SEARCH Articles Figures Tables 1,3-Butadiene, 1,2-addition reactions heat of hydrogenation Addition of hydrogen Addition reactions hydrogen Addition reactions hydrogenation Addition reactions, of hydrogen halides Addition, hydrogenation Additives, hydrogenated Hydrogenative addition Photo-Induced Hydrogen Abstraction and Addition Reactions of Aromatic Compounds Reaction L.—(a) Addition of Hydrogen Cyanide to Aldehydes or Ketones Reaction of addition Reactions of Hydrogen