Gasoline has an enthalpy of combustion 24000 kJ gallon When gasoline burns in an automobile engine approximately 30 of the

Question

Gasoline has an enthalpy of combustion 24000 kJ gallon When gasoline burns in an automobile engine approximately 30 of the energy released is used to produce mechanical work The remainder is lost as heat transfer to the engine s cooling system As a start on estimating how much heat transfer is required calculate what mass of water could be heated rom 25 C to 75 C by the combustion of 1 0 gallon of gasoline in an automobile Given C H O 4 18 J g C a 34 45 kg d 224 kg b 80 383 kg c 22 kg

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