1018 - Phase Diagrams Recall the P vs T plots for each...

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Section 7.5.4 Phase Diagrams Put all of the plots  together into one =  phase diagram or  transition diagram. pressure temperature liquid gas pressure temperature solid gas pressure temperature solid liquid water only Recall the P vs T plots for each phase change:
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Section 7.5.4 Phase Diagrams Pressure (atm) Temperature ( ° C) solid liquid gas WATER Using a phase diagram, you can predict the phase that will  be present at any  pressure/temperature combination. triple point all thre e   phas e s  in  e q uilibrium melting/ freezing evaporating/ condensing subliming/ depositing
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Section 7.5.4 Phase Diagrams Pressure (atm) Temperature ( ° C) solid liquid gas WATER 1 0 100 Can predict the boiling and freezing points at a given pressure. no rm al  fre e zing   po int no rm al  bo iling   po int “normal” means at 1 atm
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Section 7.5.4 Phase Diagrams Pressure (atm) Temperature ( ° C) solid liquid gas WATER A B A B:   Temperature- solid to liquid C D  D:   Pressure- gas to liquid Can predict phase changes due to changes in  temperature and pressure.
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Section 7.2 Intermolecular Forces Consider 3 types  of intermolecular forces: Dispersion  Forces Dipole-Dipole  Forces Hydrogen  Bonding Occur in molecules Strength containing  of forces temporary dipoles  Weak (ALL molecules!) permanent dipoles Medium H bound to N, O or F Strong
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Section 7.2.1 Dispersion Forces Induced Dipole
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