Chemistry Homework help PLEASE!! I tried to solve it so many times but I couldn t.?

Posted on 2017-05-17 18:16:00 in Chemistry by ABDALHADI

Engine efficiency depends on the reactant proportions 

gasoline + air -----> carbon dioxide + water + energy 
2 C8H18(g) + 25 O2(g) -----> 16 CO2(g) + 18 H2O(g) + 10,900 kJ 

How many liters of air must react with 1.000 L of isooctane in order for combustion to occur completely? At 20 degrees Celcius, the density of isooctane is 0.6916 g/mL, and the density of oxygen is 1.331 g/L. (Hint: remember to use the percentage of oxygen in air.)

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