CHEM 100 Chapter Notes - Chapter 6: London Dispersion Force, Intermolecular Force, Kinetic Energy
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6. 1 the three states of matter and transitions between them. Solid has a fixed volume and shape, both of which are independent of its container. Liquid has a fixed volume but no fixed shape. The volumes of both liquids and solids change very little when pressure is applied. There is little increase in volume when a solid melts, but when a liquid is vaporized; there is a large change in volume. A solid holds its shape because strong attractive forces hold the molecules in fixed positions from which they cannot escape. The compressibility of liquids is similar to that of solids, and so the molecules are assumed to be as close to one another as they can be. Kinetic energy the energy of a moving body, or energy of motion; equivalent to the work necessary to bring that body to rest or to impact motion to a resting body.
