A Carnot machine produces 100 kW of power operating between two 100°C and 1000°C temperature reservoirs. Calculate the change of entropy for the two reservoirs after 20 minutes of operation

Q: A 70.0-kg log falls from a height of 25.0 m into a lake. If the log, the lake, and the air are all…

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Q: A standard basketball has a mass of 1.4 pounds. This basketball is lifted (3 + y/20) ft above the…

A: Write the given values of this problem. m=1.4 poundsm=1.4×0.45359237m=0.635 kgh=3+y20…

Q: If the cold temperature reservoir of a Carnot engine is held at a constant 342 K, what temperature…

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Q: Heat in the amount of 113kJ is transferred directly from a hot reservoir at 810 °C to a cold…

A: Heat, Q = 113 kJTemperature of hot reservoir, Th = 810 °CTemperature of cold reservoir, Tc = 390 °C…

Q: A real heat engine works between two heat sources. The heat absorbed by the machine from the hot…

A: Given: The heat absorbed by the machine from the heat source is, Qh = 7000 J. The temperature of…

Q: suppose we have a cornot engine running between a temp of 100 degrees C and 0 degrees C. Of we…

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Q: A Carnot engine has an efficiency of 30% when the temperature of the sink is 122° F. Then the…

A: Given data, Initially efficiency is ηi=30 %. Temperature of sink Tsink=1220 F. Final efficiency…

Q: On a cold winter day, Pelle spills out 1.0 dl of water with a temperature of 20 Celsius. Two minutes…

A: Given that:V=1.0 dL=0.1 L Ti=20°C=293 KTf=-20°C=253 K

Q: An insulated piston-cylinder device contain 8L of saturated liquid water at a constant pressure of…

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Q: A Carnot heat engine that uses ice at 0°C as cold resevoir does 1500 J of work per cycle, and…

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Q: A 1 kg block of ice initially at -10 °˚C is placed in thermal contact with a very large reservoir at…

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Q: carnot engine operates using a cold reservior and a hot reservior. If the temperature of the cold…

A: Concept   Carnot Engine  T1= temperature of cold reservoir T2=temperature of heat reservoir (n)…

Q: A gasoline engine has a compression ratio of 8.00 and uses a gas for which y = 1.40. (a) What is the…

A: Fhjknncc

Q: A Carnot engine operates in a Carnot cycle between a heat source at 550 °C and a heat sink at 20 °C.…

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Q: an athlete whose mass is 70.0kg drinks 16.0 ounces (454g) of refrigerated water. The water is at a…

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Q: A large block of copper initially at 22.5°C is placed in a vat of hot water (83.2°C). The first 2.20…

A: Temperature of Copper Temperature of Water Heat flow To Determine:The entropy change of the system.

Q: The surface of the Sun is approximately at = 700 K, and the temperature of the Earth’s surface is…

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Q: inal temperature of the a with one mole of ß-Z ated during the process.

A: Mass of one mole of Fe = MFe = 56 g   = 0.056 kgSpecific heat of Fe = CFe = 462 J/ Kg0 CMass of…

Q: Air is compressed by a 40-kW compressor from P to P2. The air temperature is maintained constant at…

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Q: efficiency of a carnot engine is 50%. The temperature of the hot reservoir is kept constant. By what…

A: A

Q: A 91.1 kg log falls from a height of 23.9 m into a lake. If the log, the lake, and the air are all…

A: Convert the temperature from degree Celsius to Kelvin.

Q: Suppose that there are two very large reservoirs of water, one at a temperature of 85.0 °C and one…

A: Temperature of first reservoir (T) = 85oC temperature of second reservoir (T') = 19oC Heat…

Q: If you dropped a 5.4 kg piece of metal (c = 122 J/kg·K) at 642°C in the 16°C ocean, what would be…

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Q: In one cycle a heat engine absorbs 520 J from a high-temperature reservoir and expels 310 J to a…

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Q: In a mechanical power cycle, the air contained in a piston-cylinder occupies 0.004 m3 and undergoes…

A: Concept used: There is no heat loss or heat gain during an adiabatic process.

Q: Calculate the change in entropy of 290 g of water warmed slowly from 25.0°C to 80.0°C. 1/K

A: Given Data  The mass of the water is given as m = 290gm. The initial temperature of the water is…

Q: A Carnot engine has an efficiency of 30% when the temperature of the sink is 122° F. Then the…

A: Given data, In first case, Efficiency η1=30 %. Temperature of sink Tsink1=1220 F. In second case,…

Q: A heat engine whose thermal efficiency is 35 percent uses a hot reservoir at 1100 R and a cold…

A: Given,

Q: What is the total entropy change if a 0.440 efficiency engine takes 3.78E3 J of heat from a 348 degC…

A: To calculate the total entropy change, we can use the equation:ΔS = Q / Twhere ΔS is the total…

Q: A large block of copper initially at 17.3°C is placed in a vat of hot water (84.1°C). The first 1.10…

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Q: 42-g of water at 17°C is heated until it becomes vapor at 100°C. Calculate the change in entropy of…

A: Disclaimer: Since you have asked multiple question, we will solve the first question for you. If you…