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20 Cards in this Set
- Front
- Back
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balanced chemical equation
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chemical equation with the same number of atoms of each element on both sides of the equation
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catalyst
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substance that speeds up a chemical reaction without being permanently changed itself
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chemical equation
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shorthand method to describe chemical reactions using chemical formulas and other symbols
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chemical reaction
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process in which one or more substances are changed into new substances
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coefficient
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number in chemical equation that represents the number of units of each substance taking part in a chemical reaction
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combustion reaction
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a type of chemical reaction that occurs when a substance reacts with oxygen to produce energy in the form of light and heat
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decomposition reaction
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chemical reaction in which one substance breaks down into two or more substances
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double- replacement reaction
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chemical reaction that produces a precipitate, water, or gas when two ionic compounds in solution are combined
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endergonic reaction
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chemical reaction that requires energy input (heat, light, or electricity) in order to proceed
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endothermic reaction
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chemical reaction that requires heat energy in order to preceed
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exergonic reaction
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chemical reaction that releases some form of energy, such as light or heat
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exothermic reaction
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chemical reaction in which energy is primarily given off in the form of heat
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inhibitor
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substance that slows down a chemical reaction or prevents it from occurring by combining with a reactant
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oxidation
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the loss of electrons from the atoms of a substance
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precipitate
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insoluble compound that comes out of solution during a double-displacement reaction
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product
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in a chemical reaction, the new substance that is formed
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reactant
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in a chemical reaction, a substance that reacts
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reduction
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the gain of electrons by the atoms of a substance
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single- displacement reaction
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chemical reaction in which one element replaces another element in a compound
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synthesis reaction
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chemical reaction in which two or more substances combine to form a different substance
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