版权所有：华东理工大学物理化学教研室 14 6.2 Phase boundaries 2). The phase diagram The phase diagram The lines separating the regions are called phase boundaries; these lines show the values of p and T at which two phases coexist in equilibrium The phase boundaries The liquid-vapour phase boundary; The liquid-solid phase boundary; The solid-vapour phase boundary.版权所有：华东理工大学物理化学教研室 14 6.2 Phase boundaries 2). The phase diagram The phase diagram The lines separating the regions are called phase boundaries; these lines show the values of p and T at which two phases coexist in equilibrium The phase boundaries The liquid-vapour phase boundary; The liquid-solid phase boundary; The solid-vapour phase boundary