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Details Title: Energy Description: drfred - A collection of terms and ideas useful in chemistry. Total Flash Cards: 28 Created: 10/08/2004 08:05:29	To study from this set of flash cards, or to create your own your own study flash cards, register HERE. If you are already a registered user, CLICK HERE.
Cards Term Chemical energy Definition Potential energy stored in chemical bonds. Term Efficiency Definition A measure of the amount of work produced by a machine compared to the amount of work put in. Term Electrical energy Definition Potential energy which can move electrons. Term Electromagnetic waves Definition A family of energy waves which include TV and Radio waves, microwaves, ultraviolet waves, x-rays, and visible light. Term Energy Definition The ability to do work. Term Gravitational energy Definition Potential energy due to attraction between two masses. Term Heat energy Definition Kinetic energy in the vibrations of molecules. Term Kinetic energy Definition Energy of motion. Term Light energy Definition Kinetic energy due to the vibration of electrical fields. Term Magnetic energy Definition Potential energy found in magnets or electromagnets. Term Mechanical energy Definition Kinetic energy found in moving objects. Term Nuclear energy Definition Potential energy stored in the nucleus of an atom. Term Potential energy Definition Stored energy or energy of position. Term Sound energy Definition Kinetic energy in the form of vibrations of air or other molecules. Term Work Definition A force pulling or pushing through a distance. Term Joule Definition An SI unit of energy. 1 J = 1 Newton-meter = 1 kg m2/s2. Term Conservation of Energy Definition A scientific law which states that energy can not be created or destroyed, but only converted from one form to another. Term Exothermic Definition referring to a chemical reaction which releases energy. Term Endothermic Definition referring to a chemical reaction which absorbs energy. Term Activation energy Definition The amount of energy needed to start a chemical reaction. Term Absolute Zero Definition The temperature at which all molecular motion stops; theoretically the lowest temperature possible. Term Kelvin scale Definition A temperature scale for which zero degrees equals absolute zero. Water freezes at 273 Kelvin and boils at 373 Kelvin. Term Celsius scale Definition A temperature scale for which absolute zero equals -273o C, water freezes at 0oC and boils at 100oC. Term Fahrenheit scale Definition A temperature scale for which absolute zero equals -460oF, water freezes at 32oF and boils at 212oF. Term Calorie Definition the quantity of heat required to raise the temperature of 1 gram of water by 1oC. Term Calorimetry Definition the measurement of the amount of heat released or absorbed during a chemical reaction. Term Calorimeter Definition a device used for measuring heat loss or gain in a chemical reaction. Term Specific heat Definition the amount of heat required to raise the temperature of 1 gram of a substance by 1oC.