chem exam part 10

17 terms by matthoras

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chemical reaction

the process by which one or more substances change to produce one or more different substances

reactants

the starting substances

products

substances formed during the reaction

chemical equation

a statement that uses chemical formulas to show the identities and relative amounts of the substances involved in the chemical reactions

coefficient

the number written in front of a reactant or product

synthesis reaction

a reaction in which two or more substances combine to form a single compound
(A+B→AB)

combustion reaction

oxygen combines with a substance and releases energy in the form of heat and light

decomposition reaction

one element breaks down into two new elements
(AB→A+B)

single-replacement reaction

the atoms of one element replace the atoms of another element in a compound
(A+BX→AX+B)

double-replacement reaction

exchange of ions between two compounds
(AX+BY→AY+BX)

precipitate

solid produced during a chemical reaction in a solution

solutes

substances dissolved in a liquid

solvent

substance in which a solute is dissolved to form a solution

aqueous solution

solution in which water is the solvent

complete ionic equation

an ionic equation that shows all the particles in a solution as they realistically exist

spectator ions

ions that are present in a solution in which a reaction is taking place but that do not participate in the reaction

net ionic equations

formulas that include only the particles that participate in reactions

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