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17 Cards in this Set
- Front
- Back
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Chemical reaction
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a change in which one or more substances are converted into new substances
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Reactant
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the substances that react in a chemical reaction
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Product
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the new substances produced in a chemical reaction
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Chemical equation
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a way to describe a chemical reaction using chemical formulas and other symbols
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Coefficient
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represent the number of units of each substance taking part in a reaction
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Balanced chemical equation
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a chemical equation that has the same number of atoms of each element on both sides of the equation
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Synthesis reaction
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a reaction in which two or more substances combine to form another substance
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Decomposition reaction
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a reaction in which one substance breakes down, or decomposes, into two or more substances
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Single-displacement reaction
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when one element replaces another in a compound
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Double-displacement reaction
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the postive ion in one compound replaces the positive ion of the other to form two new compounds
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Precipitate
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an insoluble compound that comes out of solution during this type of reaction
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Exergonic reaction
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chemical reactions that release energy
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Exothermic reaction
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when the energy given off in a reaction is primarily in the form of heat
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Endergonic
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a chemical reaction that requires more energy to break bonds than is released when new ones are formed
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Endothermic
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when the energy needed to break the bonds is in the form of heat
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Catalyst
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a substance that speeds up a chemical reaction without being permanently changed itself
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Inhibitor
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a substance that slows down a chemical reaction or prevents it from occuring by combining with a reactant
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