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Three moles of CO(2) gas expands isother...

Three moles of `CO_(2)` gas expands isothermally (in thermal contact with the surroundings, temperature `= 15.0^(@)C`) against a fixed external pressure of `1.00` bar. The initial and final volumes of the gas are `10.0 L` and `30.0L`, respectively. ltbr. Change in entropy of the universe is

A

`34.34 JK^(-1)`

B

`-34.34 JK^(-1)`

C

`20.46 JK^(-1)`

D

`-20.46 JK^(-1)`

Text Solution

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The correct Answer is:
C
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