17 terms

chem exam part 10

chemical reaction
the process by which one or more substances change to produce one or more different substances
the starting substances
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
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
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
single-replacement reaction
the atoms of one element replace the atoms of another element in a compound
double-replacement reaction
exchange of ions between two compounds
solid produced during a chemical reaction in a solution
substances dissolved in a liquid
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