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"The heat engine uses 1.00x10^-2

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
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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
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A calorimeter with specific heat of 490x10^2J/kg^1K^1 has a mass of 2.00x10^-1kg that contains 3.00x10^-1kg of liquid water at
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2. asked by Tsunayoshi
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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
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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
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"The heat engine uses 1.00x10^-2 mol of a diatomic gas as the working substance. Determine the temperatures at the 3 points."Fro
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2. asked by Summer
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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
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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
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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. 101 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