QUESTION 12 80 g of ice at 0.00°c absorbs just enough heat to completely melt. What is the change in entropy of the system? Lf = 334 J/g. a. 108 J/K b. 88 J/K C. 68 J/K d. 98 J/K е. 78 J/K

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: Wood burns at a temperature of approximately 500. °C. One cord of seasoned (dry) firewood releases…

A: This problem can be solved using the formula for change in entropy in a process.

Q: A Styrofoam cup holding 125 g of hot water at 100°C cools to room temperature, 20.0°C. What is the…

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Q: Which of the following is NOT true when two systems with unequal temperatures come into contact with…

A: When two body have difference in temperature there is a natural flow of heat from hotter body to…

Q: 9. A heat engine does 2000 J of work and it loses 6000 J through the exhaust and friction. What is…

A: The first part of the question is asking for the efficiency of a heat engine. The efficiency of a…

Q: Water is slowly warmed from 17.0°C to 85.0°C. If the mass of the water is 320 g, what is the water's…

A: Solution: Given that: Mass of the water is: m=320g=0.32 kg Temperatures are:…

Q: A container with 41 g of a certain liquid (c = 4171 J/kg · °C, Lv=2224 kJ/kg) at 22 °C is heated up…

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Q: A Styrofoam cup holding 130 g of hot water at 97°C cools to room temperature, 23.0°C. What is the…

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Q: 1.75 kg of carbon dioxide sublimate from solid dry ice to a gas at a pressure of 100 kPa and a…

A: Given mass of carbon dioxide m=1.75 kgTemperature T=194.7 KLatent heat of sublimation L=5.77×105…

Q: Half of a 1.5-kg block of ice melts at 0.00°C. What is the change in entropy of the ice? Note that…

A: given that,mass, m=1.5 kgheat of fusion L=333kJkgT=0°C=273 K

Q: If you add 400 J of heat to a system so that the final temperature of the system is 200 K, what is…

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Q: An ice tray contains 360 g of liquid water at 0°C. Calculate the change in entropy of the water as…

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Q: a student adds heat to .350 kg of pure ice at 0.0 degree Celcius until it is completely melted (but…

A: Given data: The mass of ice is m=0.35 kg. Temperature of ice is t=0oC+273=273 K. The temperature of…

Q: 500 g of ice at -10.0°C are placed on top of a 2.00 kg slab of aluminum at 30.0°C. The system is…

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Q: The temperature at the surface of the Sun is approximately 5,600 K, and the temperature at the…

A: Solution: Given data, Sun temperature=5600 K Earth temperature=293 K Energy=5000 J

Q: A heat engine absorbs 2500 J of heat at 250°C and expels 2000 J at a temperature of 50°C. The change…

A: Given: Heat absorbed at T1=250°C is Q1=2500 J Heat expelled at T2=50°C is Q2=2000 J

Q: A large block of copper initially at 23.0°C is placed in a vat of hot water (83.3°C). The first 1.40…

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Q: When an aluminum bar is connected between a hot reservoir at 700 K and a cold reservoir at 300 K,…

A: Temperature of hot reservoir;T1 =700 K Temperature of cold reservoir;T2 =300 K Heat transferred…

Q: Which of the following statements is not consistent witht the second law of thermodynamics?   a.…

A: The correct option is (d).

Q: 1. Which of the following ERM diagram represents a refrigerator? A. в. с. D. TH TC Tc TH QH Qc Qc QH…

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Q: A Carnot engine draws heat energy from a hot temperature reservoir at 250oC and deposits heat energy…

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Q: What is the maximum possible (Carnot) efficiency of a heat engine operating between 20°C and 600°C?…

A: The initial temperature T1 = 20° = 20+273 = 293K The final temperature T2 = 600°C = 600+273 = 873K…

Q: In every cycle of its operation, a Carnot engine takes in 640 J of heat from a reservoir at 380 K…

A: Given, heat taken from reservoir, Q = 640 J temperature of reservoir, TH = 380 K TC = 300 K

Q: A heat engine does 7300 J of work per cycle while absorbing 12 to 0 J of heat energy from the hot…

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Q: 48. On a hot summer day, 4.00×10° Jof heat transfer into a parked car takes place, increasing its…

A: Given  Heat transfer Q=4×106 J T1=35 T2=45

Q: Energy is added as heat to 250 g of water at 10°C, raising its temperature one Celsius degree. a)…

A: Given:  Mass of water = 250 gm Initial temperature of the  gas = 10 degree Celsius = 283 K Final…

Q: 80 g of ice at 0.000C absorbs just enough heat to completely melt. What is the change in entropy of…

A: Given:  The mass of the ice, m=80 g The latent heat of fusion of ice is, Lf=334 J/g. Require:…

Q: When 0.150 kg of steam at 100°C condenses to water at 100°C, what is the change in entropy of the…

A: Given: The mass of the steam is 0.15 kg. The temperature of the steam is 100oC. The latent heat of…

Q: What is the entropy change of 15 g of steam at 100°C when it condenses to water at the same…

A: Part ASolution:Entropy change will be given as:dS = QT           - 1where, Q is the heat amount of…

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: Part 1: Five thousand kilocalories (5000 kcal) of heat flows from a high temperature reservoir at…

A: Entropy change is related to the amount of heat transferred at a temperature T as, ∆S=∆QT∆Q is the…

Q: A heat engine operating between -10 degrees Celsius and 40 degrees Celsius achieves 50% of the ideal…

A: Hello. Since your question has multiple sub-parts, we will solve first three sub-parts for you. If…

Q: 170 g of water at 105°C is converted to steam. What is the entropy change of the water that is now…

A: The expression for find change in entropy is ∆s=mLvT

Q: On a winter day, a certain house loses 5.20 x 10° J of heat from the warm 25°C interior to the cold…

A: As per Bartleby rules, we are to answer the first three sub-parts of a question when specific…

Q: The temperature at the surface of the Sun is approximately 5,100 K, and the temperature at the…

A: temperature of surface of sun(TS)=5100 K Temperature of surface of earth(TE)=291K Energy(Q)=4.50 X…

Q: If 100 J of heat is added to a system so that the final temperature of the system is 400 K, what is…

A: Given: 100J of heat added to the system             Q = 100J             change in temperature is…

Q: An ice tray contains 500 g of water. Calculate the change in entropy of the water as it freezes…

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Q: A sophomore with nothing better to do adds heat to 0.500 kgkg of ice at 0 ∘C∘C until it is all…

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Q: A hot reservoir at 1700C transfers 400 kJ of heat to a cold resevoir at 500 C. What is the total…

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Q: On a cold day, 17400 J of heat leaks out of a house. The inside temperature is 24.0° C, and the…

A: Given Data: The amount of heat leaks is, Q=17400 J The inside temperature of the house is, Th=24°C…

Q: in a single cycle, a heat engine extracts 8.00 kcal of heat from a hot reservoir and exhausts 5.00…

A: Given that, the amount of heat extracted from the hot reservoir is Qin=8kCal the amount of heat…

Q: A large electrical power station generates 1400 MW of electricity with an efficiency of 31 %. a) How…

A: Given that:Output power of the station, Pout=1400 MWEfficiency, η=31%=0.31

Q: A 4.50-kg block of ice at 0.00℃ falls into the ocean and melts. The average temperature of the ocean…

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Q: Consider a heat engine transferring energy from a warm region (Tw) to a cool region (Tc) . Which…

A: Efficiency of heat engine =1-(Tc/Tw)  For option a, b & c warm region have same temperature, so…