Unreasonable Results - What is wrong with the claim that a cyclical heat engine does 4.00 kJ of work on an input of 24.0 kJ of heat transfer while 16.0 kJ of heat transfers to the environment?

Q: Suppose that a heat engine does 6000 J of work while the heat input is 9000 J. What is the…

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Q: Calculate the net work output (in J) of a heat engine following path ABCDA in the figure, where V1 =…

A: Write the given values from the diagram.

Q: The efficiency of a Carnot heat engine is 25%. It takes 4000 J of heat input. What is the heat…

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Q: A Carnot engine operates between 100°C and 20°C. How much ice can the engine melt from its exhaust…

A: Given:  T1 = 100 degree C = 273 + 100 = 373 K  T2 = 20 degree C = 20 + 273 = 293 K  W = 5 x 104 J

Q: In an engine, an almost ideal gas is compressed adiabatically to half its volume.In doing so, 2650J…

A: Given information: Here, ΔW is the work done on the system (negative because work done on the…

Q: calculate the change in internal energy of a system if 300J of heat energy is added to it and if the…

A: Let the heat energy added to the system is denoted by q and the work done by the system is W.

Q: Calculate the net work output of a heat engine following path ABCDA in the figure below.

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Q: Calculate the net work output (in ) of a heat engine following path ABCDA in the figure, where v,-…

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Q: A gas in a closed container is heated with 10 J of energy in an isochoric process. Then, in an…

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Q: 76. Heat Q fl ows spontaneously from a reservoir at 394 K into a reservoir at 298 K. Because of the…

A: The expression for calculate unavailable work is W=T-QTh+QTcQ=WT-1Th+1Tc

Q: The energy output of a heat pump is greater than the energy used to operate the pump. Why doesn’t…

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Q: Explain why heat pumps do not work as well in very cold climates as they do in milder ones. Is the…

A: The coefficient of performance of the heat pump is Suppose the temperature of the hot region is T1…

Q: Is it possible for a heat engine to operate without rejecting any waste heat to a low-temperature…

A: It is not possible for a heat engine to operate without rejecting any waste heat to a…

Q: Justify the second Law of thermodynamics

A: Explanation: The limitation of the first law of thermodynamics is that it does not say anything…

Q: For a certain system executing a cyclic process 350 J of heat are absorbed by the system and 120 J…

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Q: A thermodynamic system undergoes a process in which its internal energy decreases by 500 J. Over the…

A: The expression for the required transferred energy is,

Q: A reversible heat engine receives 4000 KJ of heat from a constant temperature source at 600 K. If…

A: Let T1, T2, and Q1 denote the temperature of the source, temperature of the surrounding, and amount…

Q: energy of cycle comprising four process in which the heat transfers are: 60 kJ/kg, -28 kJ/kg, -35…

A: First law states that the algebraic sum of work and heat tranfers in a cyclic process will be equal.…

Q: List any two applications of thermodynamics.

A: To list any two applications of laws of thermodynamics.

Q: Two identical gases undergo an expansion, one isothermal and the other adiabatic. Both start at the…

A: The work done is greater in case of adiabatic process.

Q: This problem compares the energy output and heat transfer to the environment by two different typ…

A: Given:- The normal efficiency of  η1= 32.16%  η2= 43.52% The same heat transfer into the engine in…

Q: An ideal heat engine operates between 177 degree C and 27 degree C. If the engine takes 5*1000000 J…

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Q: The Work-Energy Theorem VO Each of two Carnot engines uses the same cold reservoir at a temperature…

A: The efficiency of a Carnot engine is given as:η=WQhot Also,η=1-TcoldThot Work energy principle…

Q: Is it theoretically possible to devise a heat engine which will create no thermal pollution?

A: Given:  heat engine with no pollution.

Q: 7. A heat engine cycle consists of a closed cycle subdivided into four legs with the heat transfer…

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Q: How much work is produced and heat dissipated by a Carnot engine if the engine receives heat of 300…

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Q: 2.3 Study the following p-V diagram in figure 1 and answer the que P (N/m) 15 - - A 10 C. + V (m)…

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

A: From the given equation,

Q: Questions 123 – 125 relate to a heat engine which uses heat to do 50 J of work, and then exhausts…

A: Given: The work done is 50 J. The heat exhaust of energy into cold reservoir is 100 J.

Q: Calculate the efficierncy of a Carnot reversible heat engine working between the temperatures 127…

A: Given:  Th = 127 C = 127 + 273 = 400 K  Tc = - 73 C = - 73 + 273 = 200 K

Q: Determine the COP of a refrigerator that removes heat from the food compartment at a rate of 5040…

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Q: An air conditioner removes heat steadily from a house at a rate of 750 kJ/min while drawin electric…

A: (a) Given that, The heat removed is given as Qc=750 kJmin×1 min60 sQc=12.5 kJs Work,  W=5.25…

Q: 40.In a very mild winter climate, a heat pump has heat transfer from an environment at 5.00ºC to one…

A: The expression for the coefficient of performance is ,

Q: What is wrong with the claim that a cyclical heat engine does 4.00 kJ of work on an input of 24.0 kJ…

A: Work output is the difference between the heat transfer into the engine and heat transfer to the…

Q: (2) lihäi The coefficient of performance of a heat pump that is removing heat from the cold outdoors…

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Q: Suppose a highly trained athlete consumes oxygen at a rate of 70.0 mL/(min · kg) during a 30.0-min…

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