( ( Conservation ( of ( ( Matter ( and ( Stoichiometry ( The conservation ) ) ) ) ( of ( atoms ( in ( chemical reactions ) ) ) ) ) ) ) ( ( ( leads ( to ( ( the principle ) ( of ( conservation ( of ( ( matter and ) ( the ability ) ) ) ) ) ) ) ) ( to ( calculate ( ( the mass ) ( of ( ( products and ) reactants ) ) ) ) ) ) . ) )
(ROOT (S (NP (NP (NNP Conservation)) (PP (IN of) (NP (NP (NNP Matter) (CC and) (NNP Stoichiometry) (NNP The) (NN conservation)) (PP (IN of) (NP (NP (NNS atoms)) (PP (IN in) (NP (NN chemical) (NNS reactions)))))))) (VP (VBZ leads) (PP (TO to) (NP (NP (DT the) (NN principle)) (PP (IN of) (NP (NP (NN conservation)) (PP (IN of) (NP (NP (NN matter)) (CC and) (NP (DT the) (NN ability)))))))) (S (VP (TO to) (VP (VB calculate) (NP (NP (DT the) (NN mass)) (PP (IN of) (NP (NNS products) (CC and) (NNS reactants)))))))) (. .)))
Conservation of Matter and Stoichiometry The conservation of atoms in chemical reactions leads to the principle of conservation of matter and the ability to calculate the mass of products and reactants.
(ROOT (S (NP (NNS Atoms)) (VP (VBP make) (NP (NNS products)) (PP (IN by) (S (VP (VBG rearranging) (NP (PRP$ their) (NN chemical) (NNS bonds)) (PP (IN in) (NP (DT a) (NN reactant))))))) (. .)))