Fall 2006 18 Sm

Consider a gas that obeys a modified van der Waals equation of state:

$(P+ \frac{a}{V^3}(V-b)=RT$,

where V is the volume of one mole of gas, and a and b are constants. Determine the critical parameters Pc,Vc, and Tc of this gas and evaluate the quantity RTc/PcVc.




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