8. A Carnot refrigerator extracts 300J of heat from a 280K cold reservoir every cycle. The hot reservoir temperature is 300K . What is the performance of the refrigerator? b. How much input work is required for this to happen? C. How much heat is dumped into the hot reservoir?

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Q: 10. A car diesel engine is able to take 15000 J of heat as it does 4000 J mechanical work in a…

A: Heat supplied to diesel engine: Q = 15000 J Work done by diesel engine: W = 4000 J

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Q: An ice-making machine operates in a Carnot cycle. It takes heat from water at 270 K and rejects heat…

A: Given: Heat extracted from cold reservoir per cycle is given; 27. Thermal efficiency of this…

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A: For a refrigerator  Work done is given by W= Q1 - Q2 Q1  is the Heat expelled to the hot reservoir.…

Q: 49. . A Carnot engine with an efficiency of 40% oper- ates with a low-temperature reservoir at 40 °C…

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Q: Problem 3. A heat engine operates in a Carnot cycle between 40.0°C and 230°C. It absorbs 15kJ of…

A: Given: Temperature of cold reservoir, Tc = 40o C = 40+273 = 313 K Temperature of hot reservoir, Th =…

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A: (a) The net power output is given by, P=QH-QC+QLt Here, QH is the heat received from the furnace, QC…

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Q: A gas undergoes isobaric process with a constant pressure of 2000 Pa. If the heat of 800 J is added…

A: Dear student,                     According to the guidelines I am allowed to answer only one…

Q: 1. A Carnot engine works at high temperature 600 Kelvin with the efficiency of 40%. If the…

A: Given A Carnot engine works at high temperature 600 Kelvin  efficiency = 40%. If the efficiency of…

Q: 1. Calculate the efficiency of the heat engine as shown below. 2. Write the First Law of…

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Q: 1. What is the best coefficient of performance possible for a hypothetical refrigerator that could…

A: Given: The temperature of the cold reservoir is -190oC. The temperature of the hot reservoir is…

Q: 2. What is the maximum efficiency of a heat engine whose operating temperatures are 560°C and 345°C?…

A: Given data: 2.  Operating temperatures:  TH=5600C=560+273 K=833 K TC=3450C=345+273 K=618 K 3.…

Q: 1. A heat engine with an efficiency of 35% does 600 J of work in each cycle. How much heat must be…

A: Given values: Efficiency of heat engine in percentage, η=35 % Work, W=600 J

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Q: 5. Would a 100%-efficient engine violate the first law of thermodynamics? What about a workless…

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Q: 5. A heat engine with a high temp reservoir at 400K has an efficiency of 0.20. What is the max…

A: Write the equation for the efficiency of the heat engine. Efficiency η=1-Lower reservoir…

Q: 2) What is the coefficient of performance of a refrigerator that operates with Carnot efficiency…

A: Temperatures; T1=-3 oC=271 K T2=27 oC=300 K

Q: An ice-making machine operates in a Carnot cycle. It takes heat from water at 0.0C and rejects heat…

A:

Q: 1. An engine can turn 750 J of input energy into 125 J of useful work. Calculate the remaining…

A: 1) here we are given with  Input energy, Ein = 750 J  Useful Work, W = 125 J  2) For 2nd we are…

Q: Suppose a Carnot engine has an efficiency of 45 % and a cold reservoir temperature of 28.5°C.…

A: Efficiency percentage of carnot engine = 45 % temperature of cold reservoir (Tc) = 28.5oC = 28.5+273…

Q: 8. A heat engine with an efficiency of 40% takes in 600 J of heat from the high-temperature…

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Q: Explain why it is impossivle for any process to be more than 100% efficient.  Give an example of a…

A: Particularly the process doesn't  mentioned, so let me consider an example

Q: 5. A heat engine absorbs 2.00 kJ from a hot reservoir at 550 K and expels 1.15 kJ to a cold…

A: We have a heat engine working between a hot reservoir at temperature T1=550 K and cold reservoir at…

Q: A Carnot refrigerator extracts 300J of heat from a 280K cold reservoir every cycle. The hot…

A: