Peng and Robinson equation of state
From SklogWiki
The Peng and Robinson equation of state is given by (Ref. 1 Eq. 4)
\[p = \frac{RT}{v-b} - \frac{a(T)}{v(v+b) +b(v-b)}\]
where \(p\) is the pressure, \(T\) is the temperature and \(R\) is the molar gas constant.