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Consider a mixture of n moles of helium gas and 2n moles of oxygen gas (molecules taken to be rigid) as an ideal gas. Its $C_{P} / C_{V}$ value will be :

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Correct option is C

For Heliummonoatomic gas cv1=32R and cp1=52R Here n1=nFor oxygendiatomic gas cv2=52R and cp2=72R Here n2=2nγmix=n1cp1+n2cp2n1cv1+n2cv2=n52R+2n72Rn32R+2n52R=5+145+10=1913

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Consider a mixture of n moles of helium gas and 2n moles of oxygen gas (molecules taken to be rigid) as an ideal gas. Its CP/CV value will be :

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Consider a mixture of n moles of helium gas and 2n moles of oxygen gas (molecules taken to be rigid) as an ideal gas. Its $C_{P} / C_{V}$ value will be :