This reduces {HEAD ~ the amount} of {TAIL ~ water} initially in the reaction mixture and provides a shorter reaction time by preventing the establishment of an unfavorable equilibrium 
of
This reduces { HEAD ~ the amount } of { TAIL ~ water } initially in the reaction mixture and provides a shorter reaction time by preventing the establishment of an unfavorable equilibrium
OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD REL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH