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Question: For a gas \(\frac{R}{C_{v}} = 0.67\). This gas is made up of molecules which are...

For a gas RCv=0.67\frac{R}{C_{v}} = 0.67. This gas is made up of molecules which are

A

Diatomic

B

Mixture of diatomic and polyatomic molecules

C

Monoatomic

D

Polyatomic

Answer

Monoatomic

Explanation

Solution

By comparing with relation Cv=Rγ−1C_{v} = \frac{R}{\gamma - 1} we get γ−1=0.67\gamma - 1 = 0.67 or γ = 1.67 i.e. the gas is monoatomic.