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Homework Help: Boltzmann's constant

  1. Jul 30, 2010 #1
    1. The problem statement, all variables and given/known data

    Why has the Boltzmann's constant been defined?

    I know that the kinetic energy of a system is directly proportional to its absolute temperature, and that the proportionality constant is the Boltzmann's constant.

    But does the kinetic energy include all forms, i.e. rotational, vibrational, translational? Also, why should this ratio be always cosntant no matter what the system?

    2. Relevant equations


    3. The attempt at a solution

    No idea!

    Any help would be greatly appreciated.
  2. jcsd
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