What is the balanced chemical equation for C8H18+O2 = CO2+H2O?

##2 C_8H_18 + 25 O_2= 16 CO_2 + 18 H_2O##

Use this website to balance diffcult chemical reactions, but don't grow too dependent upon it because you will be tested over this stuff and won't have the website available.

http://www.webqc.org/balance.php

Always try and balance the species that is least apparent on both sides and go from there. When you fail, try and try again!