Chemical Reactions

Front

What does the Law of Conservation of Mass state?

Back

Matter cannot be created or destroyed, and the mass of the products must equal the mass of the reactants.

Front

What is a Chemical Change?

Back

A change that results in the formation of new substances, such as when food is digested.

Front

What is a Physical Change?

Back

A change that does not create new substances, such as ice melting into water.

Front

What are Products in a chemical reaction?

Back

The elements or compounds that are formed as a result of a chemical reaction.

Front

What are Reactants in a chemical reaction?

Back

The substances that undergo change during a chemical reaction.

Front

Can matter be created or destroyed in a chemical reaction?

Back

No, according to the Law of Conservation of Mass, matter cannot be created or destroyed.

Front

What happens to bonds during a chemical reaction?

Back

Bonds are broken and new bonds are formed, creating new substances.

Front

What is an example of a Chemical Change?

Back

Burning wood, which produces ash and smoke.

Front

What is an example of a Physical Change?

Back

Dissolving sugar in water, which does not change the sugar's chemical structure.

Front

What is a catalyst?

Back

A substance that speeds up a chemical reaction without being consumed in the process.