PV=nRTPV=nRTPV=nRT
PV=RTPV = RTPV=RT
(P+n2aV2)(V−nb)=nRT\left(P+\frac{\mathrm{n}^{2} a}{V^{2}}\right)(V-n b)=n R T(P+V2n2a)(V−nb)=nRT
PV=13nNC2\mathrm{PV}=\frac{1}{3} \mathrm{nNC^{2 }}PV=31nNC2