Colligative Properties PowerPoint

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Changes in Vapor Pressure• Nonvolatile solutes always lower thevapor pressure of a solution.• Vapor pressure (VP) is the result ofevaporating solvent.• VP depends on temperature.• In a closed container, VP reaches aconstant level at any given temperature.
Changes in Vapor Pressure• Animation showing how VP isestablished.• Animation showing how VP is affectedby temperature.• How does a solute affect VP?
Page 1 and 2: Colligative PropertiesThe Physical
Page 3 and 4: Molality• Molality measures the m
Page 5 and 6: Molality• Example:What is the mol
Page 7 and 8: Molality• Determine the molality
Page 9: Molality• Convert grams of solven
Page 13 and 14: Solution Vapor Pressure• But what
Page 15 and 16: Boiling Point Elevation• There is
Page 17 and 18: Freezing Solutions• Solutions typ
Page 19 and 20: Practical Applications• Antifreez
Page 21 and 22: The van’t Hoff Factor• We have
Page 23 and 24: The van’t Hoff Factor• ΔT b =
Page 25 and 26: Heat of Solution• Most materials
Page 27 and 28: Endothermic Heat of SolutionNH 4 Cl
Page 29 and 30: Exothermic Heat of SolutionCaCl 2 (
Page 31 and 32: Calculating Heat Exchange• A simp
Page 33 and 34: Calculating Heat Exchange• The sp

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