An exothermic reaction releases energy in the form of light or heat to its surroundings, contrasting with endothermic reactions which absorb energy. The term "Exo" denotes "release," and "thermic ...

Revise and understand what endothermic and exothermic reactions are and how the two reactions affect energy transfer to or from their surroundings.

Revise and understand what endothermic and exothermic reactions are and how the two reactions affect energy transfer to or from their surroundings.