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Chapter 14 Vocab

Chemical Reactions

QuestionAnswer
Chemical Reaction The process by which one or more substances change to produce one or more different substances.
Precipitate A soild that is produced as a result of a chemical reacton in solotion.
Chemical Formula A combination of chemical symbols and numbers to repersent 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.
Product The substance that forms in a chemical reacton.
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 or more element or ratical breaks down to form two or more simpler substances.
Double-Displacement Reaction A reaction in which two or more substances combine to form a new compound.
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 but can be changed from one 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.