A 25-kg iron block initially at 350C is quenchedin an insulated tank that contains 100 kg of water at 18C.Assuming the water that vaporizes during the process condensesback in the tank, determine the total entropy changeduring this process.

Q: As a budding mechanical engineer, you are called upon todesign a Carnot engine that has 2.00 mol of…

A: Given: The number of moles of a gas n = 2 mol. The temperature of reservoir T = 500 oC. The mass to…

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 70.0-kg log falls from a height of 25.0 m into a lake. If the log, the lake, and the air are all…

A:

Q: state, the piston is free to move. Now air at 500 kea and 70°C is allowed to enter the cylinder from…

A: Formula as, ∆S=change in entropy V2=Final volume V1=Initial volume N=No. of moles of air

Q: The change in entropy ih an adiabatic processis equalto Zero if the processisreversible and greater…

A: Any thing in nature is not 100% efficient. Similarly if we give heat to a system all heat energy…

Q: 200J o heat flows from a hot reservoir at 1500C to a cold reservoir at 39 0C. Determine the amount…

A: Given data: Heat flow is, Q=200 J. Temperature of hot reservoir is, T1=1500∘C=273+1500=1773 K.…

Q: What is the change in entropy of 10.5 grams of water that completely convert to steam at 100°C?…

A: In Physics, we define the entropy as a measure of randomness or disorder. It also shows how useful…

Q: The inner and outer surfaces of a 4-m * 10-m brickwall of thickness 20 cm are maintained at…

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Q: What is the total entropy change for a 0.250 kg piece of ice at an initial temperature of 0.00 degC…

A: Given data The mass of the piece is m = 0.250 kg. The initial temperature of the piece of ice is…

Q: You decide to take a nice hot bath but discover thatyour thoughtless roommate has used up most of…

A: The final temperature of the system is, Tf=mcwcTcw+mhwcThwmcwc+mhwc…

Q: A 1.00 -kg gold bar is taken from a forge at 800 degrees * C and dropped into 4.00 kg of water at…

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Q: Imagine a "square cycle" where the two isobaric processes occur at 480000 Pa and 820000 Pa, and the…

A:

Q: A block of copper of mass 2 kg and at temperature 00C is introduced into an insulated container in…

A: Given: The mass of the copper is 2 kg.            The temperature is 0°C.           The number of…

Q: An insulated piston-cylinder device contain 8L of saturated liquid water at a constant pressure of…

A:

Q: Calculate the entropy change in kJ/K, of 10kg of Silver when it’s temperature increases from 20…

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Q: A) Ikg of air at 10bar and 125 ° C receives heat at constant pressure until its temperature become…

A: Let Pressure, temperature and entropy be denoted be as P, T and S. The subscript in each of these…

Q: Calculate the change in entropy, inJ/K. when 24 kg of copper is heated reversibly from 27 "C to 270…

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Q: Can the entropy of an ideal gas change during an isothermal process?

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Q: Ques 2 po (CLO-6J Superheated water vapor enters an irreversible adiabatic turbine at 5 MPa and 500…

A:

Q: CALC You make tea with 0.250 kg of 85.0°C water and let it cool to room temperature (20.0°C). (a)…

A: We must figure out how the entropy of cooling water changes.We are aware that water has a mass of…

Q: inal temperature of the a with one mole of ß-Z ated during the process.

A: Mass of one mole of Fe = MFe = 56 g   = 0.056 kgSpecific heat of Fe = CFe = 462 J/ Kg0 CMass of…

Q: Calculate the change in entropy of 1.00 mole of helium gas (an ideal monatomic gas) when it is…

A: SOlution:

Q: A 3.0-kgkg piece of aluminum at 29.2 ∘C∘C is placed in 1.0 kgkg of water in a Styrofoam container at…

A: Write the given values of this problem. ma=3 kgTi,aluminium=29.2°Cmw=1 kgTi,water=20°C

Q: 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…

A: Convert the temperature from degree Celsius to Kelvin.

Q: a) A Carnot engine which uses 0.20 mole of gas operates between heat baths with temperature of…

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

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Q: A 1.10-kg iron horseshoe is taken from a forge at 880°C and dropped into 3.00 kg of water at 15.0°C.…

A: As no energy is lost, so…

Q: Air enters a compressor steadily at the ambient conditionsof 100 kPa and 22C and leaves at 800 kPa.…

A: The change in entropy,

Q: 50g of water at 60oC is transferred to a pan and evaporated to dryness at 100oC at constant…

A: Convert the temperature of the water from degree Celsius to Kelvin. And,

Q: A 1.00-kg iron horseshoe is taken from a forge at 900°C and dropped into 4.00 kg of water at 10.0°C.…

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Q: The final temperature and initial temperature of a diatomic ideal gas are Tƒ and To, respectively.…

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Q: A Carnot engine operates between a hot reservoir at 250°C and a cold reservoir at 30°C. If the…

A: Given Data: Higher temperature (Th) = 250o C = 250+273 = 523 K.Lower temperature (Tl) = 30o C =…

Q: kg Oxygen at the rate of 1.36 undergoes a reversible isobaric process during which min KJ „Vi= 0.5;…

A: Since you have asked multiple subparts, only the first sub-part is solved for you. If you want any…

Q: What is the total entropy change for a 0.450 kg piece of ice at an initial temperature of 0.00 degC…

A: Given dataThe mass of the piece is m = 0.450 kg.The initial temperature of the piece of ice is .The…

Q: A 1 kg block of ice initially at -5 ∘C is placed in thermal contact with a very large reservoir at…

A:

Q: 1). For a Carnot engine with a running temperature of 500° C on a cold winter day in Chicago (- 15°…

A: Given data, Temperature of the source = 500oC temperature of the sink = -15oC Value of IC = 35 %

Q: Calculate the change in entropy when a 0.125-kg chunk of ice melts at 0◦C. Assume the melting occurs…

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Q: What is the total entropy change if a 0.440 efficiency engine takes 3.78E3 J of heat from a 348 degC…

A: To calculate the total entropy change, we can use the equation:ΔS = Q / Twhere ΔS is the total…

Q: What is Carnot efficiency of a heat engine operating between the temperatures of 381 Co and -11 Co…

A: Carnot efficiency of a heat engine operating between the temperatures of T1 and T2 is given by,…

Q: A Carnot heat engine operates between tc=252 k and the=466k What is its efficiency?

A:

Q: Temperatures: (A) (in W) An internal combustion engine may be described approximately as a cyclic…

A: Internal Combustion Engine: It is termed an Internal combustion engine because combustion reaction…