Conservation of Mass

Front

What do we call the chemicals that result from a chemical reaction?

Back

Products

Front

Which of the following is a sign that a chemical reaction has occurred?

Back

Formation of a gas

Front

When sodium and chlorine combine to form sodium chloride, sodium chloride is the:

Back

Product

Front

The Law of Conservation of Mass states that matter can neither be __________ or __________.

Back

Created; destroyed

Front

If 12g of Carbon reacts with 16g of Oxygen, how much carbon monoxide (CO) is formed?

Back

28 g

Front

What is the Law of Conservation of Mass?

Back

The principle that in a closed system, the mass of the reactants equals the mass of the products.

Front

What is a reactant in a chemical reaction?

Back

A substance that undergoes change during a chemical reaction.

Front

What is the significance of balancing chemical equations?

Back

To ensure that the Law of Conservation of Mass is upheld.

Front

What happens to the mass of substances during a chemical reaction?

Back

The total mass remains constant; it is neither created nor destroyed.

Front

What is an example of a physical change?

Back

Melting ice.