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KMT_page1 - li Intermolecular Forces and Liauids and Solids...

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li , - Intermolecular Forces and Liauids and Solids CHM12 A PHASE isa homogenous part ofthe system in contact with other parts of the system but separated from them by awell defined boundary. Characteristic Properties of Gases, Liquids and Solids State Volume/Shape Density Cornpressi bility Motion of Molecules Gas Assumes the Low Very Very free volume and compressible motion, shape of its container Liquid Has adefinite High Only Slightly Slide past one volume but compressible another freely assumed the shape of the container Solid Has adefinite High Virtually Vibrate about volume and incompressible fixed positions shape INTERMOLECULAR FORCES Intermolecular forces: are attractive forces between molecules. Generally these types of forces are weaker than intramolecular forces. Intramolecular forces: hold atoms together in a molecule. TYPES OF INTERMOLECULAR FORCES 1. Ion - Dipole Forces: attractive force between an ion and a polar molecule.
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