The Properties of System There are a series of properties to describe a given system,such as P,V,T,n,U,H...Some of them depend on the amount of substance present in the system,some are independent of the amount of material present .So we have two kinds of properties.They are: (1)Extensive properties---increase in proportion to the amount of the system,i.e.,V,n,U,H (2)Intensive properties---are not related to the amount of the system,i.e.,P,T,Vm PDF文件使用"pdfFactory Pro”试用版本创建fmm,fineprint.com,c里 The Properties of System There are a series of properties to describe a given system,such as P,V,T,n,U,H… Some of them depend on the amount of substance present in the system,some are independent of the amount of material present .So we have two kinds of properties. They are: (1)Extensive properties---increase in proportion to the amount of the system, i.e., V,n,U,H (2) Intensive properties---are not related to the amount of the system, i.e., P,T,Vm PDF 文件使用 "pdfFactory Pro" 试用版本创建 fwww.fineprint.com.cn