One mole of an ideal monoatomic gas is mixed with one mole of an ideal diatomic gas. The molar specific heat of the mixture at constant volume is (in Calories)

Question

One mole of an ideal monoatomic gas is mixed with one mole of an ideal diatomic gas. The molar specific heat of the mixture at constant volume is (in Calories),

MARKS App · Accepted Answer

C v,m = 3 2 R (for monoatomic gas) C v,m = 5 2 R (for diatomic gas) for the mixture, (C v,m ) mix = 3 2 R × 1 + 5 2 R × 1 1 + 1 = 2 R ∴ (C v,m ) mix = 4 cal

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