A refrigerator has the refrigerant factor 3 and draws 120 W in electrical energy. How much heat remove from the refrigerator compartment for 24 hours? 31.1 MJ 10,4 MJ 3,5 MJ OOO

Q: A woman climbing the Washington Monument metabolizes 590 kJ of food energy. a. If her efficiency is…

A: The objective of the question is to find out how much heat is transferred to the environment when a…

Q: A certain coal-fired power plant has a rated power capacity of P = 950 MW. The output of this plant…

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Q: In a very mild winter climate, a heat pump transfers heat from an environment at 4.00 °C to one at…

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Q: An ideal heat pump uses a cold reservoir with TC = 22°C. The heat pump uses 22 J to remove 94 J from…

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Q: An engine has a hot reservoir that contains 20 MJ of heat energy at 400º c, and a cold reservoir…

A: Given that:QH=20 MJTH=400°CQC=15 MJTC=5°C

Q: a) If an incandescent light bulb requires 100 units of potential energy to deliver only about 12…

A: Given, Incandescent light bulb require 100 unit of potential energy. (Input energy = 100 unit) It…

Q: 19. Water is heated in an open pan where the air pressure is one atmosphere. The water remains a…

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Q: A Carnot heat pump draws heat from the outside to keep your house at temperature Th by providing…

A: Efficiency = (Qh-Qc) / W where Qh is the heat provided to the house, Qc is the heat pulled from the…

Q: 19. How much does the temperature increase when 3.00 kg of water is heated by a 900 W immersion…

A: By principle of energy conservation: The energy produced by the heater = increase in internal energy…

Q: Air approaches a turbine at 2 MPa and 400°C at a speed of 200 m/s and leaves at 100 kPa and 200°C at…

A: please see the next step for solution

Q: ********* a) How much work is done on the steam when 4.21 mol of water at 100°C boils and…

A: Work done on the system is same as latent heat required to convert water into steam. From given no…

Q: When a system transitions from state A to state B along the ACB path, it receives 20,000 cal and…

A: Given data

Q: a.) Calculate the magnitude of Qc, the amount of heat lost in cooling.   b.) Calculate the work done…

A: The image shows a Carnot cycle which consists of four processes:1) b to c denotes an isothermal…

Q: A Carnot refrigerator exhausts heat to the air, which is at a temperature of 25 °C . How much power…

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Q: 850-W refrigerator with a COP of 3.0 extracts heat from the storage chamber at -200C and exhausts it…

A: 850-W refrigerator with a COP of 3.0 extracts heat from the storage chamber at -200C and exhausts it…

Q: A heat source of unknown temperature supplies energy of (74 + 700)k] to a Carnot heat engine. If…

A: It is given that,

Q: The heat engine shown in the figure uses 2.0 mol of a monatomic gas as the working substance.…

A: Given:-  The heat engine is shown in the figure below as  The number of moles of a monatomic  gas…

Q: 5. A machine is used to grind wheat into powder. The grinder runs for 5 minutes, and the machine's…

A:

Q: You want to heat your oven to 400°F. Given that your oven has a surface area of 1m2, about how much…

A: Given  Surface area of oven(A)= 1 m2 Temperature of oven (T) = 400°F We want to calculate power…

Q: A model steam engine of 1.00 kg mass pulls eight cars of 1.00 kg mass each. The cars start at rest…

A: Given Data:Mass of the steam engine Total mass of cars Initial velocity Final velocity Time Distance…

Q: Three different processes act on a system. In process A, 42 J of work are done on the system and 77…

A: If the system undergoes 42 J of work and receives 77 J of heat, we must calculate the system's…

Q: BMR Basal Metabolic Rate is the rate of heat energy generation when a person is at rest. Some diet…

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Q: 2. In an experimental set-up, 5 kg of salt solution is heated in a glass vessel by a 159 W power gas…

A: Given: ui=90kJ/kg, uf=178kJ/kg, m=5kg, Pb=159W, Ps=30W, Pl=50W, n=80% The initial internal energy of…

Q: A car with bad shock absorbers bounces up and down with a period of 0.5 s after hitting a bump. The…

A: Hi, you have submitted multiple questions and it is not specified in which problem you need help.…

Q: Isotherm Adiabat V (em) O 1000 2000 3000 2 mol of nitrogen gas follow the two proce ow much heat is…

A: Solution:

Q: The mechanical energy can be completely converted into heat energy but the whole of the heat energy…

A: True

Q: You need to choose the correct oil for the donut fryer (power of the fryer is 2000W). The oil has…

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Q: A freezer is to be maintained at a temperature of 238 K, a summer day when the ambient temperature…

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Q: (c) What is the work done on the particle between the starting point and the point of furthest…

A: Mass of the particle (M) = 100 g                                         = 0.1 kgAcceleration of the…

Q: The mass of a ship before launch is 55,000 metric tons (ton metric|]. The ship is launched down a…

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Q: 1 K calorie is approximately equal to: a. 41.86 J b. 418.6 J c. 4.186 J

A: Required : 1 K cal in joules.

Q: The structure of a house is such that it loses heat at a rate of 4500 kJ/h per "C difference between…

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Q: You are boiling water in a pot on the stove for your tea. Being the brilliant scientist you are, you…

A: Given. The 0.1 kg of water in a pot is boiling at 100 degrees celsius. In the process of boiling the…

Q: A series of thermodynamic process is shown below. In process ab, 150J of heat is added to the…

A: Given data: The heat added in the process ab is QA=150 J. The heat added in the process bd is QB=600…

Q: A heat pump moves heat from the chilly 8°C air outside a house to the toastier 21°C air inside. The…

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