Law of Conservation of Mass

Front

What is the Law of Conservation of Mass?

Back

The Law of Conservation of Mass states that mass cannot be created nor destroyed in a chemical reaction; it can only change form.

Front

If you mix 125 grams of sugar, 250 grams of water, and 5 grams of flavoring, what is the total weight of the solution?

Back

380 grams.

Front

What happens to mass during a chemical reaction according to the Law of Conservation of Mass?

Back

The mass of a chemical reaction remains constant.

Front

Can mass be created or destroyed in a chemical reaction?

Back

No, mass cannot be created or destroyed; it can only change form.

Front

What is an example of a process that does not involve a chemical reaction?

Back

Melting of ice.

Front

What does it mean when we say matter can be transformed?

Back

It means that matter can change from one form to another, but the total mass remains the same.

Front

What is an example of a chemical reaction?

Back

Burning of wood.

Front

What is the difference between a physical change and a chemical change?

Back

A physical change alters the form of a substance but not its chemical composition, while a chemical change results in the formation of new substances.

Front

What happens to the total mass of reactants and products in a closed system?

Back

The total mass of reactants equals the total mass of products.

Front

What is an example of a chemical reaction involving an acid and a base?

Back

Mixing vinegar and baking soda.