N molecules of an ideal gas occupy a volume V initially. The gas then expands to volume 3V. Under which of the following circumstances will the entropy change be the least? A if the expansion is reversible and isothermal B if the expansion is reversible and adiabatic C if the expansion is reversible and is a combination of isothermal and adiabatic D the entropy change is the same for all the three processes

Q: Which one of the following statements about an ideal gas is true? O During an isochoric process, the…

A: Given:Statements about an ideal gas is true.Answer:Option:(A),(B)Now,Answer:A) During an isochoric…

Q: The working substance of a certain Carnot engine is 1.00 mol of an ideal monatomic gas. During the…

A:

Q: Two moles of an ideal gas initially at P1 = 16.63 bar, V1 = 6.5 L, and T1 = 650 K undergoes a…

A: A)  Given Two moles of an ideal gas undergoing reversible diabatic expansion P1 = 16.63 bar V1 = 6.5…

Q: A refrigerator has a coefficient of performance of K=2.2 Each cycle, it absorbs 3.35×104 J of heat…

A: A heat pump/refrigerator transfers energy from a cold reservoir to a hot reservoir, provided some…

Q: This pV diagram shows three possible paths for changing a system from an initial state, represented…

A: Work done in PV diagram is calculated as area covered by the path process. If area covered by path…

Q: have the entropy S..

A: Entropy means the degree of disorderness in a system.

Q: A metal rod of length 3 m is heated to 41°C. It is found that the length of the rod increases to 4 m…

A:

Q: 200 J of heat flows from a hot reservoir at 150 ⁰C to a cold reservoir at 39 ⁰C. Determine the…

A: The amount by which this process changes the entropy of the Universe. given, HeatQ=200 JHigh…

Q: The energy of an isolated system must remain constant, but the entropy can only decrease O True…

A: A closed thermodynamic system is a system which is cut off from the surrounding. It exchanges…

Q: of the system?

A:

Q: A. The following diagram represents a reversible carnot cycle of 1mol of an ideal gas (Cv = 1.5R).…

A:

Q: In the first law of thermodynamics, W is the work done on the system, that is, W is positive if work…

A:

Q: As shown in the PV diagram below, the cycle goes in the order of states A-B-C-D, and the system is…

A:

Q: А B Consider two systems A and B at unequal initial temperatures Ta and Tg, respectively. The two…

A: Given that :                   Two systems A and B are in container which is connected through…

Q: Let's consider a system consisting of two subsystems, isolated from the outside world. The…

A: The correct statements are: a. In equilibrium, the temperatures of both subsystems are the same, but…

Q: True or False The entropy change for an internally reversible system is zero. Entropy change for an…

A: The entropy change for an internally reversible system is zero -True  Entropy change for an…

Q: Determine whether the following statements about Cycles A through C are true or false. The…

A: We have to check whether the statements given are true or false.

Q: 4

A: Apply ideal gas equation for the processes 2-3 and 1-4.

Q: 5 The processes ab and c→d are isothermals and b→c and d → a are adiabatics. You can assume y = (see…

A: a to b and c to d are isothermals. b to c and d to a are adiabatic.  a to b, Temperature = 400 K

Q: Air is compressed by a 40-kW compressor from P to P2. The air temperature is maintained constant at…

A:

Q: 40 g of aluminum at 100°C are placed in thermal contact with 40 g of copper at 0°C. The two metals…

A: See below

Q: Part A A system consists of a 1.2 kg block of copper at 20°C and 1.5 kg block of copper at 200° C.…

A:

Q: As shown in the PV diagram below, the cycle goes in the order of states A-B-C-D, and the system is…

A: For process 1, W=8P0V0For process 2, W=0For process 3, W=-8P0V0For process 4, W=0 We know,…

Q: second law of thermodynamics states that the entropy of the universe is constantly increasing. Which…

A:

Q: An isolated room of air initially has a volume of 224 m^3 . Within this volume, there are 1.00 x…

A: From the first law of thermodynamics, dQ=dU+dWdQ is the change in energy of the systemdU is the…

Q: a. From the first law of thermodynamics derive the following relation for a quasi-static adiabatic…

A:

Q: 65 g of aluminum at 100°C are placed in thermal contact with 65 g of copper at 0°C. The two metals…

A:

Q: Entropy change for a free expansion of an ideal gas. A 0.5 mol of an ideal gas expands freely from a…

A: Given- Number of moles n=0.5 mol An ideal gas expands freely from a volume of 1 L to 3 L So,…

Q: A 9.50-mol sample of H2 gas is contained in the left side of the container shown below, which has…

A: Here given  9.50 mole of sample H2 gas in left side.We have to calculate the entropy when valve is…

Q: an ideal gas undergo a reversible isothermal m 1.66x10m³ to 4.59x10-2 m² at a temperature Y Part A…

A: Given:  Number of moles n=2 Initial volume v1 =1.66(10-2 ) cubic metre Final volume v2  =4.59(10-2 )…

Q: A Carnot device operates between a cold reservoir of temperature -95'C and a hot reservoir of…

A:

Q: P OOOOOO P₂ 2 1 + Q23=O P₁ V₁ V3 The closed cycle for a heat engine that uses a diatomic gas…

A:

Q: power radiated

A: The statement that (a) no heat engine can be more efficient than a Carnot engine working between the…

Q: 4.5 kg of water at 39 ^ °C is mixed with 4.5 kg of water at 67 °C in a well - insulated container.…

A:

Q: What is the total entropy change if a 0.440 efficiency engine takes 3.78E3 J of heat from a 348 degC…

A: To calculate the total entropy change, we can use the equation:ΔS = Q / Twhere ΔS is the total…

Q: A heat engine consists of the cycle shown for 3 moles of an ideal 2 2p monatomic gas. It starts at…

A:

Q: Four moles of an ideal diatomic gas change its volume from 2 m3 to 4 m3. The initial temperature of…

A: Diatomic Gas No. of moles = n = 4 R = 8.314 J/K Specific heat at constant pressure = Cp = 7/2(n)R…

Q: n moles of a diatomic ideal gas go through cycle a → b → c → d → a as shown in the figure. Processes…

A: 1) Work done in the process a-b Since, process a-b is isothermal.  Work done in process a-b, Wab =…

Q: A heat pump and a refrigerator both use 1000 W of work to extract 1500 W of energy from the cold…

A: Solution: Given that QH = 1500 W W = 1000 W

Q: Water condensation on surfaces such as a mirror after a hot shower, or on a lid of a pot of boiling…

A: Given:Condensation of water if irreversible process.It is asked about the entropy of the system and…