Topic: ENTROPY & THE SECOND LAW OF THERMODYNAMICS Find the change in entropy when 1.25 kg of steam at 100ᵒC condenses and cools to 50ᵒC.
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.
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A: We know that entropy change in an irreversible process is given by : ΔS=ΔQT Since heat is taken…
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A: Given:mass of liquid, m = 50×10−3 kgspecific heat , C = 4186 J/kgoClatent heat of vaporization, Lv…
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…
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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: 1.75 kg of carbon dioxide sublimate from solid dry ice to a gas at a pressure of 100 kPa and a…
A: Given mass of carbon dioxide m=1.75 kgTemperature T=194.7 KLatent heat of sublimation L=5.77×105…
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Q: n ice cube is placed in an empty 80.0g aluminum cup (CAI = 0.900J /(g °C )). he ice cube (Lf = 333]…
A: Given:- The mass of the aluminum cup is m =80g Specific heat of Aluminum is CA = 0.9J/g oC The ice…
Q: If you add 400 J of heat to a system so that the final temperature of the system is 200 K, what is…
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Q: An ice tray contains 360 g of liquid water at 0°C. Calculate the change in entropy of the water as…
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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: 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: A copper rod of cross-sectional area 5.0 cm2 and length 5.0 m conducts heat from a heat reservoir at…
A:
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 kilogram of water at 0c is heated to 50c. compute change in entropy. assume that the specific heat…
A: The change in the entropy is called by, ∆S=mCpln(T2T1).........(1) Given: Mass m=1kg specific heat…
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: 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: 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: A sophomore with nothing better to do adds heat to 0.350 kgof ice at 0.0 C until it is all melted.…
A: Ice is at a temperature 0°C. The expression for the change in entropy of object is, ∆s=-mLiceT…
Q: A 15-ft3 steel container that has a mass of 75 lbm when empty is filled with liquid water.…
A: The heat transferred to the environment can be obtained as
Q: When heat is added to a block of ice, it increases its entropy by 67 J/K. If the block has a mass of…
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Q: One container holds 0.10 kg of water at 75 ∘C and is warmed to 95 ∘C by heating from contact with…
A: The change in entropy when the water is heated from T1 deg C to T2 deg C is
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: Energy is added as heat to 250 g of water at 10°C, raising its temperature one Celsius degree. a)…
A: Given: Mass of water = 250 gm Initial temperature of the gas = 10 degree Celsius = 283 K Final…
Q: What is the change in entropy of 420 gg of steam at 100 ∘C∘C when it is condensed to water at 100…
A:
Q: What is the change in entropy of 20 g of ice at 0 °C when it melts to become water at 0 °C?
A: Given that,Mass of the ice : m = 20 (g)Initial temperature : Ti = 237 (K)Here we need to find the…
Q: One mole of ideal gas goes through an isothermal compression at a temperature of 20C. If 680J of…
A: In the isothermal process, the temperature of the system remains constant. So, the change in the…
Q: 7 kg of water at 55oC is added to a large quantity of ice at 0oC resulting in ice-water. What is the…
A:
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: 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…
A:
Q: Give a derivation of the ideal gas law in two dimensions, using dU=TdS+ydA where A is the area and y…
A: The equation you provided, , relates the change in internal energy (dU) of a system to its change in…
Q: Part 1: Five thousand kilocalories (5000 kcal) of heat flows from a high temperature reservoir at…
A: Entropy change is related to the amount of heat transferred at a temperature T as, ∆S=∆QT∆Q is the…
Q: Steam at 2100KPa and 260C expands at constant enthalpy to 125KPa Using steam tables, a) What is…
A: Steam at 2100KPa and 260C expands at constant enthalpy to 125KPa Using steam tables, a) What is the…
Q: A. Rank these engines on the basis of the change in entropy of the gas during the isothermal…
A: (A)The change in entropy of the system is,The change in entropy of the gas each phase of the cycle…
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: An ice tray contains 500 g of water. Calculate the change in entropy of the water as it freezes…
A:
Q: A sophomore with nothing better to do adds heat to 0.500 kgkg of ice at 0 ∘C∘C until it is all…
A:
Q: A large electrical power station generates 1400 MW of electricity with an efficiency of 31 %. a) How…
A: Given that:Output power of the station, Pout=1400 MWEfficiency, η=31%=0.31
Q: Consider the following quantities: Heat Energy, Work, Change in Internal Energy and Change in…
A: Given quantities are : Heat Energy , Work , Change in internal Energy And change in entropy
Q: A gas expands adiabatically and reversibly. What is its change in entropy?
A: Entropy The entropy is the measure of the thermal energy present in the system per unit temperature…
Q: 5. If the change in system entropy for a given process is -8.3 J/(mole.K): (A) What can be known…
A: Given, change in system entropy for a given process is -8.3 J/(mole. K) ∆Ssys = -8.3 Jmol K We know…
Q: What is the change in entropy of 500 grams of steam at 110 degrees Celsius when it is condensed to…
A: Mass of steam = 500 gram = 0.5 kg. Temperature = 110°C Total heat required = Latent heat of…
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…
Topic: ENTROPY & THE SECOND LAW OF
Find the change in entropy when 1.25 kg of steam at 100ᵒC condenses and cools to 50ᵒC.
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