Give an example of two polyatomic molecules that have different rotational contributions to internal energy. State the conditions in which the vibrational contribution to internal energy is proportional to the temperature.

Give an example of two polyatomic molecules that have different rotational contributions to internal energy. State the conditions in which the vibrational contribution to internal energy is proportional to the temperature.

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Give an example of two polyatomic molecules that have different rotational contributions to internal energy.
State the conditions in which the vibrational contribution to internal energy is proportional to the temperature.

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