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Chemical Reactions

TermDefinition
chemical reaction the process by which one or more substances manage 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 the symbols to show the realtionship between the reactions and the products.
reactant a substance or molecule that perticipates in a chemical reaction.
product a substace that forms in a chemical reaction.
law of conservation of mass the law that states that mass cannot be created or destroyed in ordinary chemical and physical changes.
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.
single-displacement reaction a reaction in which one element takes the place of another element in a compound.
double-displacement reaction a reaction in which a gas,solid precipitate or a molecular compound forms from exchange of ions between two compounds.
exothermic reaction a chemical reaction in which heat 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 in ordinary chemical and physical changes.
activation energy the minimum amount of energy required to start a chemical reaction.
inhibitor a substance that slows down or stops a chemical reaction
catalyst a substance that changes the route of a chemical reaction without being used up or changed very much.
Created by: 15arroyoary
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