Balancing Equations Review

Front

The large number before a molecule is called a _______________

Back

coefficient

Front

The arrow in a chemical equation represents the ______.

Back

chemical reaction

Front

The subscript represents the number of ________________ in a chemical equation.

Back

atoms

Front

How many atoms of carbon are present in the products?

Back

6

Front

How many atoms of oxygen are present in the reactants?

Back

18

Front

What are the substances called that are present before a chemical reaction?

Back

reactants

Front

What are the substances called that are produced after a chemical reaction?

Back

products

Front

In a balanced equation, the number of atoms of each element must be _______________ on both sides.

Back

equal

Front

What is the purpose of balancing a chemical equation?

Back

To obey the law of conservation of mass.

Front

What does a coefficient of '2' in front of a molecule indicate?

Back

There are 2 molecules of that substance.