1.

The entropy change involved in the isothermal reversible expansion of 2 moles of an ideal gas from a volume of `10 dm^(3)` to a volume of `100dm^(3)` at `27^(@)C` isA. `35.8 J mol^(-1) K^(-1)`B. `32.3 J mol^(-1) K^(-1)`C. `42.3 J mol^(-1) K^(-1)`D. `38.3 J mol^(-1) K^(-1)`

Answer» Correct Answer - D
`DeltaS=2.303 nR "log" V_(2)/V_(1)`


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