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| 1 . |
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 In the above figure, QH is 10000 J and QC is 6000 J. What is the efficiency? [Hint]
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| 2 . |
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 If the heat engine above is a Carnot engine, and QH is 10000J, what is W? [Hint]
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| 3 . |
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 What is the heat loss, QC? [Hint]
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| 4 . |
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 What is the coefficient of performance (CP) of the reversible (Carnot) refrigerator shown above? [Hint]
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| 5 . |
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 What is the coefficient of performance (CP) of the reversible (Carnot) heat pump shown above? [Hint]
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| 6 . |
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 The heat engine shown above is [Hint]
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| 7 . |
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 The heat engine shown above is [Hint]
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| 8 . |
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 The heat engine shown above is [Hint]
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| 9 . |
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Use this animation The gas in the cylinder is undergoing a Carnot cycle. In which step is the gas absorbing heat? [Hint]
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| 10 . |
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Use this animation In which step is the temperature of the gas animation increasing? [Hint]
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| 11 . |
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Use this animation In which step is the gas animation losing heat? [Hint]
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| 12 . |
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Use this animation In which step is the gas doing work but not exchanging heat? [Hint]
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| 13 . |
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A reservoir delivers 1000 J of heat to another reservoir at 133 oC. What is the increase in entropy of the second reservoir? [Hint]
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| 14 . |
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A reservoir delivers 1000 J of heat to another reservoir at 133 oC. What can be said about the change in entropy of the first reservoir during the process? [Hint]
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| 15 . |
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Entropy is related to order. The chances of getting two heads when you throw two coins is 1/4. What is the chance of getting four heads when you throw four coins? [Hint]
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