A heat pump removes 2060 J of heat from the outdoors and delivers 3060 J of heat to the inside of a house. (a) How much work does the heat pump need? (b) What is the coefficient of performance of the heat pump?

Q: During a cyclic process, a heat engine absorbs 550 J of heat from a hot reservoir, does work and…

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Q: Let's say that a fridge operates between temperatures of 4°C and 31.0°C. A particular fridge has a…

A: T1 = 4oC T2 = 31oC COP = 4.50

Q: A heat pump has a coefficient of performance equal to 4.15 and requires a power of 1.61 kW to…

A: Given:Co-efficient of performance, Bh = 4.15Poer, P = 1.61 kW

Q: (a) What is the best coefficient of performance for a heat pump that has a hot reservoir temperature…

A: (a) Given Data: The temperature of the hot reservoir is, Th=50.0 oC. The temperature of the cold…

Q: In each cycle of its operation, a heat engine expels 2,900 J of energy and performs 1,600 J of…

A: energy expelled = 2900 J work done = 1600 J a) thermal energy that must be added to engine in each…

Q: In each cycle of its operation, a heat engine expels 5,900 J of energy and performs 1,700 J of…

A: The amount of heat released or expelled by the engine, Qreleased = 5900 J The amount of work done by…

Q: In one cycle, a heat engine takes in 1160 J of heat from a high-temperature reservoir and releases…

A: A heat engine is a thermodynamic-engine based on the second law of thermodynamics. The heat engine…

Q: A heat engine operates between a reservoir at 29 degrees Celsius and one at 356 degrees Celsius.…

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Q: An engine is designed to obtain energy from the temperature gradient of the ocean. What is the…

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Q: cyclical heat engine has 20.5 % efficiency with 4.4 × 109 J of heat input. (a)  What is the work…

A: First we use the formula of efficiency of heat engine. Then we calculate the heat output After that…

Q: What is the maximum efficiency of a heat engine whose operating temperatures are 700 ∘C and 330 ∘C?

A: Given: Lower temperature, T1 = 330 ℃ Higher temperature, T2 = 700 ℃ To determine : the maximum…

Q: An ideal, reversible heat pump is taking heat from the outside air at -11.5 °C and discharging it…

A: Given : Reversible heat pump is taking heat from the outside air at -11.5 °C.…

Q: (a) What is the best coefficient of performance for a refrigerator that cools an environment at…

A: Part (a) Given: The temperature that transfer the heat is T1=45 C. The temperature that cools the…

Q: A certain heat engine does 9.0 kJ of work and 7.50 kJ heat transfer occurs to the environment in a…

A: Given data: Work done by heat engine, W=9.0 kJ Heat transfer to the environment, QC=7.50 kJ

Q: In each cycle of its operation, a heat engine expels 2,500 J of energy and performs 1,900 J of…

A:

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: What is the coefficient of performance of an ideal heat pump that pumps heat from a cold temperature…

A: given,TL=-23.9°C     =249.25 KTH=32°C      =305.15 Kcoefficient of performance:COP=THTH-TL

Q: what is the maximum possible coefficient of performance of a heat pump that brings energy from…

A: Given: Temperature, Th = 22o C = 273+22 = 295 K and Tc = 3o C = 273+3 = 276 K

Q: A heat engine is designed to do work. This is possible only if certain relationships between the…

A: Temperature of the source = ThHeat absorbed from the source = QhTemperature of the sink = TcHeat…

Q: A heat pump is used to heat a house in the winter and then reversed to cool the house in the summer.…

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Q: In one cycle a heat engine absorbs 3.82 * 104 J of heat from the hot reservoir and rejects 3.16 *…

A: Given, Heat absorbed, Qa=3.82×104 J Heat rejected, Qr=3.16×104 J   We know, Efficiency is given by:…

Q: the coefficient of performance of a room conditioner is 3.1 on a hot day and uses 950 W of…

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Q: As a gasoline engine is running, an amount of gasoline containing 13,600 J of chemical potential…

A: Given: Input energy, E=13600 J Work done, W=3400 J

Q: A heat pump has a coefficient of performance equal to 4.85 and requires a power of 1.61 kW to…

A:

Q: A heat pump delivers 1.0 kJ of heat to the inside of a house on a day when the outside temperature…

A: Convert the temperature from degrees Celsius to Kelvin.

Q: The bulldozer for the DPWH road widening project at Koronadal City has a gasoline engine that takes…

A: Introduction: Concepts of Heat Engine: It is a thermodynamic engine works on a first law of…

Q: During each cycle a reversible engine absorbs 3100 J of heat from a high-temperature reservoir and…

A: We are aware that the engine generates 3100 J of heat and uses 1900 J of energy to work. We have to…

Q: (a) What is the best coefficient of performance for a heat pump that has a hot reservoir temperature…

A: (a). Cop = 5.07  (b).  Q = 4.36*106 (c).  0.033

Q: An automobile engine takes in 20 000 J of heat by burning fuel and delivers 5 000 J of mechanical…

A: The efficiency of the engine is calculated by using the formula e=EoEi , where Eo= 5000 J is the…

Q: Suppose that a heat engine takes 3.20  104 J of heat from the high-temperature reservoir to produce…

A:

Q: A particular condominium uses a heat pump with a coefficient of performance of 3.85 to heat its…

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Q: A refrigerator requires 160 J of work and exhausts 650 J of heat per cycle. What is the…

A: Work = W = 160 JHeat exhausts = Q = 650 J

Q: A‭ ‬heat‭ ‬pump‭ ‬has‭ ‬a‭ ‬coefficient‭ ‬of‭ ‬performance‭ ‬3.0‭.‭ ‬How‭ ‬much‭ ‬heat‭ ‬is‭…

A: Coefficient of performance of heat pump, COP = 3.0 Heat removed from the cold reservoir, Qc = 300…

Q: r. Similarly, a person can be viewed as a heat engine that takes an input of internal energy, uses…

A: Given:- Suppose a trained athlete can function as a heat engine with an efficiency of 0.16. The…

Q: What is the Carnot efficiency (in percent) of a heat engine operating between the temperatures of…

A: Given: T1=668K, T2=443K The Carnot efficiency of the heat engine operating between the given…

Q: The engine of a large ship does 2.00 × 108 J of work with an efficiency of 5.00%. (a) How much heat…

A: a) The expression for find heat transfer into the system is η=WQinQin=Wη Substitute values in the…

Q: Suppose a heat engine is connected to two energy reservoirs, one a pool of molten aluminum (660°C)…

A: This is a problem regarding the efficiency of an engine. The efficiency of an engine is given by the…

Q: A heat pump has a coefficient of performance equal to 4.85 and requires a power of 1.76 kW to…

A: