( ( Chapter subjects ) ( ( include ( ( ( ( ( ( ( ( chemical reactions ) , ) electrochemistry ) , ) ( nuclear reactions ) ) , ) and ) ( ( atoms and ) molecules ) ) ) . ) )
(ROOT (S (NP (NN Chapter) (NNS subjects)) (VP (VBP include) (NP (NP (NN chemical) (NNS reactions)) (, ,) (NP (NN electrochemistry)) (, ,) (NP (JJ nuclear) (NNS reactions)) (, ,) (CC and) (NP (NNS atoms) (CC and) (NNS molecules)))) (. .)))
Chapter subjects include chemical reactions, electrochemistry, nuclear reactions, and atoms and molecules.
(ROOT (S (NP (NNP Electrochemistry)) (VP (VBZ is) (NP (NP (DT the) (NN study)) (PP (IN of) (NP (NP (DT the) (NN relationship)) (PP (IN between) (NP (NN electricity) (CC and) (NN chemical) (NNS reactions))))))) (. .)))