intermolecular-forces

intermolecular-forces - Intermolecular forces...

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Unformatted text preview: Intermolecular forces Intermolecular forces and solubility and solubility Why mixtures mix Why mixtures mix Consider a glass of wine. Why do alcohol, water, & pigment mix together? There must be attractive forces. Intramolecular forces occur between atoms Intermolecular forces occur between molecules The factors that determine solubility are the strength of IMFs and speed of molecules. 4 types of intermolecular forces: ionic, dipole- dipole, hydrogen bonding, and London forces. Electronegativity & IMFs Electronegativity & IMFs 2200 EN essentially defines the type of IMF. Ionic bonds form if the EN is 1.7 or greater. Dipole-dipole (polar covalent) is around 0.5-1.7. Hydrogen bonding is a type of dipole-dipole. London forces exist in all molecules, but are especially important in non-polar covalent molecules (where EN is less than 0.5). Recall that ionic are strongest....
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intermolecular-forces - Intermolecular forces...

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