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Bob Jones Chpt 2.2

Key Terms

QuestionAnswer
energy The ability to do work.
kinetic energy The energy of motion; may to the form of heat, light, electricity, etc.
potential energy Energy that is stored until being released.
entropy A measure of the unusable energy that escapes when energy is being converted from one form to another; an increase in disorder and degeneration.
reactant The starting substance of a chemical reaction.
product The physical result of a chemical reaction.
activation energy The initial energy necessary to start a chemical reaction.
catalyst A substance that affects the rate of a reaction but is not changed in the reaction.
enzyme A protein molecule that is produced by living cells to catalyze specific reactions.
active site A portion of an enzyme's surface that is believed to bond to a particular substrate during the action of an enzyme.
substrate The chemical or chemicals an enzyme will affect.
Created by: LWelton
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