9. A certain ideal gas whose R = 278.6 1/kgm.K and C₂ = 1.015 kJ/kgm.K expands isentropically from 1517 kPa, 288°C to 965 kPa. For 454 gmm/s of this gas determine, (a) WNF. (b) V2, (c) AU and (d) AH. Ans. (a) 21.9 kJ/s; (b) 0.06495 m³/s; (d) -30.18 kJ/s

Q: (1) Ah (enthalpy change) in kJkg =. (2) Au (intemal energy change) in kJkg =. (3) PAV (the change in…

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Q: Consider an ideal gas that undergoes a process through which Volume ratio (Vol,/Vol, 0.50) and…

A: Volume ratio, V2V1=0.50 Pressure ratio, P2P1=3.01

Q: Q2 A perfect gas is contained in a rigid vessel at 2 bar and 315°C is heated at constant volume to…

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Q: One pound of an ideal gas undergoes an isentropic process from 95.3 psig and a volume of 0.9ft3 to a…

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Q: Air (R-0.287 kJ/kg.K, c=1.005 kJ/kg.K) is contained in a piston cylinder device, it expands first…

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Q: a) ΔS (kJ/k), b) Heat transferred (kJ), c) ΔH (kJ), d) ΔU (kJ)

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Q: and point out the range

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A: Isentropic process is a process in which entropy remains constant and change in entropy is zero.…

Q: Q3) An ideal gas has a gas constant R=0.35 kJ/kg. K and a constant-pressure specific heat Cp-1.5…

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Q: (1) Ah (enthalpy change) in kJ/kg = (2) Au (internal energy change) in kJ/kg = (3) PAV (the change…

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Q: Current Attempt in Progress Air within a piston-cylinder assembly, initially at 50 Ibf/ in.?, 510°R,…

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Q: One kilogram on a diatomic ideal gas undergoes the following four step process starting at Point A…

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Q: 0.25kg/s of Carbon Dioxide (R = 0.1889 kJ/kg-K, k = 1.289) undergo a certain process in a close…

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Q: Estimate the triple point of water in Fahrenheit, Rankine and Kelvin scale.

A: Triple Point of water :-  The point where all three phases are shown of water is known as triple…

Q: A certain ideal gas has the following properties: Molecular Mass, M = 24.943416 kg/kmole and Cvo =…

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Q: A polytropic process of air from 150 psia, 300°F, and 1 ft³ occurs to P2 = 20 psia in accordance…

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Q: Determine T2, in oR, and the change in entropy, in Btu/oR.

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Q: Q1/ An ideal gas, Cp=R and Cv=R, is changed from p₁=1 bar and v₁=10m³ to =10 bar and v₂ = 1m³ by the…

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Q: Refrigerant 134a expands in a piston-cylinder assembly from p₁ = 160 lb/in2 and T₁ = 140°F to p2 =…

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Q: One-quarter Ibmol of oxygen gas (O2) undergoes a process from p1 = 20 lbf/in?, T1 = 500°R to p2 =…

A: Givenp1=20lbf/in2T1=500°Rp2=150lbf/in2W=-500BtuQ=-127.5BtuNo. of moles of oxygen gas…

Q: Calculate the compressor work in kJ required to compress 1 kg of an ideal gas from an initial volume…

A: Given:mass, m = 1 kgV1= 0.65m3P1= 101.3 kPaP2= 517 kPan=1.35This question aims to determine…

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Q: Considering air as an ideal gas, a process can be engineered by which a certain quantity of air…

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Q: What is the enthalpy in kJ/kg for steam at P=1.12 MPa and T=195C?

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Q: A gas undergoes isobaric expansion at 0.05 bar from 0.1 m³ to 1.0 m³ when 2.0 KiloJoules of heat is…

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Q: One kg of steam at 255.55 °C and with an enthalpy of 1873 kJ/kg is confined in a rigid container.…

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Q: For a certain gas, R = 0.277 kJ/kgm K and k = 1.384. (a) What are the value of cpand Cv? (b) What…

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Q: For the following adiabatic "ideal gas" system, DETERMINE: (a) Temp. Final; (b) the position of the…

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A: Given: v1=0.2 m3/kgv2=0.53 m3/kgv3=0.74 m3/kgPmax=600 kpaTmin=673 K

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

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Q: Air (R-0.287 kJ/kg.K, c-1.005 kJ/kg.K) is contained in a piston cylinder device, it expands first…

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Q: One-quarter Ibmol of oxygen gas (O2) undergoes a process from p1 = 20 lbę/in?, T1 = 500°R to p2 =…

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Q: One-quarter Ibmol of oxygen gas (O₂) undergoes a process from p₁ = 20 lb/in². T₁ = 500°R to p₂ = 150…

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Q: While the temperature remains constant at 38 degrees C, 2.5 kg of a certain ideal gas whose Cp =…

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Q: 2. Through an isentropic process, a piston compresses 2 kg of an ideal gas at 150 kPa and 35C in a…

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Q: Starting with the following alternative definition of C, and C,: C, = T(ƏS/ƏT)p, C, = T(@S/ƏT), show…

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Q: Air within a piston-cylinder assembly, initially at 33 Ibf/ in.?, 510°R, and a volume of 6 ft, is…

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Q: what is the nonflow work

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Q: 0.25kg/s of Carbon Dioxide (R = 0.1889 kJ/kg-K, k = 1.289) undergo a certain process in a close…

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Entropy

In physics, entropy means the amount of disorder or the degree of randomness associated with a thermodynamic system. The system is not self-organized when the entropy of the system is high. For instance, when a system is at an elevated temperature, its molecules are in random motion, vibrating and colliding with each other. During this scenario, the probability of finding a molecule at a particular place twice, is low. Under this circumstance, the system can be said to be in a high entropy.