One mole of a monatomic ideal gas is mix...

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

A

R

B

3R

C

2.5 R

D

2R

Text Solution

Verified by Experts

The correct Answer is:

D

`C_(v)=(n_(1)C_(v_(1))+n_(2)C_(v_(2)))/(n_(1)+n_(2))=((1)(3/2R)+(1)(5/2R))/(1+1)=2R`

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