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Help with Stat Mech HW

  1. Apr 17, 2007 #1
    1. The problem statement, all variables and given/known data
    Consider a two level system where the ground state is doubly degenerate and the exited state of energy E is four fold degenerate. Write down the partition function and mathematical expressions for the populations of the two levels.

    2. Relevant equations
    z=e-E/kt
    ni = N(e-E/kt)/z
    ni = NPi
    where N is total number of molecules, P is probability, E is energy, k is boltzman constant

    3. The attempt at a solution
    Ok I dont really need any form of solution for this question I just needed clarification. It is asking me for the expresssions for the population of the two levels. I am getting counfused about if it is asking me for the number of molecules in each level or is it asking for the probability.

    Thanks in advance
     
  2. jcsd
  3. Apr 17, 2007 #2
    write the answer in terms of n_i/N=Pi, the probability or the fraction of molecules.
     
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