Conservation of Mass Test Review

Front

What does the Law of Conservation of Mass state?

Back

Matter can neither be created nor destroyed.

Front

What are the substances called that are present at the start of a chemical reaction?

Back

Reactants

Front

In the equation H2 + O2 → H2O, does it follow the Law of Conservation of Mass?

Back

No, because there are more atoms in the reactant.

Front

What term describes the measure of the amount of matter in an object?

Back

Mass

Front

What is the term for the result of a chemical reaction?

Back

Products

Front

What is a balanced chemical equation?

Back

An equation where the number of atoms for each element is the same on both sides.

Front

What do we call the numbers in front of compounds in a chemical equation that indicate the number of molecules?

Back

Coefficients

Front

What is the difference between mass and weight?

Back

Mass is the amount of matter in an object, while weight is the force of gravity acting on that mass.

Front

What is the term for the space occupied by an object?

Back

Volume

Front

What happens to the total mass of reactants and products in a chemical reaction according to the Law of Conservation of Mass?

Back

The total mass remains the same.