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    A heat engine has an energy source of 500 degrees Celsius, and it has a cooling system at 90 degrees Celsius. What is the maximum efficiency possible of this engine? If the engine does 100 kJ of work what is the least amount of heat it must exhaust?

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    https://brainmass.com/physics/heat-engines/heat-engine-40522

    Solution Preview

    Maximum efficiency= 1- T(cold)/T(hot)
    T(cold)= 90 degrees Celsius = 363.15 =90+ 273.15
    T(hot)= 500 degrees Celsius = 773.15 =500+ 273.15

    Therefore maximum ...

    Solution Summary

    Calculates the maximum efficiency possible of a heat engine, and the least amount of heat that it must exhaust.

    $2.49

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