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Two moles of ideal gas at 27^(@)C temper...

Two moles of ideal gas at `27^(@)C` temperature is expanded reversibly from 2 litre to 20 liter. Find entropy change `(R=2cal//molK)` .

A

92.1

B

0

C

4

D

9.2

Text Solution

Verified by Experts

The correct Answer is:
D

`Delta S =2.303 nR log_(10)"" (V_(2))/(V_(1))=2.303 xx2xx2=9.2`
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