Be sure to answer all parts. Ethanol (C₂H6O), a gasoline additive, is formed by the reaction of ethylene (CH₂=CH₂) with water. The AH for this reaction is -9.0 kcal/mol. H H C C H H ethylene H₂O - a. How much energy is released when 12.0 g of ethylene reacts? kcal of energy released b. How much energy is released when 2.9 g of ethanol is formed? kcal of energy released Report your answer to appropriate number of significant figures. C₂H6O ethanol

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