biology chemical reactions vocab

The energy required to start a chemical reaction

• endothermic

• reactant

• enzyme

• activation energy

A model of a chemical reaction

• Activation energy

• endothermic

• chemical eqation

• product

A process in which the chemical arrangement of a substances changes

• chemical reaction

• chemical equation

• activation energy

• product

A change that absorbs more energy than it releases

• exothermic

• endothermic

A specialized protein that speeds up a chemical reaction

• reactant

• product

• enzyme

A change that releases more energy than it absorbs

• endothermic

• exothermic

A substances involved in a chemical reaction

• product

• reactant

• enzyme

The output of a chemical reaction

• product

• reactant

• enzyme