One mole of ideal monoatomic gas (gamma = 5/3) is mixed with one mole of diatomic gas (gamma = 7/5)

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12.Kinetic Theory of Gases

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One mole of ideal monoatomic gas $(\gamma = 5/3)$ is mixed with one mole of diatomic gas $(\gamma = 7/5)$ . What is $\gamma $ for the mixture ? $\gamma $ denotes the ratio of specific heat at constant pressure, to that at constant volume

A

$3/2$

B

$23/15$

C

$35/23$

D

$4/3$

Solution

$\frac{\mu_1}{\gamma_1-1}+\frac{\mu_2}{\gamma_2-1}=\frac{\mu_1+\mu_2}{\gamma_{mix}-1}$

Standard 11

Physics

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