Question

What is chemical energy?

Answer 1

Chemical energy is the energy of chemical substances that is released when they undergo a chemical reaction and transform into other substances. Some examples of storage media of chemical energy include batteries, food, gasoline, and oxygen gas.

Answer 2

Here are examples of Chemical Energy:

Coal: Combustion reaction converts chemical energy into light and heat.
Wood: Combustion reaction converts chemical energy into light and heat.
Petroleum: Can be burned to release light and heat or changed into another form of chemical energy, such as gasoline.