Question: A heat engine is operating between two temperature reservoirs: the hot temperature reservoir is at 2 5 0 C , while the cold temperature reservoir

A heat engine is operating between two temperature reservoirs: the hot temperature reservoir is at

250 C,

while the cold temperature reservoir is operating at

0 C .

I would like you to calculate the Carnot efficiency in two ways

(

see below

) .

.

The first way is INCORRECT! I am having you do this as a surprising percentage of the class each year will use the relative temperature scale instead of the absolute temperature scale in these calculations. Use the temperatures in Celsius. Once again, this is the INCORRECT way.

.

The second way: Use the temperatures in Kelvin. This is the CORRECT way.

A heat engine is operating between two temperature reservoirs: the hot

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