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Pressure-volume isotherms for a Bragg-Williams lattice gas

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Pressure-volume isotherms for a Bragg-Williams lattice gas

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29 Dec 2007 (Updated )

Computes pressure-volume isotherms for a Bragg-Williams lattice gas

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Description

The program shows how to plot figure 14.4 page 248 presented in T. L. Hill, An Introduction to Statistical Thermodynamics, Dover, New York, 1986. The Bragg-Williams approximation gives pressure-volume isotherms similar to those obtained using the van der Waals equation and it predicts first-order phase transition. We use the symmetry condition to draw the horizontal stable equilibrium path. We can also use the thermodynamic equal-area theorem as shown at the end of the code.

A similar treatment using Mathematica
can be found at the following link:

http://library.wolfram.com/infocenter/MathSource/6623/

Required Products Optimization Toolbox
MATLAB release MATLAB 7.0.1 (R14SP1)
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Comments and Ratings (3)
24 Mar 2014 Mugisa Yahaya  
09 May 2013 ahmed hashim  
11 Feb 2008 Duane Hanselman

Typical submission from this author. Simply reproduces figures found in a specific journal article. No user settable parameters. No variable descriptions. No help text to explain the code. Promotes poor programming practices to students.

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