It is released as heat. It generates a current. It increases product mass. It is transformed into neutrons.
I am hesitating between 4 options to answer the following question, which option should I choose?
Question: What happens to the chemical energy in methane's bonds when methane reacts with oxygen and forms H_{2}O and CO_{2}?
Possibilities:
- It is released as heat.
- It generates a current.
- It increases product mass.
- It is transformed into neutrons.

It is released as heat.