版权所有：华东理工大学物理化学教研室 6 6.1 The stabilities of phases-Basic concepts 2). The phase transition A phase transition is the spontaneous conversion of one phase into another phase, occurs at the specific temperature for a given pressure. e.g. at 1 atm, ice is the stable phase below 0℃, but above 0 ℃ The schematic T dependence of the liquid water is the stable phase. chemical potential of the solid, liquid, and gas phases of a substance
版权所有：华东理工大学物理化学教研室 6 6.1 The stabilities of phases-Basic concepts 2). The phase transition A phase transition is the spontaneous conversion of one phase into another phase, occurs at the specific temperature for a given pressure. e.g. at 1 atm, ice is the stable phase below 0℃, but above 0 ℃ The schematic T dependence of the liquid water is the stable phase. chemical potential of the solid, liquid, and gas phases of a substance
版权所有：华东理工大学物理化学教研室 7 6.1 The stabilities of phases-Basic concepts 3). Ttrs A transition temperature, Ttrs, represents the temperature at which the two chemical potentials are equal and the two phases are in equilibrium at the specific pressure. Note that the normal transition The schematic T dependence of the temperature of p =1.0 atm chemical potential of the solid, liquid, and gas phases of a substance
版权所有：华东理工大学物理化学教研室 7 6.1 The stabilities of phases-Basic concepts 3). Ttrs A transition temperature, Ttrs, represents the temperature at which the two chemical potentials are equal and the two phases are in equilibrium at the specific pressure. Note that the normal transition The schematic T dependence of the temperature of p =1.0 atm chemical potential of the solid, liquid, and gas phases of a substance
版权所有：华东理工大学物理化学教研室 8 Phase diagrams 6.1 The stabilities of phases 6.2 Phase boundaries 6.3 Three typical phase diagrams Phase stability and phase transitions 6.4 The thermodynamic criterion of equilibrium 6.5 The dependence of stability on the conditions 6.6 The location of phase boundaries 6.7 The Ehrenfest classification of phase transitions The physical liquid surface 6.8 Surface tension 6.9 Curved surfaces 6.10 Capillary action 6. Physical transformation of pure substances
版权所有：华东理工大学物理化学教研室 8 Phase diagrams 6.1 The stabilities of phases 6.2 Phase boundaries 6.3 Three typical phase diagrams Phase stability and phase transitions 6.4 The thermodynamic criterion of equilibrium 6.5 The dependence of stability on the conditions 6.6 The location of phase boundaries 6.7 The Ehrenfest classification of phase transitions The physical liquid surface 6.8 Surface tension 6.9 Curved surfaces 6.10 Capillary action 6. Physical transformation of pure substances
版权所有：华东理工大学物理化学教研室 9 6.2 Phase boundaries Phase equilibrium for one component system melting The solid phase freezing The liquid phase The solid The liquid The vapour vaporizing The liquid phase condensing The vapour phase The solid phase condensing The vapour phase sublimation The solid phase (α) transition The solid phase (β) phase(s)
版权所有：华东理工大学物理化学教研室 9 6.2 Phase boundaries Phase equilibrium for one component system melting The solid phase freezing The liquid phase The solid The liquid The vapour vaporizing The liquid phase condensing The vapour phase The solid phase condensing The vapour phase sublimation The solid phase (α) transition The solid phase (β) phase(s)
版权所有：华东理工大学物理化学教研室 10 6.2 Phase boundaries 1). The p,V,T relations - for a perfect gas isothermal plane isotonic plane isotherm isobar
版权所有：华东理工大学物理化学教研室 10 6.2 Phase boundaries 1). The p,V,T relations - for a perfect gas isothermal plane isotonic plane isotherm isobar