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

Answer 1

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.