Question

In: Mechanical Engineering

Consider an adiabatic, piston cylinder assembly containing 1 kmol of propane (C3H8) and 7 kmol of...

Consider an adiabatic, piston cylinder assembly containing 1 kmol of propane (C3H8) and 7 kmol of oxygen (O2). The piston is initially pinned, and the pressure is P1=1000 kPa with temperature T=1000 K. The pin is removed and the system expands until the total cylinder pressure is P2=100 kPa and the temperature is T2=600 K. Assume ideal gases and constant specific heat.

Oxygen: cp=0.918 kJ/kg*K, cv=0.658 kJ/kg*K, MW=32 kmol/kg

Propane: cp=1.67 kJ/kg*K, cv=1.48 kJ/kg*K, MW=44 kmol/kg

Universal gas constant R=8.314 kJ/kmol*K

Find:

a) the mass of propane and oxygen in kg

b) the initial cylinder volume in m3

c) the work produced from state 1 to 2 in kJ

d) the amound of entropy generated from state 1 to 2 in kJ/K

Solutions

Expert Solution

samet mamat answered 2 years ago
Next > < Previous

Related Solutions

The propane is contained in a piston-cylinder assembly, which maintains constant pressure at 0.2 MPa. If...
The propane is contained in a piston-cylinder assembly, which maintains constant pressure at 0.2 MPa. If a mixture with a quality of 0.65 and a total volume of 0.07 m3 is slowly heated to a temperature of 54°C, a) what was the total work into the system b) what was the total amount of heat added to the system. Please explain what tables you use to find the answer.
The propane is contained in a piston-cylinder assembly, which maintains constant pressure at 0.2 MPa. If...
The propane is contained in a piston-cylinder assembly, which maintains constant pressure at 0.2 MPa. If a mixture with a quality of 0.65 and a total volume of 0.07 m3 is slowly heated to a temperature of 54°C. a) what was the total work into the system. b) what was the total amount of heat added to the system.
A piston–cylinder assembly contains propane, initially at 27°C, 1 bar, and a volume of 0.1 m3....
A piston–cylinder assembly contains propane, initially at 27°C, 1 bar, and a volume of 0.1 m3. The propane undergoes a process to a final pressure of 4 bar, during which the pressure–volume relationship is pV1.1 = constant. For the propane, evaluate the work and heat transfer, each in kJ. Kinetic and potential energy effects can be ignored.
Consider a 10.00 L cylinder divided by an adiabatic piston. Side A contains Ar at PA1...
Consider a 10.00 L cylinder divided by an adiabatic piston. Side A contains Ar at PA1 = 2.00 atm, VA1 = 5.00 L, and TA1 = 500K. Side B contains Ne at PB1 = 2.00 atm, VB1 = 5.00 L, and TB1 = 500K. Side B is completely adiabatic and closed. Side A is maintained isothermal and has a small hole in the end, which is plugged by a stopper. When the stopper is pulled, the Ar in Side A...
If a cylinder contains 12.0lb of liquid propane (C3H8), what volume does the propane occupy when...
If a cylinder contains 12.0lb of liquid propane (C3H8), what volume does the propane occupy when it has completely vaporized at STP?
A gas is contained in a vertical piston–cylinder assembly by a piston with a face area...
A gas is contained in a vertical piston–cylinder assembly by a piston with a face area of 40 in2 and weight of 100 lbf. The atmosphere exerts a pressure of 14.7 lbf/in2 on top of the piston. A paddle wheel transfers 3 Btu of energy to the gas during a process in which the elevation of the piston increases slowly by 2 ft. The piston and cylinder are poor thermal conductors, and friction between the piston and cylinder can be...
Consider a system consisting of a cylinder with a movable piston containing 106 gas molecules at...
Consider a system consisting of a cylinder with a movable piston containing 106 gas molecules at 298 K at a volume of 1 L. Consider the following descriptions of this system: A. Initial system as described above. B. Starting from the initial system, the volume of the container is changed to 2 L and the temperature to 395 K. C. Starting from the initial system, a combination reaction occurs at constant volume and temperature. D. Starting from the initial system,...
Complete combustion of 1 kmol of PROPANE GAS with 0% excess air produces (?????) kmol of...
Complete combustion of 1 kmol of PROPANE GAS with 0% excess air produces (?????) kmol of carbon-dioxide gas. (enter a decimal number)
A cylinder containing ideal gas is sealed by a piston that is above the gas. The...
A cylinder containing ideal gas is sealed by a piston that is above the gas. The piston is a cylindrical object, with a weight of 36.0 N, which can slide up or down in the cylinder without friction. The inner radius of the cylinder, and the radius of the piston, is 7.00 cm. The top of the piston is exposed to the atmosphere, and the atmospheric pressure is 101.3 kPa. The cylinder has a height of 30.0 cm, and, when...
Water in a piston-cylinder assembly is at 1 MPa, 500◦C. There are two stops, a lower...
Water in a piston-cylinder assembly is at 1 MPa, 500◦C. There are two stops, a lower one at which Vmin = 1 m3 and an upper one at Vmax = 3 m3. The piston is loaded with a mass and outside atmosphere such that it floats when the pressure is 500 kPa. This setup is now cooled to 100◦C by rejecting heat to the surroundings at 20◦C. a. Show the path of the process on T-V and P-V diagrams. b....
ADVERTISEMENT
Subjects
ADVERTISEMENT
Latest Questions
ADVERTISEMENT