What is the entropy change of 15 g of steam at 100°C when it condenses to water at the same temperature? ΔS=ΔS=Incorrect J/K 45-g of water at 14°C is heated until it becomes vapor at 100°C. Calculate the change in entropy of the water in this process. ΔS=ΔS=Incorrect J/K

Q: A Carnot engine is operated between two energy tanks with temperatures of 450 K and 350 K. and they…

A: For Carnot engine: TH = 450 K TL = 350 K Heat received QH = 1000 J   Find: a- how much energy the…

Q: What is the change in entropy as 58.3 J flows from 331°C to 197°C?

A: Given: Q=58.3j T1=331 deg.c=604K T2=197 deg.c=470K Lets's find Change in entropy.

Q: What is the entropy change (in J/K) of 19 g of steam at 100°C when it condenses to water at the same…

A: We know that entropy change in an irreversible process is given by  : ΔS=ΔQT Since heat is taken…

Q: A container with a total volume of 2.77 L is divided in half so that there are two compartments of…

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Q: What phase is the water in the first case? In the last case, what phase is the water in? b) Find the…

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Q: We have n moles of an ideal gas that expands reversibly through an isothermal process, when doubling…

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Q: If the cold temperature reservoir of a Carnot engine is held at a constant 342 K, what temperature…

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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: The energy of an isolated system must remain constant, but the entropy can only decrease O True…

A: A closed thermodynamic system is a system which is cut off from the surrounding. It exchanges…

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

A: Change in entropy is given by the formula: ∆S=QTwhere,∆S is change in entropyQ is heat transferT is…

Q: of the system?

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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: On a cold winter day, Pelle spills out 1.0 dl of water with a temperature of 20 Celsius. Two minutes…

A: Given that:V=1.0 dL=0.1 L Ti=20°C=293 KTf=-20°C=253 K

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

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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: In an experiment, 200g of aluminum at 100°C is mixed with 50g of water at 20°C with the system…

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Q: In the house to rooms are separated by a wall made of brick 4 inch thick Room A is held a constant…

A: Temperature of room A (TA)=300 K Area of wall in room A (AA)=12 m2 Temperature of room B (TB)=273 K…

Q: Air is compressed by a 40-kW compressor from P to P2. The air temperature is maintained constant at…

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Q: 7 kg of water at 55oC is added to a large quantity of ice at 0oC resulting in ice-water. What is the…

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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: 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: Problem 7 Calculate the change in entropy of the system for reversibly heating 5.0 moles of a…

A: Given, Number of moles= 5 moles Temperature T1= 298 K T2= 346 K volume V= 2 L

Q: What is the entropy change involved in transforming 5 g of ice at 0C and 1 atm pressure into vapor…

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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: 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: Entropy change for a free expansion of an ideal gas. A 0.5 mol of an ideal gas expands freely from a…

A: Given- Number of moles n=0.5 mol An ideal gas expands freely from a volume of 1 L to 3 L So,…

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: Calculate the change in entropy of 290 g of water warmed slowly from 25.0°C to 80.0°C. 1/K

A: Given Data  The mass of the water is given as m = 290gm. The initial temperature of the water is…

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

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Q: What change in entropy occurs when a 0.12 kg steam at 121 deg C is transformed into ice at -28 deg…

A: The mass of the steam: The initial temperature of the steam: The final temperature of the ice:…

Q: Calculate the change in entropy when the pressure of an ideal gas is changed isothermally from Pi to…

A: Given Calculate the change in entropy when the pressure of an ideal gas is changed isothermally from…

Q: Suppose you have a 36.4-g sample of a protein for which denaturation required an input of 2.20 J at…

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Q: How much heat energy is needed to change the entropy of a macrostate from 10.00 J/K to 10.01 J/K in…

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Q: power radiated

A: The statement that (a) no heat engine can be more efficient than a Carnot engine working between the…

Q: A freezer is used to freeze 5.0 L of water completely into ice. The water and the freezer remain at…

A: The energy transferred from the water by heat can be obtained as Q=mwaterLf=ρVLf Substituting the…

Q: a) Find the internal energy change in a system consisting of one mol of a monoatomic ideal gas…

A: The energy change is 3a(15v^4)/8

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: At 500 K and 1500 kPa, a rigid tank contains 1-kilogram methane. It has now been cooled to 300 K.…

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Q: A cylinder of gas has a temperature of 32F. a) If 205J is added to the system at constant…

A: Given Gas is at T=32oF=273.15K   a) The amount of heat added to the system is Q=205J So at a…