( ( A ( bomb calorimeter ) ) ( ( ( measures ( the ( enthalpy change ) ) ) directly ) . ) )
(ROOT (S (NP (DT A) (NN bomb) (NN calorimeter)) (VP (VBZ measures) (NP (DT the) (JJ enthalpy) (NN change)) (ADVP (RB directly))) (. .)))
A bomb calorimeter measures the enthalpy change directly.
(ROOT (S (NP (DT A) (NN calorimeter)) (VP (VBZ is) (NP (NP (DT a) (NN device)) (VP (VBN used) (S (VP (TO to) (VP (VB measure) (NP (NN temperature) (NNS changes)) (PP (IN during) (NP (NP (NN chemical) (NNS processes)) (VP (VBN called)))))))))) (. .)))