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2 moles of an ideal gas at 27^(@)C temp...

2 moles of an ideal gas at `27^(@)C ` temperature is expanded reversibly from 2 L to 20 L . Find entropy change (R=2 cal/mol K).

A

`92.1`

B

`0`

C

`4`

D

`9.2`

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The correct Answer is:
D
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