A Carnot engine works at high temperature 710°F with the efficiency of 40.2%. If the efficiency of the engine is 65.8% and the low temperature kept constant, what is the high temperature in °F?
Q: 170 g of water at 105°C is converted to steam. What is the entropy change of the water that is now…
A: latent heat of boiling water = 2256 KJ/kg = 2256 J/g mass = 170 g Heat required to change the state…
Q: A Carnot engine has two temperature baths. One is at 400 degrees Celsius, and the other is at 30…
A: Higher Temperature T1=4000C Lower TemperatureT2=300C
Q: A Carnot engine operates between the temperatures Th = 100°C and Tc = 23°C. By what factor…
A: Given Data: The temperature of the hot reservoir is, Th=100℃ The temperature of the cold reservoir…
Q: A pot containing 790 g of water is placed on the stove and is slowly heated from 34°C to 79°C.…
A: We know that change of entropy is,∆S = ms ln(T2/T1)where,m = mass in kg s= specific heat of water =…
Q: 1. (a) What is the hot reservoir temperature of a Carnot engine that has an efficiency of 43% and a…
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Q: An engine absorbed 780,600 J of energy from a reservoir that had a temperature of 714 K and expelled…
A:
Q: The latent heat of vaporization of water is given approximately by L₁ = -2,400Tc + 2,500,000, where…
A: Solution: We have given that The latent heat of vaporization of water Lv=-2400Tc + 25,00,000 where…
Q: Exactly 500 grams of ice are melted at a temperature of 32°F. (Lice = 333 J/g.) What is the change…
A: Given: Here are the given data, Mass, m=500 g Temperature, T=32°F=273°K Lice=333 Jg To find: The…
Q: (a) What is the hot reservoir temperature (in degrees C) of a Carnot engine that has an efficiency…
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Q: If a carnot engine operates between 35 degrees celcius to 76 degrees celcius. What is its thermal…
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Q: A Carnot engine takes in heat from a reservoir at 500°C and releases heat to a lower-temperature…
A:
Q: If the cold temperature reservoir of a Carnot engine is held at a constant 324 K , what temperature…
A: Given data: Cold temperature (TC) = 324 K Efficiency (n) = 0.61 Required:. The hot temperature (TH)
Q: If the cold temperature reservoir of a Carnot engine is held at a constant 331 K, what temperature…
A: Given, Engine efficiency (e) = 0.55 Cold temparature (Tc) =331 k
Q: A Carnot engine operates between the temperatures Th = 100°C and Tc = 24°C. By what factor does the…
A: Theoretical efficiency of carnot engine : Effc=1-TcTh Given : Th=100°C=100+273=373 KTc=24°…
Q: Steam locomotives have an efficiency of 14.0% and operate with a hot steam temperature of 375°C. (a)…
A:
Q: certain gasoline engine has an efficiency of 32.0%. What would the hot reservoir temperature (in °C)…
A: Given Temperature of sink = 2100 C = 210+273 = 483 K Efficiency = 32 %
Q: A Carnot engine takes in heat from a reservoir at 460°C and releases heat to a lower-temperature…
A: Given, Hot reservoir temperature, Th=4600 C=733.15 K, and cold reservoir temperature, Tc=1400…
Q: Steam locomotives have an efficiency of 16.0% and operate with a hot steam temperature of 450°C. (a)…
A: a)
Q: You are hired to build a geothermal power plant that absorbs heat from a hot water spring and…
A: The temperature of the surrounding air in kelvin is, Tc=17+273 K=290 K The efficiency of the Carnot…
Q: n one cycle a heat engine absorbs 460 J from a high-temperature reservoir and expels 310 J to a…
A: Efficiency of the engine ηh=1-QcQh55%ηcarnot=1-QcQh0.551-TlowThigh=1-QcQhTlowThigh=1-10.551-QcQh
Q: Consider an engine with efficiency of 25%. How much must the temperature of the hot reservoir…
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Q: A Carnot engine operates between the temperatures Th = 100°C and Tc = 21°C. By what factor…
A: The initial temperature of the hot reservoir is, Th=100 °C=373 K The temperature of the cold…
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- Problem 5: Suppose a Carnot engine has an efficiency of 45 % and a cold reservoir temperature of 28.5°C. Part (a) What is the hot reservoir temperature, in degrees Celsius, of this Carnot engine? Part (b) What must the hot reservoir temperature be, in degrees Celsius, for a real heat engine that has an efficiency of 45, which is 70% of the maximum efficiency? Assume it has the same cold reservoir, at 28.5°C.Calculate the maximum theoretical efficiency of a heat engine that operates with the hot steam temperature at 390 °C and the cool steam temperature at 230°C. Please give your answer in two decimals, NOT percentage. For example, efficiency of 0.62. Your Answer: AnswerSteam locomotives have an efficiency of 15.0% and operate with a hot steam temperature of 425°C. (a) What would the cold reservoir temperature (in °C) be if this were a Carnot engine? °C (b) What would the maximum efficiency of this steam engine be if its cold reservoir temperature were 150°C? %
- A heat engine is being designed to have a Carnot efficiency of 60% when operating between two heat reservoirs. (a) If the temperature of the cold reservoir is 20°C, what must be the temperature of the hot reservoir? °C (b) Can the actual efficiency of the engine be equal to 60%? O Yes O No Explain your answer.Suppose a heat engine design makes a square on a PV diagram, using a monatomic gas. The high pressure is 3P and low pressure is P. The high volume is 3V and low volume is V. What is the efficiency of the heat engine?In one cycle a heat engine absorbs 520 J from a high-temperature reservoir and expels 310 J to a low-temperature reservoir. If the efficiency of this engine is 57% of the efficiency of a Carnot engine, what is the ratio of the low temperature to the high temperature in the Carnot engine? Tlow Thigh =
- A Styrofoam cup holding 142 g of hot water at 1.00 ✕ 102°C cools to room temperature, 21.0°C. What is the change in entropy of the room? (Neglect the specific heat of the cup and any change in temperature of the room. The specific heat of water is 4,186 J/(kg · °C).)__________ J/KA heat engine is being designed to have a Carnot efficiency of 59% when operating between two heat reservoirs. (a) If the temperature of the cold reservoir is 22°C, what must be the temperature of the hot reservoir? °C(b) Can the actual efficiency of the engine be equal to 59%? YesNo Explain your answer.