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Homework Help: Compressibility factor for an Isotherm

  1. Feb 25, 2017 #1
    1. The problem statement, all variables and given/known data
    Why is it that when considering the compressibility factor of a gas Z we see the value decrease at first and increase as value for Pr increases for an isotherm Tr=1?

    2. Relevant equations

    3. The attempt at a solution
    It is my understanding that as Pr is low that inter-molecular forces dominate thus making z<1 but as Pr increases the Z factor increases.

    I am seeking for clarity

    Best Regards,
  2. jcsd
  3. Mar 3, 2017 #2
    Thanks for the thread! This is an automated courtesy bump. Sorry you aren't generating responses at the moment. Do you have any further information, come to any new conclusions or is it possible to reword the post? The more details the better.
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