A large block of copper initially at 16.2°C is placed in a vat of hot water (75.8°C). The first 1.60 J of heat flows from the water into the block. Find the entropy change of the water.

Q: One kilogram of water is heated from 0 oC to 100 oC. Solve for the change in entropy of the water.

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Q: A heat engine draws in 537 J of heat and expels 121 J of heat. a) Find the work produced by the heat…

A: Given Qi=537J Qe=121J

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: 55 g of aluminum at 100° C are placed in thermal contact with 55 g of copper at 0° C. The two metals…

A: Given:   The mass of Aluminum, mAl = 55 g Initial temperature of aluminum, TA1= 100 0C Mass of…

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: 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: 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: One container holds 0.10 kg of water at 80 C and is warmed to 100 C by heating from contact with the…

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Q: The water vapor is initially at 700 KN / m2 with a 0.05 drought fraction through a reversible…

A: It is given that the initial and the final temperature in the process is same, so it is an…

Q: 65 g of aluminum at 100°C are placed in thermal contact with 65 g of copper at 0°C. The two metals…

A:

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, Q1 = 2500 J T1 = 250 C∘ = 250+273.15 = 523.15 K Q2 = 2000 J T2 = 50 C∘ = 50+273.15 = 323.15 K…

Q: A 77.5-g ice cube is initially at 0.0°C. (a) Find the change in entropy of the cube after it melts…

A: Scenario - A particular amount of ice cube is melted due to which entropy of system changes. Given :…

Q: A block of ice at 273K is put in thermal contact with a container of steam at 373K, converting 25.0g…

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Q: Q4/ An iron cube at a temperature of 300 °C is dropped into an insulated bath containing 20 kg water…

A: Initial temperature of iron cube (t) = 300oC mass of water (m) = 20 kg Initial temperature of water…

Q: Q3 1 kg of liquid water at 77°C mixed with 1 kg of liquid water at 17°C until thoroughly mixed.…

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Q: What is the change in entropy of 1,000 kg of ice at 0.0˚ when it melts and 15. What is the change in…

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