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Question:

Equal volumes of two monoatomic gases, A and B, at the same temperature and pressure are mixed. The ratio of specific heats (Cp/Cv) of the mixture will be:

1.50

1.67

0.83

3.3

Solution:

For monoatomic Cp/Cv = γ = 1.67

Equal volumes of two monoatomic gases so γ will remain same.