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Chapter 6 Terms

QuestionAnswer
Avogadro's Constant The number of constituent particles in ole mole of a given substance.
Mole A unit of measurement used in chemistry to express amount of a chemical substance.
Molar Mass The mass of a given substance divided by its amount of substance.
Conversion Factor Changes something to a different version or form.
Reactant A substance or molecule that participates in a chemical reaction.
Product A substance that forms in a chemical reaction.
Chemical Energy The energy released when a chemical compound reacts to produce new compounds.
Exothermic Reaction A chemical reaction in which heat is released to the surroundings.
Endothermic Reaction A chemical reaction that requires heat.
Synthesis Reaction A reaction in which two or more substances combine to form a new compound.
Decomposition Reaction A reaction in which a single compound breaks down to form two or more simpler substances.
Electolysis The process in which an electric current is used to produce a chemical reaction, such as the decomposition of water.
Combustion Reaction The oxidation reaction of an organic compound, in which heat is released.
Double-Displacement Reaction A reaction in which a gas, a solid precipitate, or a molecular compound forms from the apparent exchange of atoms or ions between two compounds.
Oxidation-Reduction Reaction Any chemical change in which one species is oxidized (loses electrons) and another species is reduced (gains electrons); also called redox reaction.
Radical An organic group that has one or more electrons available for bonding.
Chemical Equation A representation of a chemical reaction that uses symbols to show the relationship between the reactants and the products.
Mole Ratio The relative number of moles of the substances required to produce a given amount of product in a chemical reaction.
Catalyst A substance that changes the rate of a chemical reaction without being consumed or changed significantly.
Enzymes A type of protein that speeds up metabolic reactions in plants and animals without being permanently changed or destroyed.
Substrate A part, substance, or element that lies beneath and supports another part, substance, or element; the reactant in reactions catalyzed by enzymes.
Chemical Equillibrium A state of balance in which the rate of a forward reaction equals the rate of the reverse reaction and the concentrations of products and reactants remain unchanged.
Created by: byrdman27
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