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. BBC Homepage. Skip to content; ...

Endothermic reactions include solid citric acid and sodium hydrogencarbonate, and dissolving ammonium nitrate in water. Demonstrate a spectacular reaction such as the thermite reaction or the ...

IT is generally agreed that the oxidation of hydrocarbons occurs by steps such as: The initial stage of oxidation as depicted by (1) is endothermic, while (2) and (3), and also many subsequent ...