# van der Waals gas

by winterwind
Tags: waals
 P: 29 1. The problem statement, all variables and given/known data Calculate the isothermal compressibility and the expansion coefficient of a van der Waals gas. Show, using Euler's chain relation that $$\kappa$$TR = $$\alpha$$(Vm - b). 2. Relevant equations van der Waals equation virial expansion of state 3. The attempt at a solution So I have to figure out -isothermal compressibility of van der Waals gas -expansion coeffcient of a van der Waals gas -show that the above equation is true using Euler's chain relation. I guess the first part has something to do with compressibility factor Z? I used Z = PV/RT and then plugged for p the van der Waals gas law. Probabaly incorrect. The second and third part I have no idea.

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