A system consists of one mole of van der Waals gas, whose equation of state is P+ (V – b) = RT , where R is the universal gas constant. Using the information from (a) (ii), show that, for such a system, the molar volume at the critical point is given by V. = 3b. Show also that the other two parameters at the critical point are 8a and 27 Rb a Pc 27b?
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