( and ( ( -LRB- ( C -RRB- ) ) ( ( ( measure and ) ( ( compare ( ( the rates ) ( of ( reaction ( of ( a ( solid reactant ) ) ) ) ) ) ) ( in ( solutions ( of ( varying concentration ) ) ) ) ) ) . ) ) )
(ROOT (S (CC and) (NP (-LRB- -LRB-) (NNP C) (-RRB- -RRB-)) (VP (VP (VB measure)) (CC and) (VP (VB compare) (NP (NP (DT the) (NNS rates)) (PP (IN of) (NP (NP (NN reaction)) (PP (IN of) (NP (DT a) (JJ solid) (NN reactant)))))) (PP (IN in) (NP (NP (NNS solutions)) (PP (IN of) (NP (VBG varying) (NN concentration))))))) (. .)))
and (C) measure and compare the rates of reaction of a solid reactant in solutions of varying concentration.
(ROOT (S (NP (PRP You)) (VP (VBP see) (NP (DT a) (JJR faster) (NN reaction) (NN rate)) (SBAR (WHADVP (WRB when)) (S (NP (NP (DT the) (NN concentration)) (PP (IN of) (NP (NNS reactants)))) (VP (VBZ is) (ADJP (JJR higher)))))) (. .)))