(a) discuss the difference in AStotal between the reversible isothermal expansion and irreversible free expansion of a perfect gas. (b) To restore the system to the original state, the work needs to be done. Please express the direct relation between the work needed to restore the system to the original state and the entropy change.

Q: 1kg of air is allowed to .19 expand reversibly in a cylinder behind a piston in such way the…

A:

Q: Two perfect gas systems undergo reversible expansion under different conditions starting from the…

A:

Q: How can we prove that the Stuve diagram does not have area propotiobal to energy? 2. Show that the…

A: Basically stuve diagram is used for analyzing and forecasting the weather an environment. Draw a…

Q: In a piston-cylinder assembly, 0.2 MPa pressure, 0.5 kg of Refrigerant 134 (SA-134) at 20 °C is…

A:

Q: A large, insulated tank of contains 55 liters of water at a temperature of 20°C. You drop in an…

A: Given: Vtank=55 litersTwater=20°Cmice=30 gmTice=0°C

Q: A substance for whichκis a constantundergoes an isothermal, reversible process from aninitial state…

A:

Q: Is it possible for the entropy change of a closed system to be zero during an irreversible process?

A: The entropy change for irreversible process for closed system is given byHere, term  comes due to…

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: Required information NOTE: This is a multi-part question. Once an answer is submitted, you will be…

A: Write the given data. m=27 lbmvi=50 ft3/lbmTi=60 °F=288.70 Kvf=20 ft3/lbmTf=240 °F=388.70 KR=0.4961…

Q: 10 kg of water is cooled from 35 °C to 5 °C in a reversible refrigerator. The refrigerator extracts…

A:

Q: (a) i) Consider an ideal gas at a given state that expands to a fixed final volume. In the first…

A:

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: substance for which κ is a constantundergoes an isothermal, reversible process from aninitial state…

A:

Q: 1 An isentrop (a) Irreversible and adiabatic (b) Reversible and isothermal (c) Frictionless and…

A: 1. An Isentropic process is always  Answer : c ) Frictionless and Adiabatic Explanation : In the…

Q: A cylinder given contains 6 m^3 of an ideal gas at a pressure 1 bar .The gas is compressed in a…

A: Given:volume of gas=6 m3Pressure=1 barfinal pressure=5 barFind,Work=?

Q: A perfect gas undergoes a reversible isothermal expansion to a final volume. If the same gas at the…

A: To explain:A perfect gas undergoes a reversible isothermal expansion to a final volume. If the same…

Q: Q. ASSERTION (A) : There is entropy transfer both in heat transfer and(work transfer Reason (R) Both…

A: Entropy can transfer to or from a system in two ways:  With the heat transfer from or to the system…

Q: Give an example of Energy and entropy balances for a system.

A: Let's first understand entropy and energy. Entropy is basically defined as the ratio of the…

Q: Two identical piston-cylinder devices are each filled with 1 kg air at T = 300 K and P = 2 bar.…

A:

Q: Determine the negligible changes

A: Given;    When an ideal gas with constant specific heats is throttled  adiabatically,Negligible…

Q: a) A piston-cylinder device contains a working fluid which undergoes an irreversible and…

A:

Q: Q.8 During the quenching process, a hot iron of mass 25kg and at a temperature of 450°c is dropped…

A: Data given -  mI = 25 kg  TI = 450°C = 723 K  CI = 0.5 kJ/kg K  moil = 180 kg  Toil = 20°C = 293 K…

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: A 0.15 kg of air contained in a piston-cylinder device where the initial pressure was 2000 kPa and…

A:

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: 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: The heating of an ideal gas is a thermodynamic transformation: O (a) Always reversible O (b) Always…

A: Given data To select the correct option.

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…

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

A:

Q: 1- An isentropic (a) Irreversible and adiabatic (b) Reversible and isothermal (c) Frictionless and…

A: To select the most appropriate options.

Q: The closed piston cylinder system contains N2 gas at 5 bar and 127°C with initial volume of 750 cm3…

A:

Q: A cylinder contains 5 m³ of an ideal gas at a pressure 1 bar. This gas is compressed in a reversible…

A: Given, V1= 5 m3 P1= 1 bar  P2=5 bar

Q: Describe the equilibrium condition in terms of the entropy changes of a system and its surroundings.…

A: Given Data⇒Equilibrium condition in terms of the entropy changes of a systemProblem…

Q: Find the desired thermodynamic properties in the cases given below. Draw the P-v diagram for Su's…

A:

Q: (B) Show that the change of entropy of a perfect gas for isentropic process equals zero.

A: Perfect gas is given. Isentropic process is the process in which heat transfer is zero.  By using…

Thermodynamic Relations

Thermodynamics is the division of physics that deals with the transfer of any kind of energy, whether it be heat, temperature, or work, from one object to another.