At moderate pressure, the Vander wall's equation become:-

1. PVm = RT

2. P(Vm-b) = RT

3. (P+a/V2m) (Vm )= RT

4. P = RT/Vm + a/V2m

Concept Videos :-

#9 | Van der Waal Gas Equation

Concept Questions :-

Vanderwaal Correction

at low pressure, V high 

(P+a/V2m) (Vm )= RT

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