A Styrofoam cup holding 135 g of hot water at 1.00 ✕ 102°C cools to room temperature, 27.0°C. What is the change in entropy of the room? (Neglect the specific heat of the cup and any change in temperature of the room. The specific heat of water is 4,186 J/(kg · °C).) J/K

Q: A 810-g quantity of ethanol, in the liquid state at its melting point of -114.0 0C is frozen at…

A: Given value--- mass m = 810 g. melting point = -114 degree C.  heat of fusion = 1.04 × 105 J/kg.…

Q: When 100g of copper cools down from 100 °C to 20 °C, specific heat of copper is 385 J/kg °C , what…

A: Given: The mass of the copper is 100 g. The initial temperature is 100oC. The final temperature is…

Q: What is the entropy change of a gas in J/K (to 2 decimal points) when one mole of a perfect gas…

A: The number of moles of the gas n=1 mol The ideal gas constant R=8.314 J/mol K The initial volume of…

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: On a winter day, a certain house loses 5.00 × 108 J of heat to the outside (about 500,000 Btu). What…

A: On a winter day, a certain house loses 5.00 × 108 J of heat to the outside (about 500,000 Btu). What…

Q: A Styrofoam cup holding 145 g of hot water at 1.00 x 102°C cools to room temperature, 18.0°C. What…

A: Given Data: Mass of hot water is m=145 g=0.145 kg Initial temperature is T1=1.00×102 °C=100 °C…

Q: A body at 583.37 K undergoes a reversible isothermal process. The heat energy removed in the process…

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Q: When 0.50 kg of water at 0°C freezes, what is the change in entropy of the water? The latent heat of…

A:

Q: Junyoung and Enkhtur are experimenting with an ideal gas. in their experiment, a 573-g quantity of…

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Q: Two moles of an ideal gas undergo a reversible isothermal expansion from 2.99×10−2 m3 to 4.98×10−2…

A: Given, initial volume of gas Vi=2.99×10-2m3, final volume of gas Vf=4.98×10-2m3, temperature…

Q: What is the change in entropy of the ice when a 0.050-kg ice cube at 0°C melts? The latent heat of…

A: Given: mass of ice , m =0.050kg= 50 g The heat required to melt ice, Q=mLf where Lf=Latent Heat of…

Q: In an experiment, 190 g of aluminum (with a specific heat of 900 J/kg-K) at 53.0°C is mixed with…

A: as per our guideline we will solve only first question for you to get remaining question solved…

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

A:

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: What is the entropy change of a gas in J/K (to 2 decimal points) when one mole of a perfect gas…

A: According to question--- Given value--- number of mole = 1 initial volume = 4.87 m3 . final volume…

Q: A Styrofoam cup holding 144 g of hot water at 1.00 ✕ 102°C cools to room temperature, 25.0°C. What…

A: Given: The mass of hot water is m=144 g. The temperature of hot water is T=100 oC. The room…

Q: Three moles of an ideal gas undergo a reversible isothermal compression at temperature 19.0 ∘C.…

A: Data Given ,  Work done ( W ) = 1500 J Temperature ( T ) = 19°C = ( 19 + 273 ) K.     = 292 K…

Q: When an aluminum bar is connected between a hot reservoir at 800 K and a cold reservoir at 288 K,…

A:

Q: Suppose that there are two very large reservoirs of water, one at a temperature of 85.0 °C and one…

A: Temperature of first reservoir (T) = 85oC temperature of second reservoir (T') = 19oC Heat…

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

A: In the given question , We have to determine the change in entropy of the engine during one cycle.

Q: If 10kg/min of air are compressed isothermally from p1=96kPa and V1=7.65m3/min to p2=620kPa, find…

A: Given data: The  air compression rate is, m=10 kg/min. The initial pressure is, P1=96 kPa. The…

Q: When 150g of copper cools down from 200 °C to 25 °C, specific heat of copper is 385J/kg°C , what is…

A: mass of copper sample = 150 g = 0.15 kg Initial temperature = 200oC final temperature = 25o C…

Q: As shown in the figure, a container is separated into two equal-volume compartments. The two…

A: Change in enteopy of a gasS2-S1=mcvPnT2T1+ mR ln V2V1

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: se 24 kg of 93.5° C water is placed in contact with 24 kg of 11.5° C water. A) what is the enegry…

A: Given:- Suppose 24 kg of 93.5° C water is placed in contact with 24 kg of 11.5° C water.   Find:- A)…

Q: A 67.5-kg person typically eats about 2250 kcal per day, 21.0% of which goes to mechanical energy…

A:

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

A:

Q: pose 1.00 kg of water at 42.5° C is placed in contact with 1.00 kg of water at 19.5° C. (a)  What…

A: GibenMass of hot water, mh=1 kgTemperature of hot water, Th=42.5°=42.5+273=315.5 KMass of cold…

Q: 10^9 J of heat is transferred into the engine, at a temperature of 575 K? (a) What is the work…

A:

Q: Using the relations dS=dQ/T and dQ=mCdT, what is the change in entropy of 20 kg of water warmed from…

A: The expression for the change in entropy is,

Q: If one mole of an ideal gas (Cp,m = 5R/2) is expanded isothermally at 300 K until it’s volume…

A: Cp,m = 5R2Temperature = T = 300 kInitial volume = V Final volume = 3V

Q: On a hot summer day, 4.00×106 J of heat transfer into a parked car takes place, increasing its…

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Q: In an experiment, 190 g of aluminum (with a specific heat of 900 J/kg•K) at 53.0°C is mixed with…

A:

Q: An athlete whose mass is 70.0 kg drinks 16.0 ounces (454 g) of refrigerated water. The water is at a…

A:

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

A: Ans:- Image-1

Q: On a hot summer day, 2.00 x 10° J of heat transfer into a parked car takes place, increasing its…

A:

Q: A large factory furnace maintained at 170 ∘C at its outer surface is wrapped in an insulating…

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Q: Suppose that 1.00 kg of water at 0°C is mixed with an equal mass of water at 100°C. After…

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Q: The temperature of 2.27 kg of air is decreased from 148.9oC to 4.44oC while the pressure is…

A: