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Chemistry, 03.12.2019 03:00 taz64

The automobile fuel called e85 consists of 85% ethanol and 15% gasoli ne. e85 can be used in the so-called flex-fuel vehicles (ffvs), which can use gasoline, ethanol, or a mixas fuels. assume that gasoline consists of a mixture of octanes (different isomers of c8h18), that the average h eat of combustion of c8h18(i) is 5400 k. j / mol, and that gasoline has an average density of 0. 70 g/ ml. the density of ethanol is 0. 79 g/ ml. assume that the density and heat of combustion of e85 can be obtained by using 85% of the values for ethanol and 15% of the values for gasoline. how much en ergy could be released by the combustion of 1.0 l of e85?

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