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Aqueous Solution

A solution in which the solvent is water

Chemical Reaction

The process by which the atoms of one or more substances are rearranged to form different substances

Coefficient

In a chemical equation, the number written in front of a reactant or product

Combustion Reaction

A chemical reaction that occurs when a substance reacts with oxygen, releasing energy in the form of heat and light

Complete Ionic Equation

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

Decomposition Reaction

A chemical reaction that occurs when a single compound breaks down into two or more elements or new compounds

Double Replacement Reaction

A chemical reaction that involves the exchange of ions between two compounds

Empirical Formula

A formula that shows the smallest whole-number mole ratio of the elements of a compound

Law of Conservation of Mass

States that mass is neither created nor destroyed during a chemical reaction but is conserved

Molar Mass

The mass in grams of one mole of any substance

Mole

The S.I. base unit used to measure the amount of a substance

Molecular Formula

A formula that specifies the actual number of atoms of each element in one molecule of a substance

Net Ionic Equation

An ionic equation that includes only the particles that participate in the reaction

Percent Composition

The percent by mass of each element in a compound

Precipitate

A solid produced during a chemical reaction in a solution

Product

A substance formed during a chemical reaction

Reactant

The starting substance in a chemical reaction

Single Replacement Reaction

A chemical reaction that occurs when the atoms of one element replace the atoms of another element in a compound

Spectator Ion

Ion that does not participate in a reaction

Synthesis Reaction

A chemical reaction in which two or more substances react to yield a single product