The automobile fuel called e85 consists of 85 % ethanol and 15 % gasoline. e85 can be used in so-called "flex-fuel" vehicles (ffvs), which can use gasoline, ethanol, or a mix as fuels. assume that gasoline consists of a mixture of octanes (different isomers of c8h18), that the average heat of combustion of c8h18(l) is 5400 kj/mol, and that gasoline has an average density of 0.70 g/ml. the density of ethanol is 0.79 g/ml. by using the information given, calculate the energy produced by combustion of 1.5 l of gasoline.
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of energy is produced by combustion of 1.5 L of gasoline.
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