50 grams of water at 20ºC is converted into steam at 250ºC at constant atmospheric pressure. Assuming the heat capacity per gram of liquid water to remain constant at 4.2 J/g K and the heat of vaporization at 100ºC to be 226 J/g, and using Cp/R=a+bT+cT2, calculate the entropy change of the system.                                 a=3.652, b=1.157x10-3 K-1, c=0.142x10-6 K-2

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Q: A steam at 8 kPa with an entropy of 6.4052 kJ/ kg - k is the output after the condensing process.…

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Q: 50 grams of water at 20ºC is converted into steam at 250ºC at constant atmospheric pressure.…

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Q: 4) A sample of argon at 01 atm pressure and 25C expands reversibly and adiabatically from 0.5 L to…

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Q: Water at 95°C having mass of 45 kg is filled in a container and is placed in well-insulated room.…

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Q: 3. A 2 kg mass of oxygen expands at a constant pressure of 172 kPa in piston-cylinder system from a…

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Q: pl liquid water 18 cal/mol-K %3D steam (cal/mol-K) = 7.2 + 2.4 x 10-3T

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Q: A closed, rigid tank fitted with a paddle wheel contains 0.1 kg of Carbon Monoxide (CO), initially…

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Q: Consider a closed, isolated system that consists of two substances 1 and 2 that both have constant…

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Q: A car tire, which should normally be at 36 psia pressure, has 25 0,C 0.10 kg N2 gas at 32 psia…

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Q: A small rigid storage tank with a volume of 0.12 m3 contains 0.9 kg of argon at 40°C. Heat transfer…

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Q: Consider a closed, isolated system that consists of two substances 1 and 2 that both have constant…

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Q: QUESTION 1 An ideal gas undergoes isentropic expansion in a turbine from 520 0C. The initial…

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Q: entropy (in kJ/kgK)

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Q: Define the mechanisms of entropy transfer for a general system.

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Q: In a fixed volume container with a volume of 0.1 m^3, initially there is saturated water vapor at…

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Q: Water at the initial pressure and temperature of P1 = 40 bar and T1 = 553.15K, respectively, is…

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Q: Argon (K=1.667) gas is compressed from 1 atm and 30°C to a pressure of 10 atm adiabatically. The…

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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.