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Homework Help: Stuck on this question for a long time

  1. Sep 22, 2009 #1
    1. The problem statement, all variables and given/known data

    The question is regarding Example 2.4, at the above link.
    The question to find out what the unstated approximation is in that example. and re-calculate the answer w/o the approxiamtion.

    2. Relevant equations
    Virial equation
    Ideal gas equation

    3. The attempt at a solution
    i'm thinking it's something to do with the molecular interactions? I'm so confused...
  2. jcsd
  3. Sep 22, 2009 #2
    it assumed no molecular interactions? I would need to use the Van der waals equation to calculate molar volume?
  4. Sep 22, 2009 #3
    page won't let me read it
  5. Sep 22, 2009 #4
    Really, it works for me. I found it using google books - book title: Physical Chemistry for the biosciences by Raymond Chang
  6. Sep 22, 2009 #5
    are you on a college campus? that might be why
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