A 2 kg nitrogen execute an internally reversible process whereby heat is received, causing the total entropy to increase by 1.8 kJ/K for an initial temperature of 80 degrees Celsius.

Q: A steel casting (Ĉp = 0.12 kcal/kgK) weighing 40 kg and at a temperature of 500 ° C is quenched in…

A: Given:Mass of steel casting, ms=40 kgTemperature of steel casting, Ts=500°CMass of oil, mo=100…

Q: team with an enthalpy of 2843.5 KJ/kg undergoes a constant pressure process at 0.9 MPa until the…

A: Given:h1=2843.5 KJ/KgP1=P2=0.9 MPah2=2056.1 KJ/Kg NOTE: According to Bartleyby's guidelines we can…

Q: Q1) Can the entropy of a closed system decrease during a reversible process ? Write down what needs…

A: Entropy Entropy is the measure of disorder in the system i.e. more the disorder entropy increases.…

Q: Arrange the given systems in order from highest entropy to lowest entropy. liquid salt water at…

A: Since,entropy is defined as the measure of molecular disorder.Molecular disorder increases with…

Q: 6. A closed gaseous system undergoes a reversible process in which 28 BTU of heat are rejected and…

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Q: - system compris y 4 kJ/kg K and te

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Q: A frictionless piston-cylinder device contains a liquid-vapor mixture of water at the temperature of…

A: Temperature of liquid-water mixture, T=400 KHeat transfer out from the water, Q=-800 kJFind:The…

Q: A 1kg gas within a piston-cylinder assembly undergoes an isothermal reversible process at 400 K…

A: The mass of gas is .The temperature is .The change in entropy is.The specific heat at constant…

Q: A rigid tank containing air is subjected to a reversible process in which it is heated from its…

A: Answer: The specific change in entropy is 0.760324 kJ/kg•K.

Q: Entropy generation outside system boundaries can be accounted for by writing an entropy balance on…

A: Entropy is associated with the irreversibility of a system, it denotes the degree o randomness of a…

Q: 1 kg of water, T1 = 300 ° C, P1 = 200 kPa in a piston-cylinder assembly passes a process to its…

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Q: Select the best answer and explain why you chose that answer. Entropy as a state function can be…

A: This question is based on the concept of entropy.

Q: If the entropy change of an adiabatic, closed system process is positive, the process is which of…

A:

Q: can you help me with this question that i found online

A: refer to the explanation section for Question 2, and Question 2.Explanation:

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

A:

Q: Derive an expression for molar entropy of an equally spaced three-level system, where the spacing…

A: to derive an expression for the molar entropy  of an equally spaced three level system with a…

Q: 0.05 kg of a certain gas in a piston and cylinder is compressed reversibly until the pressure…

A: Given: Mass of the gas (m)=0.05kg Initial pressure of the gas P1=0.1025MPa Initial volume of the gas…

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

A:

Q: For an ideal gas, a constant pressure line and a constant volume line intersect at a point, in the…

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Q: с. zero d. indeterminate. 95. A closed system undergoes a process in which the work is done by the…

A: 94.a closed system undergoes a process in which the work is done by the system on the surroundings…

Q: Q1: Select the right choice 1- An isentropic process is always (a) Irreversible and adiabatic (c)…

A: 1). Isentropic process  isentropic process is a thermodynamic process that is both adiabatic and…

Q: Q.6 A 75 ohm resistor carrying a constant current of 1 A is kept at a constant temperature of 27 °C…

A: Data given-  R = 75 ohm  I = 1 Ampere  T = 27°C = 300 K  t = 1 sec

Q: An oxygen gas R = 0.2598 KJ/kg°k and k = 1.395. If 4 kg of oxygen undergo a reversible non flow…

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Q: Steam enters an adiabatic turbine with a mass flow rate of 5 kg/s at 3 MPa, 600° C, and 80 m/s. It…

A: The enthalpy of the steam at the inlet can be determined as, The enthalpy of the steam at the…

Q: The turbine of a vapor power plant its schematics is shown in Figure Q6 is evaluated for entropy…

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Q: 22. A closed system undergoes a frictionless process from 200 psia and 3 ft³ during which theproduct…

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Q: 1 kg of water, T1 = 300 ° C, P1 = 200 kPa in a piston-cylinder assembly passes a process to its…

A: Given Data⇒ Mass of water (m) = 1 kg P1=200 KPa T1=3000C=573 K Piston cylinder assembly Constant…

Q: Saturated vapor water at 100 kPa enters an isentropic compressor and exits at 2 MPa. Note that…

A: Given:At compressor inlet:Phase: saturated vaporAt compressor outlet:Compressor is isentropic i.e.…

Q: Two pounds of a certain gas( ft-lby Ib-R deg F are reversibly compressed according to C, = 0.17 Tb-R…

A:

Q: Hi, can you please help me with this entropy problem?

A: (a) Entropy generation is 0 .(b) Entropy generation is −2kJ/K .Explanation:Initial condition,Volume…

Q: A Gas enters an engine cylinder with volumetric analysis as follows: Oxygen =12.5%, Carbon Dioxide =…

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Q: 4. An ideal gas in a piston/cylinder arrangement is cooled in an irreversible process. As its…

A: An ideal gas in a piston/cylinder arrangement is cooled in an irreversible process. As its…

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: 2. Please consider a universe that consisted of two very, very large bodies that exchanged 1,000…

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Q: change in entropy S2 - S1 (in j/kg-K) is

A: Given data; One kg of air;  R= 287 j/kg-K State 1;   T1=200C    v1=0.9 m3  State 2;     T2=200C…

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

A: Given data, m˙1= Mass flow rate of the steam which is entering to the chamber at 30 bar = 50000 Kg/h…

Q: Que: The entropy is defines as S(E,V) = k log r( E) Where k is a universal constant known as…

A: Entropy is associated with the randomness in a system. It is the measure of randomness in various…

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: A frictionless piston – cylinder device initially contains 1 kg of water at 2 bar and 150 °C. The…

A: Given data, m = Mass of water = 1 Kg P1 = Initial pressure of the water = 2 bar T1 = Initial…

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.