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Nitrogen in a piston cylinder device occupies 0.5 m3 at 100 kPa and 20 °C. It undergoes a compres...
A piston-cylinder device contains 0.78 kg of nitrogen gas at 140 kPa and 37°C. The gas...
A piston-cylinder device contains 0.78 kg of nitrogen gas at 140 kPa and 37°C. The gas is now compressed slowly in a polytropic process during which PV1.3 = constant. The process ends when the volume is reduced by one-half. Determine the entropy change of nitrogen during this process. The gas constant of nitrogen is R= 0.2968 kJ/kg-K. The constant volume specific heat of nitrogen at room temperature is Cr=0.743 kJ/kg-K. (Round the final answer to five decimal places.) The entropy...
A piston-cylinder device contains 0.63 kg of nitrogen gas at 140 kPa and 37°C. The gas...
A piston-cylinder device contains 0.63 kg of nitrogen gas at 140 kPa and 37°C. The gas is now compressed slowly in a polytropic process during which PV1.3. constant. The process ends when the volume is reduced by one-halt. Determine the entropy change of nitrogen during this process. The gas constant of nitrogen is R-0.2968 kJ/kg K. The constant volume specific heat of nitrogen at room temperature is C -0.743 kJ/kg K. (Round the final answer to five decimal places.) The...
A gas in a cylinder piston system occupies V, - 15 mºat P. = 220 kPa...
A gas in a cylinder piston system occupies V, - 15 mºat P. = 220 kPa and T, -20°C. Then, the gas undergoes a polytropic compression process until its temperature becomes T, 300'C. The entropy change of the gas during this process is AS - -1.7626 kJ/K, (AS-S.-5.). By assuming ideal gas (R = 0.3 kJ/kg.K. cp = 0.8 kJ/kg.K. cv = 0.5 kJ/kg.K), determine: 3pt) the mass of the gas, m (kg) = (9pt) the work transfer, W (kl)...
A piston-cylinder device initially contains 0.07 m3 of nitrogen gas at 130 kPa and 120 degrees...
A piston-cylinder device initially contains 0.07 m3 of nitrogen gas at 130 kPa and 120 degrees celcius. The nitrogen is now expanded polytropically to a state of 100 kPa and 100 degrees celcius. Determine the boundary work done during this process. Step by step solutions with basic explanations
Air in an insulated piston-cylinder assembly undergoes a compression process from 100 kPa, 300 K to...
Air in an insulated piston-cylinder assembly undergoes a compression process from 100 kPa, 300 K to a second state at 600 K and 1 MPa. How much entropy is produced, in kJ/kgK? You can assume that the air is modeled as an ideal gas. Rair 0.287 kJ/kgK
A piston cylinder device contains air with a volume of 0.05 m3 at 25oC and 100...
A piston cylinder device contains air with a volume of 0.05 m3 at 25oC and 100 kPa pressure. The gas is now compressed to a final temperature of 95oC at 250 kPa. This compression is polytropic and follows PVn=constant. a. Determine how much boundary work was added to the gas [in kJ] b. How much heat was added or removed from this system during this process? [in kJ]
Consider a piston-cylinder device (system) that contains 0.06 m3 of air at 300 kPa and 125...
Consider a piston-cylinder device (system) that contains 0.06 m3 of air at 300 kPa and 125 ̊C. (a) If the volume of air in the device increases to 0.15 m3 while the pressure remains constant, determine the work done by the system during the process. (b) If as a result of heat transfer to the surrounding, the pressure and temperature in the device drop to 240 kPa and 55 ̊C, respectively, and the piston is held such that the volume...
a piston -cylinder device contains 2.5 Kg of carbon dioxide (CO2 ) initially at 100 KPa...
a piston -cylinder device contains 2.5 Kg of carbon dioxide (CO2 ) initially at 100 KPa and 300o C. The carbon dioxide is then compressed to 200 kPa following a process of Pv1.25 =constant. Determine (A) the boundary worked needed for the process (B) The temperature after compression . use Ideal gas state and Pressure in absolute pressure ; R=0.1889 KJ/Kg-K
A piston-cylinder arrangement contains Nitrogen initially at 200 kPa, 107 C and 0.30 m3. The piston...
