Which processes occur when energy is removed from a substance

The nuclear fission process releases neutrons and question 27 options: alpha particles electrons energy beta particles

When hydrochloric acid reacts with potassium hydroxide solution, the following reaction occurs. hcl (aq) + koh (aq) h2o (l) + kcl (aq) the reaction gives off heat energy, so it is an reaction.

Hey guys so i need to know what is _nh3+> nh4oh ~chemistry~