Intermolecular Forces

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Intermolecular forces

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Forces between molecules

Front

Types of intermolecular forces

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London dispersion, dipole-dipole, hydrogen bonding

Front

London dispersion forces

Back

Weakest, present in all molecules

Front

Dipole-dipole interactions

Back

Between polar molecules

Front

Hydrogen bonding

Back

Strongest, H with N, O, or F

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Polarizability

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Ease of electron cloud distortion

Front

Effect of molecular size on London forces

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Larger size, stronger forces

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Boiling point and intermolecular forces

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Stronger forces, higher boiling point

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Surface tension

Back

Caused by cohesive forces

Front

Viscosity

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Resistance to flow, affected by intermolecular forces