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14 g of N(2) gas is heated in a closed r...

`14 g of N_(2)` gas is heated in a closed rigid container to increase its temperature from `23^(@)C` to `43^(@)C`. The amount of heat supplied to the gas is

A

25cal

B

50cal

C

100cal

D

30cal

Text Solution

Verified by Experts

The correct Answer is:
B

In a closed container, `DeltaV=0`
`therefore DeltaQ=DeltaU=nC_(v)DeltaT(C_(v)=(R)/(gamma-1))`
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