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A heat engine exhauts 122.0

A heat engine exhauts 122.0 kal after taking 499.0 how much mechanical work was done by the engine?
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2. asked by Barbara
3. 459 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. 104 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. 174 views
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. asked by jean
3. 3,433 views
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. asked by Jessica
3. 1,103 views
a carnot heat engine operates between reservoirs at 550K and 300K, discarding 1500J of heat in each cycle.A) What is the
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2. asked by rujiye
3. 1,336 views
A reversibel heat engine operates between thermal reserviors at 900K and 200K.If 9000J of heat is absorbed from the hot
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2. asked by Asrat
3. 249 views
Heat is allowed to flow from the heat source of a heat engine at 425 K to a cold sink at 313 K. What is the efficiency of the
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2. 102 views
A heat engine operates between two thermal reservoirs at 800 and 20"C. One-half of the work output of the heat engine is used to
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2. 173 views
You design an engine that takes in 1.5 x 10^4 J of heat at 650 K in each cycle and rejects heat at a temperature of 350 K. The
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2. asked by Brianna
3. 2,558 views