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A heat engine absorbs 126 kcal of heat and exhausts

A heat engine absorbs 126 kcal of heat and exhausts 77 kcal of heat in each cycle. Calculate the efficiency (as a percentage)An
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2. asked by Sierra
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A heat engine absorbs 126 kcal of heat and exhausts 77 kcal of heat in each cycle. Calculate the efficiency (as a percentage)
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2. asked by Riley
3. 531 views
A heat engine absorbs 126 kcal of heat and exhausts 77 kcal of heat in each cycle. Calculate the efficiency (as a percentage)
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2. asked by Chelsea
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A heat engine absorbs 126 kcal of heat and exhausts 77 kcal of heat in each cycle. Calculate the efficiency (as a percentage)
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2. asked by Chelsea
3. 540 views
A heat engine exhausts 3 000 J of heat while performing 1 500 J of useful work. What is the efficiency of the engine?
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2. asked by JJ
3. 2,115 views
In one cycle, a heat engine absorbs 4400 J at 500C and exhausts 400 J. How much work does it do per cycle?
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2. asked by Nadya
3. 660 views
In one cycle, a heat engine absorbs 5900 J at 360°C and exhausts 520 J. How much work does it do per cycle?
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2. asked by ashley
3. 461 views
Why is it impossible for a heat engine to be 100% efficient?a. Entropy always decreases in a heat engine b. Work cannot be done
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2. asked by kricket
3. 75 views
Why is it impossible for a heat engine to be 100% efficient?A) Work cannot be done on a heat engine. B) Some heat is always lost
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2. asked by Iwannaknow
3. 153 views
A heat engine absorbs 848 J of energy percycle from a high-temperature source. The engine does 417 J of work during each cycle,
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2. asked by Anonymous
3. 755 views