Unit 7: Reactions & Equations Vocabulary

Flashcards for vocabulary terms related to chemical reactions and equations.

Law of conservation of mass

Mass is neither created nor destroyed in a chemical reaction.

Reactant

A substance that takes part in and undergoes change during a reaction.

Product

A substance produced during a chemical reaction.

Coefficient

A number placed in front of a chemical formula in a balanced equation to indicate the number of moles.

Synthesis

A chemical reaction in which two or more substances combine to form a single compound.

Decomposition

A chemical reaction in which a single compound breaks down into two or more simpler substances.

Single Replacement

A chemical reaction in which one element replaces another in a compound.

Double Replacement or Displacement

A chemical reaction in which two compounds exchange ions or elements.

Combustion

A chemical reaction that involves rapid reaction between a substance with an oxidant, usually oxygen, to produce heat and light.

Neutralization (Acid-Base)

A chemical reaction in which an acid and a base react quantitatively with each other.

Oxidation-Reduction (Redox)

A chemical reaction that involves the transfer of electrons between two species.

Precipitation / Precipitate

The formation of a solid in a solution during a chemical reaction.

Aqueous

A solution in which the solvent is water.