my ques ok a coumpond containing 3atoms of carbon an 8 atoms ofhydrogen combined in reaction with oxy molecules the two end products of this equation are carbon dioxide co2 an water wat element should i look at first in balancing this question and wen i hav finished balancing this qestion wich chemical or element will hav the largaest no of molecules in this equation help pleese

Question

my ques  ok  a coumpond containing 3atoms of carbon an 8 atoms ofhydrogen combined in reaction with oxy molecules the two end products of this equation are carbon dioxide co2 an water  wat element should i look at first in balancing this question  and wen i hav finished balancing this qestion wich chemical or element will hav the largaest no of molecules in this equation   help pleese

drwls · Answer

You are talking about the combustion of propane (C3H8). The reaction that takes place is C3H8 + 5 O2 -> 3 CO2 + 4H2O The chemical with the most molecules per reaction is O2.