van der Waals Equation ((P + an²/V²)(V − nb) = nRT)
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(P + an²/V²)(V − nb) = nRT
What each symbol means
| Symbol | What it stands for |
|---|---|
| a | Attraction correction (Pa·m⁶·mol⁻² or compatible) |
| b | Excluded volume per mole (m³·mol⁻¹) |
| P,V,n,T,R | Usual |
When to use this
Real gas two-parameter model; molar form (P+a/Vm²)(Vm−b)=RT for n=1.