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Preparation of Hydrogen from Cold Water and Metals

Four moles of...

Question

Four moles of O₂ are mixed with two moles of Helium. What will be the ratio of specific heats of constant pressure and constant volume for the mixture?

A

6.5

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B

4

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C

1.5

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D

1.79

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Solution

The correct option is C
1.5

For a monoatomic gas like helium γ_he= 5/3

For a diatomic gas like oxygen γ_o= 7/5

For γ of the mixture, one has to take weighted average of the two gases

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Preparation of Hydrogen from Cold Water and Metals

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