Unit 6 Vocabulary

Front

A reaction that absorbs energy in the form of heat is known as . . .

Back

an endothermic reaction

Front

Chemical Equilibrium

Back

state of balance in which the rate of the forward and reverse reactions are equal

Front

The process by which one or more substances change to produce one or more different substances, defines ___________

Back

a chemical reaction

Front

Energy of motion

Back

kinetic energy

Front

Concentration

Back

This rate factor is influenced by the number of particles present.

Front

What is the law of conservation of mass?

Back

Mass is neither created nor destroyed in a chemical reaction.

Front

What is a catalyst?

Back

A substance that increases the rate of a chemical reaction without being consumed.

Front

Define exothermic reaction.

Back

A reaction that releases energy in the form of heat.

Front

What is activation energy?

Back

The minimum energy required for a chemical reaction to occur.

Front

What is a chemical formula?

Back

A representation of a substance using symbols for its constituent elements.