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Chemical Reactions

TermDefinition
Chemical reaction A process in which one or more substances change to make one or more new substances.
Precipitate A solid substance that is formed in a solution.
Chemical formula A shorthand way to use chemical symbols and numbers to represent a substance.
Chemical equation Uses chemical symbols and formulas as a shortcut to describe a chemical reaction.
Reactant The starting materials in a chemical reaction.
Product The substances formed from a reaction are products.
Law of Conservation of Mass This law states mass is neither created nor destroyed in ordinary chemical and physical changes
Synthesis reaction A reaction in which two or more substances combine to form one new compound.
Decomposition reaction A reaction in which a single compound breaks down to form two or more simpler substances.
Single-displacement reaction The products of single-displacement reactions are a new compound and a different element.
Double-displacement reaction A reaction in which ions from two compounds exchanged places.
Exothermic reaction A chemical reaction in which energy is released.
Endothermic reaction A chemical reaction in which energy is taken in.
Law of Conservation of Energy States that energy cannot be created or destoryed.
Activation energy The smallest amount of energy that molecules need to react.
Inhibitor A substance that slows down or stops a chemical reaction.
Catalyst A substance that speeds up a reaction without being permanently changed.
Created by: danielbakley