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

What is a product in a chemical equation?

Back

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

Front

What does a coefficient in a chemical equation represent?

Back

The number that indicates how many molecules or moles of a substance are involved in the reaction.

Front

How do you balance a chemical equation?

Back

By adjusting the coefficients of the reactants and products to ensure the same number of each type of atom on both sides.

Front

What is the significance of balancing chemical equations?

Back

It reflects the Law of Conservation of Mass, ensuring that mass is conserved in a chemical reaction.

Front

What is the balanced equation for the reaction of nitrogen and oxygen to form nitric oxide?

Back

N2 + 2O2 -> 2NO.

Front

What is the balanced equation for the decomposition of water?

Back

2H2O -> 2H2 + O2.

Front

What is the balanced equation for the combustion of propane (C3H8)?

Back

C3H8 + 5O2 -> 3CO2 + 4H2O.

Front

What is the balanced equation for the reaction of aluminum and oxygen to form aluminum oxide?

Back

4Al + 3O2 -> 2Al2O3.