Colligative Properties PowerPoint

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<strong>Colligative</strong> <strong>Properties</strong>• There are 3 colligative or physicalproperties of solutions that you shouldknow. They are1. Vapor pressure2. Boiling point elevation3. Freezing point depression4. Osmotic pressure is one you don’tneed to worry about.
Molality• Molality measures the moles of solutedissolved in the mass (kg) of solvent.• Molality normally expressesconcentrations of colloids.• m = moles solutekg solvent
Page 1: Colligative PropertiesThe Physical
Page 5 and 6: Molality• Example:What is the mol
Page 7 and 8: Molality• Determine the molality
Page 9 and 10: Molality• Convert grams of solven
Page 11 and 12: Changes in Vapor Pressure• Animat
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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