Chemical Reactions

Front

In a chemical equation, what does the arrow symbol (->) represent?

Back

The direction of the reaction.

Front

What happens to the mass of the reactants and products in a chemical reaction, according to the law of conservation of mass?

Back

The total mass remains constant.

Front

The Coefficient (3) in the Chemical Formula, 3H2O, tells you how many _____________ there are.

Back

Molecules of Water.

Front

What is the product of a combustion reaction involving carbon hydrogen compounds?

Back

Carbon dioxide and water.

Front

What are the common symbols used in chemical equations to represent solid, liquid, gas, and aqueous solutions?

Back

(s), (l), (g), (aq).

Front

What is a chemical reaction?

Back

A process where reactants transform into products, involving the breaking and forming of bonds.

Front

What is the law of conservation of mass?

Back

Mass is neither created nor destroyed in a chemical reaction.

Front

What is a reactant in a chemical reaction?

Back

A substance that undergoes change during the reaction.

Front

What is a product in a chemical reaction?

Back

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

Front

What does a balanced chemical equation represent?

Back

It shows that the number of atoms for each element is the same on both sides of the equation.