A piston-cylinder arrangement contains Nitrogen initially at 200 kPa, 107 C and 0.30 m3. The piston moves until the pressure increases to 500 kPa. The pressure-volume relationship during the process is described by the equation: P= -2000 V + 800 where P is in kPa and V in m3 (a) Determine the mass of Nitrogen in kilograms (b) Determine the work done (boundary work) “on” or “by” the Nitrogen in kJ (state which). (c) Determine the final temperature.
Check my work 6 10 A piston-cylinder device contains 0.63 kg of nitrogen gas at 140...
Check my work 6 10 A piston-cylinder device contains 0.63 kg of nitrogen gas at 140 kPa and 37°C. The gas is now compressed slowly in a polytropic process during which PV1.3 = constant. The process ends when the volume is reduced by one-half. Determine the entropy change of nitrogen during this process. The gas constant of nitrogen is R = 0.2968 kJ/kg.K. The constant volume specific heat of nitrogen at room temperature is cy" 0.743 kJ/kg.K. (Round the final...
A piston-cylinder device contains 0.78 kg of nitrogen gas at 140 kPa and 37°C. The gas is now compressed slowly in a polytropic process during which PV1.3 = constant. The process ends when the volume is reduced by one-half. Determine the entropy change of nitrogen during this process. The gas constant of nitrogen is R= 0.2968 kJ/kg-K. The constant volume specific heat of nitrogen at room temperature is Cr=0.743 kJ/kg-K. (Round the final answer to five decimal places.) The entropy...
A piston-cylinder device contains 0.63 kg of nitrogen gas at 140 kPa and 37°C. The gas is now compressed slowly in a polytropic process during which PV1.3. constant. The process ends when the volume is reduced by one-halt. Determine the entropy change of nitrogen during this process. The gas constant of nitrogen is R-0.2968 kJ/kg K. The constant volume specific heat of nitrogen at room temperature is C -0.743 kJ/kg K. (Round the final answer to five decimal places.) The...
A gas in a cylinder piston system occupies V, - 15 mºat P. = 220 kPa and T, -20°C. Then, the gas undergoes a polytropic compression process until its temperature becomes T, 300'C. The entropy change of the gas during this process is AS - -1.7626 kJ/K, (AS-S.-5.). By assuming ideal gas (R = 0.3 kJ/kg.K. cp = 0.8 kJ/kg.K. cv = 0.5 kJ/kg.K), determine: 3pt) the mass of the gas, m (kg) = (9pt) the work transfer, W (kl)...
Air in an insulated piston-cylinder assembly undergoes a compression process from 100 kPa, 300 K to a second state at 600 K and 1 MPa. How much entropy is produced, in kJ/kgK? You can assume that the air is modeled as an ideal gas. Rair 0.287 kJ/kgK
A piston-cylinder arrangement contains Nitrogen initially at 200 kPa, 107 C and 0.30 m3. The piston moves until the pressure increases to 500 kPa. The pressure-volume relationship during the process is described by the equation: P= -2000 V + 800 where P is in kPa and V in m3 (a) Determine the mass of Nitrogen in kilograms (b) Determine the work done (boundary work) “on” or “by” the Nitrogen in kJ (state which). (c) Determine the final temperature.
Check my work 6 10 A piston-cylinder device contains 0.63 kg of nitrogen gas at 140 kPa and 37°C. The gas is now compressed slowly in a polytropic process during which PV1.3 = constant. The process ends when the volume is reduced by one-half. Determine the entropy change of nitrogen during this process. The gas constant of nitrogen is R = 0.2968 kJ/kg.K. The constant volume specific heat of nitrogen at room temperature is cy" 0.743 kJ/kg.K. (Round the final...
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