The specific heat of a gas is:

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(C) The specific heat of a gas is defined as the amount of heat required to raise the temperature of unit mass of the gas by $1 	ext{ K}$.Since the h

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Any value between $0$ and $\infty$.

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(C) The specific heat of a gas is defined as the amount of heat required to raise the temperature of unit mass of the gas by $1 	ext{ K}$.Since the heat supplied to a gas can be used to change its internal energy and to perform work,and the work done depends on the process (isobaric,isochoric,isothermal,adiabatic,or any polytropic process),the specific heat can vary.For an isothermal process,the temperature change is $0$,so $C = \Delta Q / (m \Delta T) = \infty$.For an adiabatic process,$\Delta Q = 0$,so $C = 0$.Therefore,the specific heat of a gas can take any value between $0$ and $\infty$ depending on the thermodynamic process.

Gas	Molar specific heat $(C_v)$ $(cal\, mol^{-1}\, K^{-1})$
Hydrogen	$4.87$
Nitrogen	$4.97$
Oxygen	$5.02$
Nitric oxide	$4.99$
Carbon monoxide	$5.01$
Chlorine	$6.17$

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