( ( ( no effect ) ( on ( rate ( of ( chemical reaction ) ) ) ) ) ( ( Reduces ( activation energy ) ) ; ) )
(ROOT (S (NP (NP (DT no) (NN effect)) (PP (IN on) (NP (NP (NN rate)) (PP (IN of) (NP (NN chemical) (NN reaction)))))) (VP (VBZ Reduces) (NP (NN activation) (NN energy))) (: ;)))
no effect on rate of chemical reaction Reduces activation energy;
(ROOT (S (NP (NP (DT The) (NN amount)) (PP (IN of) (NP (NP (NN energy)) (VP (VBN required) (S (VP (TO to) (VP (VB begin) (NP (DT a) (JJ chemical) (NN reaction))))))))) (VP (VBZ is) (VP (VBN known) (PP (IN as) (NP (DT the) (NN activation) (NN energy))))) (. .)))