1.

When 5 moles of an ideal gas is expended at 350 K reversibly from 5 L to 40 L, then the entropy change for the process is (R = 2 cal mol^-1 K^-1)

Answer»

`9.01 CAL K^-1`
`20.8 cal K^-1`
`-15.2 cal K^-1`
`22.3 cal K^-1`

ANSWER :C


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