What is the entropy change when 1 mole o...

What is the entropy change when 1 mole oxygen gas expands isothermally and reversibly from an initial volume of 10 L to 100 L at 300 K ?

A

`"19.14 J K"^(-1)`

B

`"109.12 J K"^(-1)`

C

`"29.12 J K"^(-1)`

D

`"10 J K"^(-1)`

Text Solution

Verified by Experts

The correct Answer is:

A

`DeltaS=2.303nR log .(V_(2))/(V_(1))`
`=2.303xx1xx8.314log.(100)/(10)="19.14 J K"^(-1)`

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