The volumetric propertics of thas T00 Gaser M and N are defcribed by the generatized compressibility chart which expusy the compussibidity factor( (z) cy a functios of reduced preessue and reduced Timprature only. the opuating pueslue (P) and Tempuature (T) of the Two crases along evith cuifical propaties (PC,TC) are givenbelas. Zm and Zn and the compufsability factor of The crasses M and N ondr The civen opuating conditint, respectivels, Find the relation betexen Zm and Zn