A good refrigerator should have a high COPR typically 5. Then a good heat pumps should have a high COPHP typically is: 7 None of the above All of the above O 4
Q: a 2.0kg block moving with an initial speed of 5m/s slides on a rough table and it stopped by the…
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Q: Shown below is the PV-diagram for a clockwise cycle. Determine the work done during the cycle, the…
A: Given that the system's is in circular motion so dw=0 and work are both equal to zero. U therefore…
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A: It is known that if a P-V diagram is given , then the net work done is equal to the area bounded by…
Q: Calculate the efficiency of an engine for a given cycle of an ideal gas?
A: Efficiency of an engine for a given cycle of an ideal gas is given as shown below.
Q: A 650 g copper block at 100 degrees C is dropped into 1.00 kg of water at 10 degrees C. Find the…
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Q: a 2.0kg block moving with an initial speed of 5m/s slides on a rough table and it stopped by the…
A: Given: The mass of the block is 2 kg. The initial speed of the block is 5 m/s.…
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Q: A Carnot engine is running at 30% efficiency and at a rate of 12 cycles/s. It absorbs 1000 J of…
A: Given data as per question efficiency =30% Heat Absorb =1000 j Calculations Efficiency(η)= 1−T2T1η=…
Q: If the cold temperature reservoir of a Carnot engine is held at a constant 342 K, what temperature…
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Q: Compare the thermodynamic efficiency limits for heat engines operating from a) a 150 degrees C…
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Q: Find the network output of the thermodynamic cycle (1-2-3-4-5-6-1) shown in the figure below. P(bar)…
A: Solution: In a clockwise cycle the total work done will be 0J See calculation below:
Q: A Carnot cycle with 75% efficiency, what is the minimum to maximum temperature ratio? O 3/4 O 4/3 O…
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Q: A Carnot heat engine receives heat from a thermal energy reservoir at 1150°C and has a thermal…
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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: For a reversible process, the entropy generation and thus the exergy destruction are zero? Explain.
A: Introduction: Thermodynamics plays a crucial role in the system where the energy exchange or energy…
Q: 2.A refrigerator has a coefficient of performance equal to 6.00. The refrigerator takes in 110 J of…
A: For a refrigerator Work done is given by W= Q1 - Q2 Q1 is the Heat expelled to the hot reservoir.…
Q: a 2.0kg block moving with an initial speed of 5m/s slides on a rough table and it stopped by the…
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Q: A 2.00 kg piece of lead at 40.0°C is placed in a very large quantity of water at 10.0°C, and thermal…
A: mass of piece of lead (m) = 2 kg Initial temperature of lead = 40oC temperature of a very large…
Q: a 2.0kg block moving with an initial speed of 5m/s slides on a rough table and it stopped by the…
A: Given that,Mass : m= 2 (kg)Initial speed : vi = 5 (m/sec)Temperature : T = 24°C = 24+273 = 297…
Q: Calculate the change in entropy, inJ/K. when 24 kg of copper is heated reversibly from 27 "C to 270…
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Q: Reversible 2T heat engine works between 1200 K and 600 K. Its work output per cycle is 100 J. What…
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Q: An engine working between 300 K and 600 K has work output of 800 J per cycle. The amount of heat…
A: Assuming a Carnot Engine, the efficiency of the engine is given by: n = 1 - Tc/Th = 1 - (300/600) =…
Q: Question 13 The coefficient of performance of a refrigerator is 2 . It absorbs 50 J of heat from the…
A: Concept: Here, the question is from Thermodynamics. Given in the Question The Coefficient of…
Q: In a mechanical refrigerator, if low-temperature coils or coils are at a temperature of -13C and…
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Q: P6
A: Given that,Mass : m= 2 (kg)Initial speed : vi = 5 (m/sec)Temperature : T = 24°C = 24+273 = 297…
Q: One kilogram of aluminum at 0oC is placed in an insulated container with one kilogram of copper at…
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Q: My Vitamix blender can make hot water mechanically. The blender takes 32 oz of water at 25DegC and…
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Q: CALC You make tea with 0.250 kg of 85.0°C water and let it cool to room temperature (20.0°C). (a)…
A: We must figure out how the entropy of cooling water changes.We are aware that water has a mass of…
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: A Carnot engine has a power output of 150 kW. The engine operates between two reservoirs at 20.0 °C…
A: Given, Power,P=150000 watt T1= 20°C =293.15°K T2=500°C=773.15°K
Q: 45-g of water at 14°C is heated until it becomes vapor at 100°C. Calculate the change in entropy of…
A: Given, Mass=45g Initial Temperature=14degree Final temparature=100degree
Q: Suppose you want to operate an ideal refrigerator with a cold temperature of -10.0C, and you would…
A: The temperature of the cold reservoir is, TC=-10+273 K=263 K The coefficient of performance of an…
Q: A Carnot engine has a power output of 150 kW. The engine operates between two reservoirs at 20.0 °C…
A: Output Power P = 150kW = 150×10³ W P = 1.5×105 W Higher temperature TH = 500°C TH = 500+273.15 K =…
Q: Find the energy expelled to the hot reservoir of a refrigerator has a coefficient of performance…
A: Given :- Coefficient of performance COP=3 Energy taken from cold reservoir Q1=179 J To Find :-…
Q: 7. A refrigerator operating on the reversed Carnot cycle has a measured work input of 200 kW and…
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Q: A Carnot refrigeration cycle is used as a reference to estimate the energy needed in an attempt to…
A: The temperature of sample is reduced by removing some energy from it. Due to this the entropy will…
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: How can the thermal conduction of heat from a hot object to a cold object increase entropy when the…
A: Concept used: Second law of thermodynamics is used. Heat flows from a hotter object to a colder one.
Q: 2) A 10.30 kg piece of lead at 57.1°C is placed in a very large quantity of water at 6.19°C, and…
A: Specific heat of lead, Cp=130 J/(kg.K) Mass, m=10.30 kg Initial temperature,…
Q: Shown below is the PV-diagram for a clockwise cycle. Determine the work done during the cycle, the…
A:
Q: Define the system to be a chunk of dry ice. If the dry ice sublimates to gaseous carbon dioxide, did…
A: The system in this scenario is a chunk of dry ice, also known as solid carbon dioxide, which is a…
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