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The maximum possible efficiency of a reversible heat engine is 79.46% when the cold temperature is 224.0 degrees Celsius. What is the hot temperature in degrees Celsius?
 Aug 17, 2013

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n = (T1-T2)/T1 = 1-T2/T1

T2 = 224 deg

n = 1-T2/T1
n-1 = -T2/T1
T1 * (n-1) = -T2
T1 = -T2/(n-1)

[input]-224 / (0.7946-1)[/input]
1090.55 degree Celsius.
 Aug 17, 2013

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