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Liquids: Crash Course Chemistry #26

2013-08-13

[public] 641K views, 8.67K likes, 137 dislikes audio only

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In this episode of Crash Course Chemistry, Hank gives you the low down on things like London Dispersion Forces, Hydrogen Bonds, Cohesion, Adhesion, Viscosity, Capillary Action, Surface Tension, and why liquids are just... WEIRD!

Pssst... we made flashcards to help you review the content in this episode! Find them on the free Crash Course App!

Download it here for Apple Devices: https://apple.co/3d4eyZo

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TABLE OF CONTENTS

London Dispersion Forces 3:18

Dipole-Dipole Forces 4:45

Hydrogen Bonds 5:29

Cohesion 7:57

Adhesion 9:24

Viscosity 8:41

Capillary Action 9:03

Surface Tension 8:10

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INTERMOLECULAR FORCES ATTRACTIVE FORCES BETWEEN SEPARATE MOLECULES
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LONDON DISPERSION FORCES ATTRACTIONS BETWEEN TEMPORARY REGIONS OF HIGH AND LOW ELECTRON DENSITY IN
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DIPOLE SEPARATION OF CHARGES
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DIPOLE-DIPOLE FORCES ATTRACTIONS BETWEEN THE OPPOSITE PARTIAL CHARGES IN POLAR MOLECULES.
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HYDROGEN BONDING A SPECIAL TYPE OF DIPOLE-DIPOLE FORCE BETWEEN HYDROGEN AND STRONGLY ELECTRONEGATIVE ELEMENTS IN POLAR MOLECULES.
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CONDENSED STATES
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COHESION ATTRACTION OF MOLECULES IN A LIQUID TO EACH OTHER DUE TO INTERMOLECULAR FORCES.
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VISCOSITY RESISTANCE TO FLOW.
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CAPILLARY TUBE
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CAPILLARY ACTION LIQUID SPONTANEOUSLY RISING IN A NARROW TUBE DUE TO COHESION AND ADHESION.
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ADHESION ATTRACTION OF MOLECULES IN A LIQUID TO THEIR CONTAINER DUE TO INTERMOLECULAR FORCES.
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MENISCUS CRESCENT SHAPED
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