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Definition
| Based on the idea that particles of matter are always in motion |
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Definition
| A hypothetical gas that perfectly fits all the assumptions of the kinetic-molecular theory |
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Definition
| There is no net loss of kinetic energy |
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| Such spontaneous mixing of the particles of two substances caused by their random motion |
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Definition
| A process by which gas particles pass through a tiny opening |
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Definition
| A gas that does not behave completely according to the assumptions of the kinetic-molecular theory |
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Definition
| A substance that can flow and therefore take the shape of its container |
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Definition
| A force that tends to pull adjacent parts of a liquid’s surface together, thereby decreasing surface area to the smallest possible size |
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Definition
| The attraction of the surface of a liquid to the surface of a solid, is a property closely related to surface tension |
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Definition
| The process by which a liquid or solid changes to a gas |
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Definition
| The process by which particles escape from the surface of a non-boiling liquid and enter the gas state |
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Definition
| The physical change of a liquid to a solid by removal of energy as heat; solidification |
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Definition
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Definition
| A substance in which the particles are arranged in an orderly, geometric, repeating pattern |
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Definition
| One in which the particles are arranged randomly |
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Definition
| The physical change of a solid to a liquid by the addition of energy as heat |
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Definition
| The temperature at which a solid becomes a liquid |
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Definition
| Substances that retain certain liquid properties even at temperatures at which they appear to be solid |
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Definition
| The total three-dimensional arrangement of particles of a crystal |
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Definition
| The smallest portion of a crystal lattice that shows the three-dimensional pattern of the entire lattice |
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Definition
| Any part of a system that has uniform composition and properties |
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Definition
| The process by which a gas changes to a liquid |
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Definition
| A dynamic condition in which two opposing changes occur at equal rates in a closed system |
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Term
| Equilibrium Vapor Pressures |
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Definition
| The pressure exerted by a vapor in equilibrium with its corresponding liquid at a given temperature |
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Term
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Definition
| Liquids that evaporate readily, relatively weak forces of attraction between their particles |
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Term
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Definition
| Equilibrium vapor pressures can be used to explain and define, the conversion of a liquid to a vapor within the liquid as well as it's surface |
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Term
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Definition
| A liquid is the temperature at which the equilibrium vapor pressure of the liquid equals the atmospheric pressure |
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Term
| Molar Enthalpy of Vaporization |
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Definition
| The amount of energy that is needed to vaporize one mole of liquid at the liquid's boiling point at a constant pressure |
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Definition
| the physical change of a liquid to a solid |
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Definition
| The temperature at which the solid and liquid are in equilibrium at 1 atm pressure |
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Definition
| The amount of energy as heat required to melt one mole of solid at the solid's melting point |
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Definition
| The change of state from a solid directly to a gas |
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Definition
| The change of state from a gas directly to a solid |
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Definition
| A graph of pressure versus temperature that shows the conditions under which the phases of a substance exist; reveals how the states of a system change with changing temperature or pressure |
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Term
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Definition
| Indicated the critical temperature and critical pressure |
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Definition
| The temperature above which the substance cannot exist in the liquid state |
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Term
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Definition
| The lowest pressure at which the substance can exist as a liquid at the critical temperature |
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