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Chemical Reactions

TermDefinition
Chemical reaction The process by which one or more different substances
precipitate A solid that is produce as a result of a chemical reaction in soultion
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 how the relationship between the reactants and the product
Reactant Substance or molecule that participates in a chemical reaction
product A substance 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 substance combine to form a new compound
Decomposition reaction A reaction in which a single compound breaks down to form two or more simpler subtances
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 molecular compound forms from the 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 conservaton The law that states that energy cannot be created or destroyed but can be changed from one form to another
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 rate of a chemical reaction without being used up or changed very much
Created by: Monya
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