The perfect gas equation 司理想气体状态方程 PV=ART mp pressure mV=volume ▣n=noles m T=temperature m R=universal gas contant =8.314510Jmol-l.K-1Xi’an University of Science & Technology  理想气体状态方程 The perfect gas equation pV nRT =  p = pressure  V = volume  n = moles  T = temperature  R = universal gas contant = 8.314 510 J•mol-1 •K-1