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Boltzmann distribution - Derive equation of state of a gas from Helmholtz free energy
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Mar15-11, 12:04 AM
1. The problem statement, all variables and given/known data
Show that the equation of state of an ideal gas with N molecules in a container of volume V at temperature T is P=NkT. Use the result derived earlier.
The result is A=-NkTlnZ, where Z is the partition function and A is the Helmholtz free energy.
2. Relevant equations
3. The attempt at a solution
Here, I'm stuck. Surely, ([tex]\delta[/tex]lnZ)/([tex]\delta[/tex]V)T=0?
It seems so trivial. I don't understand what I'm missing. Thank you in advance.
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