Biodiesel Fuels Biodiesel fuels are popular alternatives to traditional gasoline fuels as the burn cleaner and produce much less engine residue (keeps your engine cleaner). A common biodiesel fuel is composed of linoleic acid methyl ester, C 19 H 34 O 2 . It has a density of about 0.88 g/mL. 1) Imagine you are using a biodiesel that is 100% linoleic acid methyl ester. Calculate the AF ratio for the combustion of this fuel and compare that to that of octane (C 8 H 18 ). Assume the products of the combustion are CO 2 and H 2 O. 2) Construct a microscopic representation for the complete combustion of this biodiesel fuel (your reaction mixture should represent the reactants in their stoichiometric proportions). 3) Construct an AF graph like the ones we discussed in class. Depict the variations in the concentrations of CO 2 , H 2 O, O 2 , and C 19 H 34 O 2 as the AF increases. 4) If you drive 200 miles in your new soybean powered tour bus and consume 15 gallons of this biodiesel, calculate the amount of CO
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