of state from (1) to (2) by any of the given path -I or path-II as shown in figure As per path-I, Deltaq=-400 cal and Deltaq=-48cal Therefore work done, DeltaW in path -(II) is-

Answer»

`-338 CALS`
`-366 cals`
`-434 cals`
`-462 cals`

Solution :For path`-IDeltaE_(I)=Deltaq+DeltaW=-400+14`
=-386 cals
For path-II,`""DeltaE_(II)=DeltaE_(I)=-48+DeltaW`
`THEREFORE DeltaW=-386+48=-338cal`


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