
(a)
Interpretation: The expression that is used to find the speed of sound in a perfect gas of diatomic molecules at high temperature has to be stated.
Concept introduction: The ratio of heat capacity of a gas at constant pressure with the heat capacity of a gas at constant volume is known as heat capacity ratio. It is denoted by
(b)
Interpretation: The expression that is used to find the speed of sound in a perfect gas of linear triatomic at high temperature has to be stated.
Concept introduction: The ratio of heat capacity of a gas at constant pressure with the heat capacity of a gas at constant volume is known as heat capacity ratio. It is denoted by
(c)
Interpretation: The expression that is used to find the speed of sound in a perfect gas of nonlinear triatomic at high temperature has to be stated. The speed of sound in air at
Concept introduction: The ratio of heat capacity of a gas at constant pressure with the heat capacity of a gas at constant volume is known as heat capacity ratio. It is denoted by

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Chapter 2 Solutions
Atkins' Physical Chemistry
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