Chemical Reactions

Front

What are the starting materials in a chemical reaction?

Back

Reactants

Front

What must be true for a chemical equation to be balanced?

Back

There must be an equal amount of atoms on both sides.

Front

What effect does grinding a seltzer tablet into powder have on the rate of reaction?

Back

It increases the surface area.

Front

What are the substances listed on the right side of a chemical equation called?

Back

Products

Front

What is a chemical reaction?

Back

A process in which atoms rearrange to form new substances.

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

What is an exothermic reaction?

Back

A reaction that releases energy in the form of heat.

Front

What is an endothermic reaction?

Back

A reaction that absorbs energy from its surroundings.

Front

What is a chemical equation?

Back

A representation of a chemical reaction using symbols and formulas.