( Typically ( , ( we ( ( use ( ( the ( SI units ) ) ( of ( ( ( ( Joules ( -LRB- ( J -RRB- ) ) ) and ) kilojoules ) ( -LRB- ( kJ -RRB- ) ) ) ) ) ) . ) ) ) )
(ROOT (S (ADVP (RB Typically)) (, ,) (NP (PRP we)) (VP (VBP use) (NP (NP (DT the) (NNP SI) (NNS units)) (PP (IN of) (NP (NP (NNP Joules)) (PRN (-LRB- -LRB-) (NP (NNP J)) (-RRB- -RRB-)) (CC and) (NP (NNS kilojoules)) (PRN (-LRB- -LRB-) (NP (NN kJ)) (-RRB- -RRB-)))))) (. .)))
Typically, we use the SI units of Joules (J) and kilojoules (kJ).
(ROOT (S (NP (NNS Kilojoules)) (VP (VBP are) (ADVP (RB typically)) (VP (VBN used) (S (VP (TO to) (VP (VB measure) (NP (NP (NNP heats)) (PP (IN of) (NP (NN reaction))))))))) (. .)))