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15 Cards in this Set

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  • Back
chemical reaction
the process by which one or more substances undergo change to produce one or more different substances
chemical formula
a shorthand notation for a compund or a diatomic element using chemical symbols and numbers
subscript
a number written below and to the right of a chemical symbol in a formula.
chemical equation
a shorthand descripiton of a chemical reaction using chemical formulas and symbols
reactants
the stating materials in a chemical reaction
products
the substances formed from a chemical reaction
coefficient
a number placed in front of a chemical symbol or formula
law of conservation of mass
the law that states that mass is neither created nor destroyed in ordinaryh chemical and physical changes
synthesis reaction
a reaction in which two of more substances combine to form a single compound
decomposition reaction
a reaction in which a single compound breaks down to form two or more simpler substances
single-replacemen reaction
a reaction in which an element takes the place of an element in a compound
double-replacement reaction
a reaction in which ions in two compounds switch places
exothermic
the term used to describe a change in which energy is released or removed
endothermic
the term used to describe a change in which energy is absorbed
law of conservation of energy
the law that states that energy is neither created nor destroyed