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  4. Molar specific heat at constant volume, for a non-linear triatomic gas is (vibration mode neglected)

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Q. Molar specific heat at constant volume, for a non-linear triatomic gas is (vibration mode neglected)

Kinetic Theory

Solution:

Molar heat capacities for a gas is given by
$C_{v}=\frac{f}{2} R T$
Where $f=6$ in triatomic molecules
$C_{v}=3 R T$