Two kg water at 95°C with a quality of 40% has its temperature raised 15°C in a constant volume process. What is the new specific entropy?   Select one: a. 3.618 kJ/kg K b. 4.015 kJ/kg K c. 6.747 kJ/kg K d. 5.232 kJ/kg

Q: There are 1.5 kgm of gas for which R=0.377kJ/kg-K and k=1.3 that undergo an isometric process from…

A: Given               Mass, m = 1.5 kg Heat removed, Q = - 1500kJ                          R =…

Q: Water contained in a closed, rigid tank, initially at 100 lbf/in2, 800oF, is cooled to a final state…

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Q: A 0.20 kg/š óf áir are compressed isothermally from P,= 100 kPa and V,= 0.15 m3/s to P,= 700 kPa.…

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Q: Water within a piston-cylinder assembly, initially at 10 Ibf/in.?, 550°F, undergoes an internally…

A: Answer: W12m=-232.396 BTU/lbQ12m=-140.286 BTU/lb

Q: 3.82 A Carnot engine operates between 37 Cand347 C. If the engine produces 620 kJ of work, the…

A: Entropy is the measure of disorderness of any system. If heat flow occurs through any system, then…

Q: Consider 5.0 pounds per minute of water vapor at 100 lbf/in2, 500oF, and a velocity of 100 ft/s…

A: Use the steam table at 100lbf/in2 and 500°F h1= 1279.1 btu/lbm, S1 = 1.7085 Btu/lbmR at P2= 40lb/in2…

Q: There is no entropy transfer associated with energy transfer as work? Explain.

A: The energy transfer from the system is in the form of work represents that the energy transfer from…

Q: A rigid storage tank of 1.5 m3 contains 1 kg of argon at 30◦C. Heat is then transferred to the…

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Q: In a gas apparatus, it was recorded that the expansion index was 1.26 and the molar mass of gas is…

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Q: There are 1.36 kg of gas, for which R = 377 J/kg.k and k = 1.25, that undergo a nonflow constant…

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Q: 3. A rigid cylinder containing 0.004 m³ of nitrogen at 1 bar and 300 K is heated reversibly until…

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Q: Problem 2. Entropy Balance Using Table of Properties A piston-cylinder assembly contains 3 kg of…

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Q: Steam enters an adiabatic nozzle at 440°C and 3 MPa with a velocity of 10 m/s, and exits with a…

A: Here, T1 = 440 °CP1 = 3 MPaV1 = 10 m/sP2 = 0.3 MPaV2 = 305 m/s

Q: Compute for (a) Entropy, (b) Internal Energy, (c) Enthalpy of compressed water. a. Compressed water…

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Q: Water contained in a closed, rigid tank, initially at 100 lb/in², 800°F, is cooled to a final state…

A: Given Data State 1:100 psia, 800°F State 2: 40 psia Rigid container

Q: During a reversible process, 2.92 kg/s of gas rejects 333.4 kJ/s of heat isothermally at 25.9°C. For…

A: Given data:

Q: 2. Steam enters an adiabatic turbine steadily at 5 MPa, 350°C, and 25 m/s, and leaves at 200 kPa and…

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Q: 5. The entropy during adiabatic reversible process (a) increases decreases remains constant (d)…

A: These questions are based on the concept of thermodynamics.

Q: 1 m3 of air is heated reversibly at constant pressure from 15°C to 350°C, and is then cooled…

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Q: R-134a enters a compressor operating at steady state at 200 kPa. At this state, 2% of the mass is in…

A: Given: Evaporator pressure =200kPaCondensor pressure P=1600kPaExit temperature of the…

Q: Water contained in a closed, rigid tank, initially at 100 lbf/in2, 800oF, is cooled to a final state…

A:

Q: are 1.5 Kgm of a gas where K = 1.3 and R = 0.38 KJ/Kgm - °R that undergo an isochoric process from…

A: Given:m=1.5 Kgk=1.3R=0.38 KJ/kg.RP1=0.552 MPaT1=58.5°CP2=1.66 MPaQ=100 KJ

Q: Steam enters a converging-diverging nozzle operating at steady state with P-40 bar, T-400°C, and a…

