Q: In an exothermic reaction, what, specifically, is released?


Read this paragraph and choose the correct option from the provided answers:

When methane gas is combusted, heat is released, making the reaction exothermic. Specifically, the combustion of 1 mol of methane releases 890.4 kilojoules of heat energy. This information can be shown as part of the balanced equation.

 Choices:

- water

- humidity

- precipitation

- heat


A:
heat