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Finding the energy of a system using the partition function

  • Thread starter dacruick
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  • #1
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Homework Statement



In part a) to this question I calculated the partition function which is Z = 1 + 3/e + 5/e^2



Homework Equations



I can't find an equation relating U to Z.


The Attempt at a Solution



If someone has an explanation or a link to an equation that would be great. Thanks.
 

Answers and Replies

  • #2
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What's your situation, what type of particles are you considering?
 
  • #3
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it does not specify but we deal mostly with ideal gases.
 
  • #4
vela
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Wikipedia has a brief summary.

http://en.wikipedia.org/wiki/Partition_function_(statistical_mechanics [Broken])
 
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