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Homework Help: Lattice Models for Fluids - Regular Solution Model

  1. Nov 11, 2016 #1
    Problem Statement:

    For the regular solution model, develop the equations for the compositions of the coexisting phases in a binary system and plot the phase boundary as a function of χ/RT.

    2. This question stems from Sandler's Introduction to Applied Statistical Thermodynamics.


    3. The attempt at a solution

    I am having trouble understanding how to approach this problem. I know that the equations I need to develop are a function of x1, x2 -> (1-x1). I do not know where to start when considering an equation for a phase boundary.

    Any help would be appreciated.

  2. jcsd
  3. Nov 16, 2016 #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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