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One mole of a monoatomic ideal gas is m...

One mole of a monoatomic ideal gas is mixed with one mole of a diatomic ideal gas . The molar specific heat of the mixture at constant volume is

A

`(3//2)R`

B

`(5//2)`

C

2 R

D

4 R

Text Solution

Verified by Experts

The correct Answer is:
C
Molar specific heat of the mixture `C_(v)=(n_(1)C_(v_(1))+n_(2)C_(v_(2)))/(n_(1)+n_(2))`
`=(1xx(3)/(2)R+1xx(5)/(2)R)/(1+1)=2R`
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