Question

2. Give an example of conversion of chemical energy
into heat energy.​

Answer 1

Answer:

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.

Answer 2

Answer:

Explanation:

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.

Chemical batteries: Store chemical energy to be changed into electricity.

Biomass: Combustion reaction converts chemical energy into light and heat.

Natural gas: Combustion reaction converts chemical energy into light and heat.