(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+2av2)(v−2b)=2RT\left(P+\frac{2 a}{v^{2}}\right)(v-2 b)=2 R T(P+v22a)(v−2b)=2RT
(P+4av2)(v−2b)=2RT\left(P+\frac{4 a}{v^{2}}\right)(v-2 b)=2 R T(P+v24a)(v−2b)=2RT
(p+4av2)(v−b)=RT\left(p+\frac{4 a}{v^{2}}\right)(v-b)=R T(p+v24a)(v−b)=RT