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chemical reactions

chemical reaction A change in which atoms of one or more substances are changed to form new substances
reactants substances that react, on left side
products new substances produced, on right side
synthesis reaction two or more substances combine
decomposition reaction One substance breaks down into two or more substances.
single replacement reaction One element replaces another element
double replacement reaction two elements switch places
endothermic energy (heat) is needed for the reaction,heat goes in, feels cold
exothermic reaction energy (heat) is given off in the reaction, feels warm
catalyst Substance that speeds up a reaction without being changed
inhibitor Subtance that slows down a reaction
chemical equation way to describe a chemical reaction using formulas and symbols
rate of reaction (speed of reaction) speed at which reactants are consumed and products are made
Created by: mrsmcdonough