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 at 31.8 °C, find the change in entropy of the Universe during this process.

Q: Find the total change in entropy if 2kg2kg of ice at 0.00∘C0.00∘C is mixed with 25.0kg25.0kg of…

A: Ice of mass m1=2kg at temperature T1=0 C=273 K is mixed with water of mass m2=25kg at temperature…

Q: A heat source generates heat at a rate of 55.0 W (1 W=1 J/s)55.0 W (1 W=1 J/s). How much entropy…

A: Given;-  A heat source generates heat at a rate of  P = 55 W = 55 J/sec  The surrounding temperature…

Q: When 1.70 ✕ 105 J of heat transfer occurs into a meat pie initially at 20.0°C, its entropy increases…

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Q: What is the change in entropy (in J/K) of 1 kg of liquid water when it is frozen to ice at a…

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Q: An ice tray contains 390 g of liquid water at 0°C. Calculate the change in entropy of the water as…

A: Given:Mass of water = 339 gTemperature of the water = 0o C = 273.15 K

Q: An ideal gas undergoes a reversible isothermal expansion at 77.0 C, increasing its volume from 1.30…

A: The expression for the entropy will be,

Q: Every second at Niagara Falls, approximately 5.00 x 103 m3 of water falls a distance of 50.0 m. What…

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Q: The compressor captures 1 m³ of air at a temperature of 293.15 K and a pressure of 1 bar and…

A: solution is given by

Q: Determine the change in (extensive) entropy if 5 kg of water are boiled (isothermally) at 100 °C.…

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Q: Find the change in the total entropy when 0.1 kg. of liquid water at 10°C is placed in thermal…

A: Given data : mass of water, m  = 0.1 kg temperature of liquid water, Tw = 10 °C = 273 + 10 = 373…

Q: A 5 kg block of ice initially at 268.15 K is placed in thermal contact with a very large reservoir…

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Q: On a hot summer day, 3.73  106 J of heat transfer into a parked car takes place, increasing its…

A: Given:  Heat exchanged, dQ=3.73×106 J Initial temperature, Ti=31.2°C Final temperature, Tf=50.6°C…

Q: A 100,000-kg iceberg at −5°C breaks away from the polar ice shelf and floats away into the ocean, at…

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Q: When 1.60 ✕ 105 J of heat transfer occurs into a meat pie initially at 20.0°C, its entropy increases…

A: The equation for the change in entropy is Here, ΔS is the change in entropy, Q is the amount 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: What is the change in entropy of 12.1 g of steam at 100°C as it condenses to liquid water at 100°C?…

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Q: Two hundred joules of heat are removed from a heat reservoir at a temperature of 200 K. What is the…

A: Given data: The heat removed from a reservoir is: Q = 200 J The temperature at which heat is…

Q: When 1.60×105 J of heat transfer occurs into a meat pie initially at 20.0C, its entropy increases by…

A: Heat 1.6 x 105 J Initial temperature = 20 C Entropy increases = 480 J/K

Q: A Carnot heat engine has an efficiency of 0.700. If it operates between a deep lake with a constant…

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

A: GivenTemperature of ice Tice = 273 KMass of ice converted in water m = 25g = 0.025 kgTemperature of…

Q: Suppose that there are two very large reservoirs of water, one at a temperature of 91.0 ∘C and one…

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Q: The entropy of steam will (increase, decrease, remain the same) as it flows through an actual…

A: The actual adiabatic turbine is never reversible process.

Q: Find the relation between the efficiency of a reversible ideal heat engine and the coefficient of…

A: The efficiency of the ideal heat engine is given by The efficiency of the reversible refrigerator…

Q: Find the change in the total entropy when 0.1 kg. of liquid water at 100 C is placed in thermal…

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Q: A puddle containing 1.10 kg of water at 0°C freezes on a cold night, becoming ice at 0°C. What was…

A: Given that The mass of the water 1.10Kg covert into gram                         m = 1100g Latent…

Q: A 6.25-kg block of ice is placed on a concrete floor which has a constant temperature of 25.5˚C. The…

A: Entropy change of a system at constant temperature is given as,  ∆ S = ∆ Q / T  Where ∆ Q is the…

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: A forger takes out a 2.00kg carbon steel knife at 1500F and quenches it in oil at 140F. What is the…

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Q: What is the change in entropy in an adiabatic process? Does this imply that adiabatic processes are…

A: The change in entropy,

Q: Every second at Niagara Falls, approximately 5 000 m3 of water falls a distance of 50.0 m. What is…

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Q: When a system is adiabatic, what can be said about the entropy change of the substance in the…

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Q: When 2.1 kg of water at 12.3 °C is mixed with 3.7 kg of water at 39.7 °C in a well-insulated…

A: Given data: Mass of the water, m1=2.1 kg Temperature, T1=12.3C = 12.3 + 273 K∘ Mass of the water,…

Q: What is the change in entropy (in J/K) of 1 kg of liquid water when it is frozen to ice at a…

A: Given data: Mass of the water is, m= 1 kg Water is frozen to the ice at a constant temperature of,…

Q: In an adiabatic tank, there is 2 kg of water at 100 kPa pressure and 75% of its mass is in liquid…

A: Given data, Mass of water = 2 kg pressure = 100 kPa mass of water in liquid phase=2×75100=1.5 kg So,…

Q: What is the change in entropy in converting 1.0 kg of ice at 0.0 degree celsius to 1.0 kg water at…

A: mass of solid ice at 0° C , m = 1.0 kg is converted into water at 0° C of weight 1.0 kg  To find =…

Q: If a 25 kg block of ice melts into liquid water at 0 degrees Celsius, what is the entropy change of…

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Q: When 1.60 ✕ 105 J of heat transfer occurs into a meat pie initially at 20.0°C, its entropy increases…

A:

Q: A heat source generates heat at a rate of 63.0 W (1 W=1 J/s). How much entropy does this produce per…

A: Given:Heat generation rate = 63 W (1 W=1 J/s)Surrounding temp. = 27.2 °CHeat transfer is…

Q: Suppose that when you exercise, you consume 100g of glucose and that all the energy released through…

A: Ans:- Image-1

Q: How much energy must be transferred as heat for a reversible isothermal expansion J. of an ideal gas…

A: Temperature (T) = 132oC Process = Isothermal Change in entropy = +46 JK

Q: The heat engine operates between temperatures of 320 K and 610 K. In one cycle, the machine takes…

A: