CHM 2045L Study Guide - Final Guide: Boiling-Point Elevation, Intermolecular Force, Metal

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12 Jul 2017
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A homogeneous part of the system in contact with other parts of the system but separated from them by a well defined boundary. Attractive forces between molecules, exerts influence on condensed matter, liquids and solids. Responsible for the melting point and boiling point. Forces that hold atoms together in a molecule. Strong type of dipole-dipole force, special interaction between hydrogen atom in a polar bond (n,o,f) bonds with h to form a hydrogen bond. Amount of energy required to stretch or increase the surface of a liquid by a unit area. Liquids have strong intermolecular forces, also have high surface tensions. Due to hydrogen bonding, water has higher surface tension than most liquids. Another form of surface tension, water rising spontaneously in a capillary tube, caused by cohesion and adhesion. Attraction between unlike molecules such as those in water and the side of the glass tube.

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