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erreese

  • 3 years ago

The heat of combustion of gasoline is 48 MJ/kg, and one gallon of gas has a mass of 3 kg. If it burns at 390°C, and the outside temperature is 23°C, what is the maximum work you can get out of 14 gallons of gasoline?

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  1. ac7qz
    • 3 years ago
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    Use the formula for thermal efficiency for a Carnot engine. You have Th and Tc and Qin, it's an easy plug&chug problem.

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