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A piston-cylinder device contains 4 kg of nitrogen initially at 100 kPa and 25°C. Nitrogen is now compressed slowly in a polytropic process during which PV3 constant until the volume is reduced by one-half. Determine the work done and the heat transfer for this process. The gas constant of N₂ is R=0.2968 kPa m³kg K. The cy value of N₂ at the anticipated average temperature of 350 K is 0.744 kJ/kg-K (Table A-2b). The work done for this process is The heat transfer for this process is kJ. kJ.

A piston-cylinder device contains 4 kg of nitrogen initially at 100 kPa and 25°C. Nitrogen is now compressed slowly in a polytropic process during which PV3 constant until the volume is reduced by one-half. Determine the work done and the heat transfer for this process. The gas constant of N₂ is R=0.2968 kPa m³kg K. The cy value of N₂ at the anticipated average temperature of 350 K is 0.744 kJ/kg-K (Table A-2b). The work done for this process is The heat transfer for this process is kJ. kJ.

Elements Of Electromagnetics
Elements Of Electromagnetics
7th Edition
ISBN:9780190698614
Author:Sadiku, Matthew N. O.
Publisher:Sadiku, Matthew N. O.
ChapterMA: Math Assessment
Section: Chapter Questions
Problem 1.1MA
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A piston-cylinder device contains 4 kg of nitrogen initially at 100 kPa and 25°C. Nitrogen is now compressed slowly in a polytropic process during which PV3- constant until the volume is reduced by one-half. Determine the work done and the heat transfer for this process. The gas constant of N₂ is R=0.2968 kPa-m³kg K. The cvalue of N₂ at the anticipated average temperature of 350 K is 0.744 kJ/kg-K (Table A-2b). The work done for this process is The heat transfer for this process is kJ KJ.
Transcribed Image Text:A piston-cylinder device contains 4 kg of nitrogen initially at 100 kPa and 25°C. Nitrogen is now compressed slowly in a polytropic process during which PV3- constant until the volume is reduced by one-half. Determine the work done and the heat transfer for this process. The gas constant of N₂ is R=0.2968 kPa-m³kg K. The cvalue of N₂ at the anticipated average temperature of 350 K is 0.744 kJ/kg-K (Table A-2b). The work done for this process is The heat transfer for this process is kJ KJ.
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