Balancing Chemical Equations #1

Front

What is the Law of Conservation of Mass?

Back

Matter cannot be created or destroyed.

Front

What are reactants in a chemical equation?

Back

The substances that undergo a chemical change, found on the left side of the equation.

Front

How do you determine the number of molecules needed to balance a chemical equation?

Back

By ensuring the number of each type of atom is the same on both sides of the equation.

Front

What is a balanced chemical equation?

Back

An equation where the number of atoms for each element is the same on both sides.

Front

What is a coefficient in a chemical equation?

Back

A number placed in front of a compound to indicate how many molecules are involved.

Front

What does it mean if a chemical equation is unbalanced?

Back

It means the number of atoms for at least one element is not the same on both sides.

Front

What is the product in a chemical reaction?

Back

The substances formed as a result of a chemical reaction, found on the right side of the equation.

Front

How do you balance the equation N2 + O2 -> _ NO?

Back

You place a coefficient of 2 in front of NO.

Front

What is the significance of balancing chemical equations?

Back

It reflects the Law of Conservation of Mass, ensuring mass is conserved in reactions.

Front

What is the role of subscripts in a chemical formula?

Back

They indicate the number of atoms of each element in a molecule.