A Carnot engine takes 2000 J of heat from a reservoir at 500 K, doessome work, and discards some heat to a reservoir at 350 K. Howmuch work does it do, how much heat is discarded, and what is itsefficiency?

Q: A Carnot engine operates between the temperatures 410 K and290 K. (a) How much heat must be given to…

A: Given data The lower temperature of the Carnot engine is Tl = 290 K. The higher temperature of the…

Q: (a) Rowing your shell to work one day, you give off 4.8 * 105J of heat and do 6.2 * 105J of work.…

A: Using the first law of thermodynamics, we can write, ∆U=q+w where ∆U is the change in internal…

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 efficiency of a fossil-fuel power plant that consumes 380 metric tons of coal each…

A: Heat of Combustion of coal = 28MJ/Kg Amount of coal burnt per hour (given) = 380 metric ton =…

Q: Calculate the efficiency of a heat engine which extracts 3 billion Joules of useful work when 10…

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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: A heat engine exhausts 3 200 J of waste heat while performing 1 500 J of useful net work. What is…

A: Given data: Work done W=1500J Heat exhausted QC=3200J

Q: An aircraft piston engine that burns gasoline (heat of combustion5.0 * 10^7 J/kg) has a power output…

A: Part-a Given: The heat of combustion of the fuel Cv = 5×107 J/kg. The power output P = 1.1×105 W.

Q: ASK YOUR TI Suppose a woman does 913 J of work and dissipates 8,254 J of heat in the process. (a)…

A: ∆U=Q-W=8254 J-913 J=7341 J2.39×10-4 kcal1 J=1.75 kcal

Q: What is the efficiency of a Carnot engine when it gets heat from its hot reservoir at 675K and expel…

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Q: Let’s say that the Carnot engine takes 100 J of heat from a reservoir at 500 K, does some work, and…

A: temperature of hot reservoir = TH= 500K energy from hot reservoir = QH= 100J temperature of cold…

Q: Is the efficiency of a heat engine more in hilly areas than in the plains? Why?

A: Efficiency of heat engines depend on source and sink temperatures. η=1-TsinkTSourceFrom the above…

Q: Consider an inefficient engine that draws 200 J of heat from a hot reservoir at 100o C, converts 48…

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Q: As a gasoline engine is running, an amount of gasoline containing 15,000J of chemical potential…

A: Given value--- amount of gasoline containing 15,000J of chemical potential energy is burned in 1 s.…

Q: What is the ideal efficiency of an engine that runs at 3500 K when the surrounding air is 250 K?

A: The formula for the efficiency is given in terms of temperatures η=1-TcTh

Q: An ideal heat pump, one that satisfies the Carnot relationship W = Qh11 - Tc>Th2, is used to…

A: Given: The room temperature is T=293 K. The outdoor temperature is T'=273 K. The work done is W=275…

Q: A reversible Carnot engine working between two temperatures converts th of the heat supplied into…

A: Let T1 and T2 be the temperatures of source and sink respectively. For efficiency, we have…

Q: An inventor claims a new cyclic engine that uses organic grapejuice as its working material.…

A: heat absorbed, QH = 1250 J  temperature of hot reservoir, TH = 1010 K work, W = 1120J temperature of…

Q: A Carnot engine can be operated with one of the followingfour sets of reservoir temperatures: A, 400…

A: Introduction: The maximum possible efficiency that an engine can have is Carnot efficiency, the…

Q: Carnot engine whose low-temperature reservoir is at 17Chas an efficiency of 40%. By how much should…

A: Given:- T2 =17o C = 17 + 273 = 290 K n1 = 40% = 0.4 n2 = 50% = 0.5

Q: A haeat engine uses a heat source at 580 degrees C and has an ideal (Carnot) efficieng=cy of 22%. To…

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Q: An inventor claims to have devised a cyclic engine which exchanges heat with reservoirs 25ºC and…

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Q: 4500J of heat was absorbed from a Carnot engine from a reservoir at 650K. The engine did some work,…

A: Given: The energy in the engine is Q=4500 J. The temperature of reservoir is T=650 K. The…