A: Steam nozzle is a device which having varying in cross section, in which pressure is reduced by…

Q: (25 p) Steam at 30 bar and 320°C enters to a mixing chamber with a rate of 50000 kg/h and mixed with…

A: Condition for steam P1=30 bar T1=320°C m1˙=50000 kgh or ms˙=13.88 kgsecCondition for water P2=25 bar…

Q: Water within a piston-cylinder assembly, initially at 10 lbf/in.?, 750°F, undergoes an internally…

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Q: PROBLEM 1. Oxygen at the rate of 1.36 kg undergoes a reversible isobaric process min during which…

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Q: water at 100 kPa, 30 °C, enters a pump with a flow rate (m) of 18 kg/s with a velocity of 2 m/s. At…

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Q: For any irreversible process the net entropy change is Zero positive O negative O infinite O unity O

A: Option b is correct.

Q: One-quarter lbmol of oxygen gas (O2) undergoes a process from p1 = 20 lbf/in2, T1 = 500oR to p2 =…

A: Given data: p1 = 20 lbf/in2 T1 = 500oR p2 = 150 lbf/in2 W = -500 Btu Q = -140.0 Btu Need to…

Q: 3. A piston-cylinder assembly initially contains 3 kg of water at 75 kPa and pressure at 50 °C. Then…

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Q: When two systems are in contact, the entropy transfer from the warmer system is equal to the entropy…

A: Yes, the above statement is absolutely true. Entropy is a thermodynamic quantity that derives its…

Q: Two pounds of a certain gas(Cv = 0.17 BTUlb−R , R = 50.2 ft−lbflb−R) at 20 psia and 80 deg F are…

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Q: Consider 5.2 pounds per minute of water vapor at 100 lbf/in2, 500oF, and a velocity of 100 ft/s…

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Q: A 0.20 kg/s of air are compressed isothermally from P,= 100 kPa and V,= 0.15 m3/s to P2= 700 kPa.…

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Q: 5.0 0.04 m of nitrogen contained in a cylinder behind a piston is initially at 1.05 bar and 15°C.…

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Q: Two pounds of a certain gas( C, = 0.17 BTU, R = 50.2 ft-lb To-R) at 20 psia -R and 80 deg F are…

A: Given: Cv=0.17 BTUlb-RR=50.2 ft-lblb-RP1=20psiaT1=80°F∆S=-0.021 BTU/R

Q: Example (8.1): Volume of 0.14 m³ of air at 0.2 bar and 90°C is compressed to 0.014 m³ according to…

A: Given Data  V1=0.14m3  P1=0.2bar  T1=90C=363K PV1.3=constant At state 2…

Q: Please be very detailed

A: Write the given information about the system at the initial state.

Q: A piston and cylinder arrangement contains saturated water vapor at 110 deg.C. The vapor is…

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Q: A mass of 3 kg of water contained in a piston–cylinder assembly expand from an initial state where…

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Q: Two pounds of a certain gas(C, = 0.17 BTU lb-R R = 50.2 at 20 psia and 80 deg F are reversibly…

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Q: Q3/A cylinder fitted with a frictionless piston contained an ideal gas, with a volume of 23 m³, a…

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Q: 1. A reversible, nonflow, constant volume process decreases the internal energy by 316.5 kJ for…

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Q: Q19. A quantity of air at a pressure of 100 kN/m² and temperature of 20 °C is compressed according…

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Q: One-quarter lbmol of oxygen gas (O2) undergoes a process from p1 = 20 lbf/in2, T1 = 500oR to p2 =…

A: The first law of thermodynamics: The first law of thermodynamics states that energy can never be…

Q: A cylinder that contains 0.068 kg of carbon dioxide (with molar mass 44 kg/kmol), occupying a volume…

A: Let a gas having initial pressure P1 & volume V1 is compressed isothermally(PV=C) upto pressure…

Q: A cylinder that contains 0.066 kg of carbon dioxide (with molar mass 44 kg/kmol), occupying a volume…

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Q: A rigid insulated tank has two equal parts by partition. First part initially contains 5k mol of an…

A: Data given-  n = 5 k mol  P1 = 500 kPa  T1 = 40°C = 313 K