Kinetic Theory Of Gases Question 81

Question: The specific heats at constant pressure is greater than that of the same gas at constant volume because

Options:

A) at constant pressure work is done in expanding the gas

B) at constant volume work is done in expanding the gas

C) the molecular attraction increases more at constant pressure

D) the molecular vibration increases more at constant pressure

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Answer:

Correct Answer: A

Solution:

[a] Work done is to be done in expanding the gas at constant pressure.