4500J of heat was absorbed from a Carnot engine from a reservoir at 650K. The engine did some work, and discards some heat to a sink at 350K. Evaluate: (i) The heat that is discarded. (ii) The work the engine did. (iii) The efficiency of the system.

Q: 7-32 A 0.5-m³ rigid tank contains refrigerant-134a initially at 200 kPa and 40 percent quality. Heat…

A: Thus the entropy change in refrigerant is 3.875kJ/kg⋅K

Q: Suppose you want to build a Carnot engine with an efficiency of 90%. If the hot reservoir has a…

A: Given data The efficiency of the Carnot engine is given as ηc=90%. The temperature of the hot…

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Q: A heat engine has a thermodynamic efficiency of .4. Calculate one cYCLE heat taken up by the engine…

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Q: A Carnot engine whose high-temperature reservoir is at 620 Ktakes in 550 J of heat at this…

A: The work done  by the Carnot engine is equal to the difference between heat energy  ​absorbed from…

Q: Carnot engine A has an efficiency of 0.62, and Carnot engine B has an efficiency of 0.77. Both…

A:

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: 3. (a) What is the efficiency of a cyclical heat engine in which 75.0 kJ of heat transferoccurs to…

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Q: A typical automobile engine Hot and cold reservoir temperature 515 , 300 K Heat loss of cold…

A: Given: The temperature of the hot reservoir is 515 K. The temperature of the cold reservoir is 300…

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A:

Q: A Carnot engine having an efficiency of 1/10 is being used as a refrigerator. If the work done on…

A: For Carnot engine using as refrigerator,  Work done on engine is given byW=Q1-Q2…

Q: 2. During a cyclic process, a heat engine absorbs 500 J of heat from a hot reservoir, does work, and…

A: Given: Absorbed heat, Q1=500 J Ejected heat, Q2=300 J Required:  Heat efficiency, η=?

Q: 1. (a) In reaching equilibrium, how much heat transfer occurs from 1.4 kg of water at 40°C when it…

A:

Q: 4. (a) Calculate the theoretical efficiency for an Otto-cycle engine with ? = 1.40 and ? = 9.50. (b)…

A: in this question  we take a ideal otto cycles  efficiency  equation and put value  in it.

Q: Suppose you want to build a Carnot engine with an efficiency of 80%. If the hot reservoir has a…

A: Given data:  A Carnot engine  Efficiency (n) = 80% = 0.80 Temperature of hot reservoir (TH) = 1200 K…

Q: A reversible engine converts one sixth of heat input into work. When the temperature of the sink is…

A:

Q: A Carnot engine has an efficiency of 0.475, and the temperature of its cold reservoir is 383 K. (a)…

A: It is given that,

Q: (a)Calculate the cold reservoir temperature of a steam engine that uses hot steam at 450ºC and has a…

A: The temperature of the hot reservoir in Kelvin is The temperature of the cold reservoir can be…

Q: A Carnot engine has a power output of 190 kW. The engine operates between two reservoirs at 20°C and…

A: Given: The output power of the Carnot engine is Po = 190 kW The temperature of the sink is T1 = 20 C…

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Q: (a) How much heat transfer occurs from 20.0 kg of 90.0C water placed in contact with 20.0 kg of…

A: Part-a Given: The mass of hot water m = 20 kg. The temperature of hot water Th = 90 oC. The mass of…

Q: Steam locomotives have an efficiency of 18.2% and operate with a hot steam temperature of 455°C.…

A: Hence the answer in three significant figures is 596.K.

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A: As per our answering guidelines, we will be answering the first question. Kindly post the second…

Q: A Carnot engine has a power output of 100 kW. The engine operates between two reservoirs at 20°C and…

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Q: Which statement is true regarding the entropy change ofan ice cube that melts?(a) Since melting…

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Q: Steam locomotives have an efficiency of 17.0% and operate with a hot steam temperature of 425ºC. (a)…

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Q: A Carnot engine performs 100 J of work while discharging 200 J of heat each cycle. After the…

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Q: How could you design a Carnot engine with 100% efficiency?

A:

Q: A certain heat engine does 31.2 k of work and dissipates 8.34 k of waste heat in a cydical process.…

A: Given Data: The work done by the engine is, W=31.2 kJ The dissipated heat energy is,…

Q: A Carnot engine absorbed 5 kJ of heat at 400K and exhausted 800J of heat at the end of the cycle.…

A:

Q: thermal efficiency

A:

Q: A block of ice at 273 K is put in thermal contact with a container of steam at 373 K, converting…

A: GivenTemperature of ice Tice = 273 KMass of ice converted in water m = 25g = 0.025 kgTemperature of…

Q: Calculate the change in entropy when 1.00 kg of water at 100°C is vaporized and converted to steam…

A: Given : m = 1 kg T = 100°C = 100 + 273 = 373 K

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A:

Q: would a 100% efficient engine violate the first law of thermodynamics? What about a workless…

A: would a 100% efficient engine violate the first law of thermodynamics? What about a workless…

Q: Engine A receives 4 times more input heat, produces 6 tir more work, and rejects efficiency of (a)…

A:

Q: A Carnot engine, whose efficiency is 40%, takes in heat from a source maintained at a temperature of…

A: Efficiency of carnot engine = 40% Temperature of source (T) = 500 K Let the temperature of the sink…