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5 mole of an ideal gas expands reversibl...

5 mole of an ideal gas expands reversibly from a volume of `8" dm"^(3)" to "80" dm"^(3)` at a temperature of `27^(@)C.` The change in entropy is

A

`41.57 JK^(-1)`

B

`-95.73 JK^(-1)`

C

`95.73 JK^(-1)`

D

`-41.57 JK^(-1)`

Text Solution

Verified by Experts

The correct Answer is:
C
`Delta S = 2.303 nR log ((V_(2))/(V_(1)))`
`Delta S = 2.303xx5xx8.314 log ((80)/(8))`
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