The motor in a refrigerator has a power of 200W. If the freezing compartment is at 270 K and the outside air is at 300 K, and assuming the efficiency of a Carnot refrigerator, what is the maximum amount of energy that can be extracted as heat from the freezing compartment in 10.0 min?

Q: A refrigerator has a coefficient of performance of (5.0x10^0). When removing (3.600x10^4) J from…

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Q: An ideal refrigerator or ideal heat pump is equivalent to a Carnot engine running in reverse. That…

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Q: An ideal Carnot engine operates between a high-temperature reservoir at 492K and a river with water…

A: Given: The high temperature of the engine is 492 K. The low temperature of the engine is 290 K. The…

Q: A coal-fired electrical power station has an efficiency of 38%. The temperature of the steam leaving…

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Q: A heat engine has quarter the thermal efficiency of a carnot engine operating between 85C and 445C.…

A: Given values -  Tcold=85o C =85+273=358 K THot=445o C=445+273=718 K Therefore,  Efficiency of Carnot…

Q: Imagine a Carnot heat pump operates between an outside temperature of 0 °C and an inside temperature…

A: From the given equation,

Q: What is the ideal efficiency of a reversible heat engine cyclically operating between a source…

A: Given information: Here, Tsource and Tsink are the absolute temperatures of the source and the sink…

Q: Suppose a Carnot engine that has an efficiency of 52% and a cold reservoir temperature of 31 degrees…

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Q: A heat engine having the maximum possible efficiency has an efficiency of 35.0% when operating…

A: The given values are,

Q: A steam turbine operates at a boiler temperature of 450 K and an exhaust temperature of 300 K. What…

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Q: In one cycle a heat engine absorbs 500 J from a high-temperature reservoir and expels 300 J to a…

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Q: The coefficient of performance for a freezer is 7.8. How much heat must be extracted by the freezer…

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Q: A carnot engine takes 2000 J of heat from a reservoir at 300 K, does some work, and discard some…

A: Given data: The high temperature reservoir is at TH=300 K. The lower temperature reservoir is at…

Q: in each cycle a refrigerator absorbs heat of 3.4x10^4J from the cold reservoir. It has a coefficient…

A: Given Data: Heat extracted from the cold reservoir, Q2 = 3.4x104 J/cycle. Coefficient of performance…

Q: What is the maximum efficiency that a heat engine could have when operating between the normal…

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Q: In each cycle of its operation, a refrigerator removes 19 J of heat from the inside of the…

A: The amount of work done to operate the refrigerator is calculated using the following formula: W =…

Q: A particular heat engine has a mechanical power output of 5.00 kW and an efficiency of 25.0%. The…

A: The efficiency of the heat engine,   The power output,   The engine expels energy,

Q: A refrigerator has a coefficient of performance of 3.25. How much work must be suppliedto this…

A: Given data: Coefficient of performance =3.25 Change in heat,Q=261 J Let work done be W: Applying The…

Q: A Carnot engine takes in heat at a temperature of 820 K and releases heat to a reservoir at a…

A: Given Data: The temperature of the cold reservoir is, Tc=470 K The temperature of the hot reservoir…

Q: A Carnot heat engine has an efficiency of 0.700. If it operates between a deep lake with a constant…

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Q: Suppose you want to operate an ideal refrigerator with a cold temperature of −10.0ºC , and you would…

A: It is given that,

Q: A completely reversible refrigerator operates between thermal energy reservoirs at 450 R and 540 R.…

A: The coefficient of performance (COP) of a reversible refrigerator is given by…

Q: You design an engine that takes in 26 kJ of heat at 720 K in each cycle and rejects heat at a…

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Q: A refrigerator uses 1750 J of mechanical work to absorb 3750J from cold reservoir at 260 K. What is…

A: Given: Mechanical work uses by refrigerator = 1750 J Desired effect from cold reservoir = 3750 J…

Q: Find the relation between the efficiency of a reversible ideal heat engine and the coefficient of…

A: The efficiency of the ideal heat engine is given by The efficiency of the reversible refrigerator…

Q: A heat pump extracts 7.0 × 106 J of heat per hour from a well at 280 K and delivers its output heat…

A: write the equation for cofficient of performance of heat pump.Cop =QHWin =THTH  -TL…

Q: A real (non-Carnot) heat engine, operating between heat reservoirs at temperatures of 524 and 287…

A: given data 2.4kJ of net work 3.6kJ of heat tempratures are 524k and 287k thermal efficiency = ?

Q: For an ideal heat engine operating at its maximum possible efficiency of 46%, what is the highest…

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Q: Consider an engine with efficiency of 25%. How much must the temperature of the hot reservoir…

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Q: A heat engine takes 1800 kcal of heat from a hot reservoir at 270oC and vents 1200 kcal to a cold…

A: Given,

Q: A heat engine operates between a reservoir at 30°C and one at 422°C. What is the maximum efficiency…

A: T2 = 30 degree C = 303 K  T1 = 422 degree C = 695 K

Q: What is the best coefficient of performance possible for such a heat pump, if it has a hot reservoir…

A: The temperature of the hot reservoir is, TH=45.0°C+273=318 K The temperature of the cold reservoir…

Q: A refrigerator has a coefficient of performance of 2.0. In each cycle it absorbs 3.4×104 J of heat…

A: Coefficient of performance, COP = 2Heat absorbed, Q = 3.4×104 JHeat released, Qh = ?

Q: A heat engine operates at 48% of its maximum theoretical (Carnot) efficiency. If the temperature of…

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Q: A heat engine uses a heat source at 530 ∘C and has an ideal (Carnot) efficiency of 28 % . To…

A: The ideal (Carnot)  efficiency of a heat engine is given by,  ηideal(%)=1−TLTH×100% Where heat…

Q: An engineer must design a refrigerator that does 300 J of work per cycle to extract 2100 J of heat…

A: Write the variables with suitable value.

Q: What is the ideal efficiency of a heat engine that operates with its hot reservoir at 500 K and its…

A: The efficiency of the heat engine is given by  η= 1 - TcTH

Q: A Carnot refrigerator has a coefficient of performance of 2.5. The refrigerator consumes 50 W of…

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Q: The heat engine operates between temperatures of 320 K and 610 K. In one cycle, the machine takes…

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