(P+2nv2)(V−2b)=2RT\left(P+\frac{2 n}{v^{2}}\right)(V-2 b)=2 R T(P+v22n)(V−2b)=2RT
(P+n2av2)(V−nb)=nRT\left(P+\frac{n^{2} a}{v^{2}}\right)(V-n b)=n R T(P+v2n2a)(V−nb)=nRT
(P+av2)(V−b)=RT\left(P+\frac{a}{v^{2}}\right)(\mathrm{V}-\mathrm{b})=\mathrm{RT}(P+v2a)(V−b)=RT
(P+av2)(V−b)=nRT\left(P+\frac{a}{v^{2}}\right)(V-b)=n \mathrm{R} T(P+v2a)(V−b)=nRT