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Chemical Reaction Vocab Cards

Glencoe Physical Science 2005

AB
chemical reactionprocess in which one or more substances are changed into new substances
reactantin a chemical reaction, the substance that reacts
productin a chemical reaction, the new substance that is formed
chemical equationshorthand method to describe chemical reactions using chemical formulas and other symbols
coefficientnumber in a chemical equation that represents the number or units of each substance taking part in a chemical reaction
balanced chemical equationchemical equation with the same number of atoms of each element on both sides of the equation
combustion reactiona type of chemical reaction that occurs when a substance reacts with oxygen to produce energy in the form of heat and light
synthesis reactionchemical reaction in which two or more substances combine to form a different substance
decomposition reactionchemical reaction in which one substance breaks down into two or more substances
single-displacement reactionchemical reaction in which one element replaces another element in a compound
double-displacement reactionchemical reaction that produces a precipitate, water, or a gas when two ionic compounds in solution are combined
precipitatea solid that comes out of solution during a chemical reaction
exothermic reactionchemical reaction in which energy is primarily released in the form of heat
endothermic reactionchemical reaction that absorbs heat energy
catalystsubstance that speeds up a chemical reaction without being permanently changed itself
inhibitorsubstance that slows down a chemical reaction or prevents it from occurring by combining with a reaction
coefiecientThe large number in front of the compound symbol
subscriptThe number in the formula that tells the number of atoms in a molecule. The number below.
chemical formulaShorthand way tof describing a chemical compound, example H2O is the formula for water.

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