The same amount of heat is added to an ideal monatomic gas (M) and an ideal diat

Question

The same amount of heat is added to an ideal monatomic gas (M) and an ideal diatomic gas (D), both of which contain the same number of moles and are initially at the same temperature. As a result, their temperatures change. Which statement accurately compares their temperature changes and why? A. The temperature increase is less for M, since it has fewer degrees of freedom. B. The temperature increase is more for D, since it has fewer degrees of freedom. C. The temperature increase is less for D, since it has more degrees of freedom. D. The temperature increase is more for M, since it has more degrees of freedom.

Explanation / Answer

Temperature rise of a gas depends on how much energy is used in translational degree of freedom.

The more the degrees of freedom for a gas, less amount of energy gained is used for translational degree of freedom so the temperature rise is less

so for D the temperature rise is less due to more degrees of Freedom .. ans C

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