( ( The ( Chemical Reactivity ) ) ( ( Worksheet ( A ( free ( program ( to ( determine ( ( the reactivity ) ( of ( ( ( substances or ) mixtures ) ( of substances ) ) ) ) ) ) ) ) ) ) . ) )
(ROOT (S (NP (DT The) (NNP Chemical) (NNP Reactivity)) (VP (VB Worksheet) (NP (DT A) (JJ free) (NN program) (S (VP (TO to) (VP (VB determine) (NP (NP (DT the) (NN reactivity)) (PP (IN of) (NP (NP (NNS substances) (CC or) (NNS mixtures)) (PP (IN of) (NP (NNS substances))))))))))) (. .)))
The Chemical Reactivity Worksheet A free program to determine the reactivity of substances or mixtures of substances.
(ROOT (S (NP (NP (DT The) (NN ability)) (PP (IN of) (NP (NN matter) (S (VP (TO to) (VP (VB combine) (ADVP (RB chemically)) (PP (IN with) (NP (JJ other) (NNS substances))))))))) (VP (VBZ is) (VP (VBN known) (PP (IN as) (NP (NN reactivity))))) (. .)))