Chemical Reactions

Front

What is a chemical reaction?

Back

A process where reactants are transformed into products, involving the breaking and forming of chemical bonds.

Front

What is the Law of Conservation of Mass?

Back

The principle stating that mass is neither created nor destroyed in a chemical reaction; the total mass of reactants equals the total mass of products.

Front

How many atoms of sulfur are in Al₂(SO₄)₃?

Back

3

Front

How many oxygen atoms are in Mg(NO₃)₂?

Back

6

Front

What indicates a chemical change?

Back

Signs include temperature change, formation of a precipitate, and production of light.

Front

What is a decomposition reaction?

Back

A type of chemical reaction where a single compound breaks down into two or more simpler products.

Front

What is a precipitate?

Back

A solid that forms and settles out of a liquid mixture during a chemical reaction.

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 is a reactant?

Back

A substance that undergoes a chemical change in a reaction.

Front

What is a product?

Back

A substance that is formed as a result of a chemical reaction.