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Suppose that an internal combustion engine runs on octane for which the enthalpy of combustion is -5515 KJ/ mol and take the mass of 1 gallon of fuel as 3 kg. What is the maximum height, neglecting all forms of friction, to which a car of mass 1000 kg can be driven on 1.00 gallon of fuel given that the engine cylinder temperature is 2000 C and the exit temperature is 800 C?

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