A heat engine receives 7.0

  1. If a carnot engine receives heat from a heat source and discharge 1000J to a heat sink at temperature of 27C in each cycle,
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    2. hiqk asked by hiqk
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  2. 1. A heat engine receives 7000 J of heat and loses 3000 J in each cycle. What is the amount of work done by this engine?
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    2. Rrr asked by Rrr
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  3. 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. kricket asked by kricket
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  4. 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. Iwannaknow asked by Iwannaknow
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  5. A Carnot engine is operated between two heat reservoirs at temperatures 520 K and 300 K. (a) If the engine receives 6.45 kJ of
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    2. Jen asked by Jen
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  6. A Carnot engine is operated between two heat reservoirs at temperatures 520 K and 300 K. (a) If the engine receives 6.45 kJ of
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    2. Jen asked by Jen
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  7. An engine receives 780 J of heat from a hot reservoir and does 180 J of work. What is the efficiency of this engine? What is the
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    2. micheal asked by micheal
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  8. Heat engine X takes four times more energy by heat from the hot reservoir than heat engine Y. Engine X delivers two times more
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    2. jean asked by jean
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  9. A heat engine receives 7.0 x 10^3 J of heat and loses 3.0 x 10^3 J in each cycle. What is the efficiency?1-30% 2-43% 3-57% 4-70%
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    2. shirly asked by shirly
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  10. Just as no mechanical device can be 100% efficient, no heat engine can transfer 100% of its heat to a single object. Some of the
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    2. Jessica asked by Jessica
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