1.Argon contained in a closed, rigid tank, initially at 62.3°C, 3.9 bar, and a volume of 4.2 m3, is heated to a final pressure of 9.4 bar. Assuming the ideal gas model with k = 1.6 for the argon, determine the heat transfer, in kJ.
2.Water vapor contained in a piston–cylinder assembly undergoes an isothermal expansion at 223°C from a pressure of 5.4 bar to a pressure of 1.9 bar. Evaluate the work, in kJ/kg.
3.A mass of 4 kilograms of carbon dioxide (CO2) in a
piston-cylinder assembly undergoes two processes in series from an
initial state where p1 = 2.1 MPa,
T1 = 282°C:
Process 1–2: Constant-temperature expansion until
the volume is twice the initial volume.
Process 2–3: Constant-volume heating until the
pressure is again 2.1 MPa.
Assuming ideal gas behavior, determine the overall work, in kJ.
4.
Nitrogen (N2) contained in a piston–cylinder arrangement, initially at 5.4 bar and 420 K, undergoes an expansion to a final temperature of 300 K, during which the pressure–volume relationship is pV1.5 = constant. Assuming the ideal gas model for the N2, determine the heat transfer in kJ/kg.
5.A piston–cylinder assembly contains air, initially at 2.1 bar, 152 K, and a volume of 1.2 m3. The air undergoes a process to a state where the pressure is 0.9 bar, during which the pressure–volume relationship ispV = constant. Assuming ideal gas behavior for the air, determine the mass in kg.
1.Argon contained in a closed, rigid tank, initially at 62.3°C, 3.9 bar, and a volume of...
1.Water vapor contained in a piston–cylinder assembly undergoes an isothermal expansion at 277°C from a pressure of 5.1 bar to a pressure of 2.7 bar. Evaluate the work, in kJ/kg. 2.Nitrogen (N2) contained in a piston–cylinder arrangement, initially at 9.3 bar and 437 K, undergoes an expansion to a final temperature of 300 K, during which the pressure–volume relationship is pV1.1 = constant. Assuming the ideal gas model for the N2, determine the heat transfer in kJ/kg. 3.Argon contained in...
1. a) A piston–cylinder assembly contains air, initially at 1.9 bar, 295 K, and a volume of 0.6 m3. The air undergoes a process to a state where the pressure is 1 bar, during which the pressure–volume relationship is pV = constant. Assuming ideal gas behavior for the air, determine the mass in kg. b) Argon contained in a closed, rigid tank, initially at 51.1°C, 2.1 bar, and a volume of 2.9 m3, is heated to a final pressure of...
Air contained in a piston-cylinder assembly, initially at 2 bar, 200 K, and a volume of 1 L, undergoes a process to a final state where the pressure is 8 bar and the volume is 2 L During the process, the pressure-volume relationship is linear. Assuming the ideal gas model for the air, determine the work and heat transfer, each in kJ. 4. Air contained in a piston-cylinder assembly, initially at 2 bar, 200 K, and a volume of 1...
CAN YALL PLEASE HELP ME I HAVE 4 HOURS TO DO THESE!! THANK YOU!! Question 1 A mass of 4 kilograms of air in a piston-cylinder assembly undergoes two processes in series from an initial state where p1 = 0.3 MPa, T1 = 211°C: Process 1–2: Constant-temperature expansion until the volume is twice the initial volume. Process 2–3: Constant-volume heating until the pressure is again 0.3 MPa. Assuming ideal gas behavior, determine the temperature at state 3, in kelvin. _________________________________________________...
3.111 Air contained in a piston-cylinder assembly contains air, initially at 2 bar, 300 K and a volume of 2 m^3. The air undergoes a process to a state where pressure is 1 bar, during which the pressure-volume relationship is PV=constant. Assuming ideal gas behavior for air, determine the mass of the air, in kg and the work and heat transfer, each in KJ.
Carbon dioxide contained in a piston-cylinder arrangement, initially at 6 bar and 400K, undergoes an expansion to a final temperature of 298 k, during which the pressure-volume relationship if pV^1.2 = constant. Assuming the ideal gas model for the CO2, determine the final pressure, in bar, and the work and heat transfer, each in kJ/kg
Using Energy Concepts and the Ideal Gas ModelArgon contained in a closed, rigid tank, initially at 50°C, 2 bar, and a volume of 2 m3, is heated to a final pressure of 8 bar. Assuming the ideal gas model with k = 1.67 for the argon, determine the final temperature, in °C, and the heat transfer, in kJ.
As shown in the figure below, a gas contained within a piston-cylinder assembly, initially at a volume of 0.1 m3, undergoes a constant-pressure expansion at p 2 bar to a final volume of V2 0.2 m3, while being slowly heated through the base. The change in internal energy of the gas is 0.25 kJ. The piston and cylinder walls are fabricated from heat-resistant material, and the piston moves smoothly in the cylinder. The local atmospheric pressure is 1 bar. Piston-...
Work and Heat Transfer in KJ please Problem 3.076 SI Air contained in a piston-cylinder assembly, initially at 2 bar, 200 K, and a volume of 1 L, undergoes a process to a final state where the pressure is 7.5 bar and the volume Is 2 L. During the process, the pressure-volume relatlonshlp Is lInean Assuming the ideal gas model for the alr, determine the work and heat transfer, each In k)
Five kg of water is contained in a piston–cylinder assembly, initially at 5 bar and 200°C. The water is slowly heated at constant pressure to a final state. The heat transfer for the process is 3260 kJ and kinetic and potential energy effects are negligible. Determine the final volume, in m3, and the work for the process, in kJ.