chemical activation
When some of the energy required for a reaction is provided by a preceding exothermic chemical reaction there is said to be chemical @A00093@. For example, in the scheme:
some or all of the energy required for X to decompose is provided by the first reaction.
PAC, 1996, 68, 149. (A glossary of terms used in chemical kinetics, including reaction dynamics (IUPAC Recommendations 1996)) on page 158 [Terms] [Paper]