The thermodynamic properties of the classical ideal gas are well known and documented. The departure of real gases from ideal behavior requires modification of the ideal equation of state. We derive an exact solution for an ‘‘excluded volume’’ system in which the constituent particles have nonzero volume and only one particle may occupy a specific region in space. To incorporate this volume exclusion, we propose a lattice gas model and find a simple combinatorial solution to this model. We construct the partition function, equation of state, and several other thermodynamic quantities.
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© 1986 American Association of Physics Teachers.
1986
American Association of Physics Teachers
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