|Nov13-10, 10:54 AM||#1|
mathematical definition of critical point？(thermodynamics)
1. The problem statement, all variables and given/known data
If a gas is described by Van der Waals eqn (p+a/v^2)(v-b)=kT, find the critical pint p_c, T_c,and v_c
2. Relevant equations
3. The attempt at a solution
Actually this is just one intermediate step I got stuck for my stat mech homework, I don't even know the mathematical definition for critical point(I didn't learn quite well in my thermodynamics course), the only relevant equation I found is in wiki http://en.wikipedia.org/wiki/Critica...rmodynamics%29, but I don't think it is adequate for my problem.
|Nov13-10, 11:05 AM||#2|
Em.. sorry, I made a silly mistake in my mind, equations given in wiki should be adequate for my problem.
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