Suppose a Carnot engine that has an efficiency of 52% and a cold reservoir temperature of 31 degrees Celcius. what must the hot reservoir temperature be, in celcius, for a real heat engine that has an efficiency of 52, which is 70% of the maximum efficiency? Assume cold reservoir is still 31 degrees celcius.

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Chapter15: Thermodynamics
Section: Chapter Questions
Problem 30PE: (a) What is the hot reservoir temperature of a Carnot engine that has an eficiency of 42.0% and a...
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Suppose a Carnot engine that has an efficiency of 52% and a cold reservoir temperature of 31 degrees Celcius.

what must the hot reservoir temperature be, in celcius, for a real heat engine that has an efficiency of 52, which is 70% of the maximum efficiency? Assume cold reservoir is still 31 degrees celcius. 

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