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vocabulary ch. 6

TermDefinition
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 substances com- bine to form a new compound
decomposition reaction a reaction in which a single compound breaks down to form two or more simpler substances
electrolysis the process in which an electric current is used to produce a chemical reaction, such as the decom- position of water
combustion reaction the oxidation reaction of an organic compound, in which heat is released
single-displacment reaction a reaction in which one ele- ment or radical takes the place of another element or radical in a compound
double-displacement reaction 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 an- other 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 state of balance in which the rate of a forward reaction equals the rate of the reverse reac- tion and the concentrations of products and reactants re- main unchanged
conversion factor a ratio that is derived from the equality of two different units and that can be used to convert from one unit to the other
ratio is the relationship between two things.
enzyme a type of protein that speeds up metabolic reac- tions in plants and animals without being permanently changed or destroyed
substrate the reactant in reactions catalyzed by enzymes
chemical equilibrium a state of balance in which the rate of a forward reaction equals the rate of the reverse reac- tion and the concentrations of products and reactants re- main unchanged
mole he SI base unit used to measure the amount of a substance whose number of particles is the same as the number of atoms of carbon in 12 g of carbon-12
Avogadro's constant equals 6.02
molar mass the mass in grams of 1 mol of a substance
Created by: brittanypogue