Nitrogen molecules are made of two nitrogen atoms with atomic weight of 14 each. Water molecules are made of one oxygen of 16 atomic mass units and two hydrogens of 1 atomic mass unit each. If you have one gram of each substance in vapor form, at high enough temperature that all molecular vibration and rotation modes are accessible, and the two substances are at the same temperature, what is the ratio of the total energy content of the nitrogen to that of the water?

Nitrogen molecules are made of two nitrogen atoms with atomic weight of 14 each. Water molecules are made of one oxygen of 16 atomic mass units and two hydrogens of 1 atomic mass unit each. If you have one gram of each substance in vapor form, at high enough temperature that all molecular vibration and rotation modes are accessible, and the two substances are at the same temperature, what is the ratio of the total energy content of the nitrogen to that of the water?

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