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Lecture_3_no_audio - Lecture 3 Boiling Point and Vapor...

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Lecture 3
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Boiling Point and Vapor Pressure Experiment 2
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Should be reading for Week 3: Chapter 4- Glassware Chapter 13-13.4, 13.8 – Distillation Should be reading for Week 4: Chapter 11- Extraction Chapter 12- Drying Organic Liquids Chapter 15- Recrystallization
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Properties of solutions that depend upon the number of particles, not the mass of the particles. Freezing (Melting) point depression Freezing Point total = Freezing Point solvent Δ T f Boiling point elevation Boiling Point total = Boiling Point solvent + Δ T b Osmotic Pressure Vapor Pressure
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Liquid Vapor Vapor Pressure: pressure a liquid exerts on environment Boiling Point: when vapor pressure equals atmospheric pressure
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What chemical features influence boiling point? Intermolecular Forces Hydrogen Bonding VdW Forces Size of molecule (more surface area = more intermolecular forces
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This note was uploaded on 04/09/2011 for the course CHEM 6a taught by Professor Pettus during the Winter '07 term at UCSB.

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Lecture_3_no_audio - Lecture 3 Boiling Point and Vapor...

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