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Chemical Reactions

QuestionAnswer
Activation Energy Amount of energy needed to start a chemical reaction
Chemical Reactions A process in which one or more substances change to produce one or more different substances.
precipitate A solid that is produced as a result of a chemical reaction in solution.
chemical formula, A combination of chemical symbols and numbers to represent a substance.
chemical equation A representation of a chemical reaction that uses symbols to show the relationship between the reactants and the products
reactant A substance or molecule that participates in a chemical reaction from the beginnning
product The substance that forms as a result of a chemical reaction
Law of conservation of mass The law that states that mass cannot be created or destroyed; it only changes form
synthesis reaction A reaction in which two or more substance combine to form a new compound.
decomposition reaction a reaction in which a single compound breaks down to form two or more simper substance.
single-displacement reaction A reaction in which one element or radical takes the place of another element or radical in a compound.
double-displacement reaction A reaction in which new compounds form from the exchange of ions betweenfrom two initial compounds.
exothermic reaction A chemical reaction in which is released to the surroundings.
endothermic reaction A chemical reaction that requires heat.
Law of conservation of energy The law that states that energy cannot be created or destroyed but can be changed from one form to another.
inhibitor A substance that slows down or stops a chemical reaction.
catalyst A substance that changes the rate of a chemical raection without being used up or changed very much.
Physical Changes Changes that do not result in a change in the composition of a substance
Chemical Changes Changes that result in a change in the composition of a substance
Created by: user-1732450
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