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Do gases have specific heats

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Anonymous

13y ago
Updated: 8/20/2019

Yes.

Two specific heats are commonly defined: CV (constant volume specific heat and CP (constant pressure specific heat). For an ideal gas the relationship between the two can be calculated to be

CP = CV + R

The theoretical value of the specific heats for ideal gases can be estimated from the degrees of freedom of the gas - which in turn depends on it's structure. Monatomic gases really can only absorb energy by increasing their translational energy or boosting the electrons to higher orbitals. Diatomic gases add a degree of freedom for vibration and another for rotation (although diatomic molecules usually can store only and insignificant amount of energy in their rotations. Polyatomic molecules with more than two atoms have even greater degrees of freedom because they pick up vibrational modes for the additional molecular bonds and more rotational modes.

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13y ago

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