An ideal gas heat engine operates in a Carnot cycle between 227oC and 127oC. It absorbs 6 kcal at the higher temperature. The amount of heat (in kcal) converted into work is equal to

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4.8

3.5

1.6

1.2

answer is D.

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Detailed Solution

η=1-T2T1=WQ⇒W6=1-400500⇒W=1.2 kcal

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