Chemical Reactions 2 (23-24)

Front

What is the Law of Conservation of Mass?

Back

The law stating that the mass of products equals the mass of reactants in a chemical reaction.

Front

What happens to the mass of products when reactants are combined?

Back

The mass of the product would be the same as the mass of the reactant.

Front

Which of the following is an example of a chemical reaction?

Back

Vinegar and baking soda combining to produce a gas.

Front

What is a chemical reaction?

Back

A combination of one or more substances to create one or more different substances.

Front

What are reactants in a chemical equation?

Back

Substances that undergo a chemical change in a reaction.

Front

What is a product in a chemical reaction?

Back

The substances that are formed as a result of a chemical reaction.

Front

What is an open system in chemistry?

Back

A system where matter can enter or leave, allowing for the exchange of substances.

Front

What is a closed system in chemistry?

Back

A system where no matter enters or leaves, and reactions occur without external influence.

Front

What is an example of a physical change?

Back

Ice melting into liquid water.

Front

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

Back

A physical change does not alter the identity of a substance, while a chemical change results in the formation of new substances.