Balancing Chemical Reactions

Front

What is the number of Nitrogen atoms in 2 (NH₄)₂CO₃?

Back

4

Front

How many atoms of aluminum are on each side of the equation: 4Al + 3O₂ --> 2Al₂O₃?

Back

4

Front

What is a coefficient in a chemical equation?

Back

The large number to the left of a formula.

Front

How many atoms of Hydrogen are in the formula 3C₂H₆?

Back

18

Front

What does the Law of Conservation of Mass state?

Back

Matter cannot be gained or lost in a chemical reaction.

Front

What is a chemical reaction?

Back

A process that leads to the transformation of one set of chemical substances to another.

Front

What is the purpose of balancing a chemical equation?

Back

To ensure that the same number of each type of atom appears on both sides of the equation.

Front

What is a reactant?

Back

A substance that takes part in and undergoes change during 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 does it mean to balance an equation?

Back

To adjust the coefficients so that the number of atoms for each element is the same on both sides.