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4.5 Energy of Gas Molecules

We have proved that the temperature of a mass of gas is determined by the mean kinetic energy of the molecules. We now proceed to enquire about the nature of energy possessed by a molecule. In mechanics, we are familiar with the following types of energies:

  1. The kinetic energy of translational motion: This is equal to 1/2 mc2 where m is the mass of the molecule moving with velocity c.
  2. The kinetic energy of rotation: This is equal to...


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