Air contained within a piston–cylinder assembly undergoes three processes in series: Process 1–2: Compression at constant pressure from p1 = 69 kPa, V1 = 0.11 m3 to state 2. Process 2–3: Constant-volume heating to state 3, where p3 = 345 kPa. Process 3–1: Expansion to the initial state, during which the pressure–volume relationship is pV = constant. Sketch the processes in series on p-V coordinates. Evaluate (a) the volume at state 2, in m3, and (b) the work for each process, in kJ.

A piston-cylinder contains gas initially at 3500 kPaa with a volume of 0.03 m². The gas is compressed during a process where pV¹25= C to a pressure of 8500 kPaa. The heat transfer from the gas is 2.5 kJ. Determine the change in internal energy, neglecting changes in kinetic and potential energies. [Ans. 141.9 kJ]

Question 1 (a) Determine if the systems with the known properties below are completely specified in terms of their states based on state postulate? Explain if the state of any system cannot be specified. (i) System 1: Density and specific volume (ii) System 2: Mass and temperature (iii) System 3: Pressure and specific enthalpy (iv) System 4: Total volume and specific internal energy (v) System 5: Temperature, total enthalpy, and mass (b) In piston cylinder device with valve assembly, the system that is defined by the dashed line boundary consists of air in the cylinder as shown in Figure 1. Both valves are closed and there is no leakage through the sidewall of the piston during the compression. Determine whether the following statements are true or false. Piston Figure 1 Valve Statement 1: All parts of the system boundary shown in Figure I are moving boundary. Statement 2: The compression process is quasi-equilibrium if the compression happens in a very fast manner. Statement 3: If…

Consider the series of processes shown in the p-V diagram below for a piston-cylinder system. Given the diagram information, determine the net work for the process from State 1 to State 3, in units of [kJ]. Specify whether the net work is into or out of the system, per our convention.

I need help solving for the solutions. A closed system undergoes a cycle consisting of 3 processed. Fill in the table below with the missing data: Process Q(kJ) W(kJ) ΔE (kJ) 1-2 500 0   2-3 0 200   3-1 -400     Net

1000 cm^3 of air at an initial pressure of 1.10 × 10^5 Pa and temperature of 300 K undergoes the following changes: heat the air at constant pressureuntil its temperature reaches 390 K and then compress the air isothermallyuntil it returns to the initial volume of 1000 cm3and finally allow the air to cool so that its final pressure is 1.10 × 10^5 Pa. i. Draw a P-V graph to represent the changes undergone by the air ii. Calculate the maximum volume of the air.  iii. What is the maximum pressure of the air? iv. State how the net work done on the air for the whole process can bedetermined

A quantity of a certain perfect gas is compressed from an initial state of 0.085 mt bar to a final state of 0.033 m. 3.8 bar. The specific heat at constant volume is 0.724 k/kg K. and the specific heat at constant pressure is 1.02 k/kg K. The observed temperature rise is 122 K. Calculate the increase of internal energy of the gas to two decimal places with the Si unit. Hintiunit is k)

From Boyle and Charles's law, prove that the ideal gas equation looks like this:

just part d answer options are 1.8kJ 1.3J 1.3kJ 1.8J