Phase Diagrams Pressure vs. temperature graph

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Phase Diagrams Pressure vs. temperature graph http://encarta.msn.com/media_461541579/Phase_Diagram_for_Wate r.html Pressure vs. temperature graph Shows conditions where different states of matter exist

Phase Diagrams Phase changes occur on lines of diagram Triple point – temp and pressure where all 3 phases exist Critical point – highest temp and pressure where a liquid can exist

Phase Diagram Practice What is the state of water at 2 atm and 50 What phase change will occur if the temperature is lowered from 80C to -5C at 1 atm? You have ice at -10C and 1 atm. What could you do in order cause the ice to sublime? Reprinted with permission from Chemistry: Matter and Change by Bowers, Joanne, McCleary, David R. & Veath, Lois; Copyright © 2005 Glencoe-McGraw Hill