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Carbon Dioxide (CO2) is contained within a vertical piston-cylinder assembly. The piston has a mass of 75 kg and a diameter of 0.25 m. The CO2 initially occupies a volume of 0.25 m³. The CO2 slowly contracts at constant pressure to a final volume half that of the initial volume. During the process, the internal energy decreases by 10 kJ. Neglecting friction between the piston and the cylinder wall, and assuming that the piston (not the cylinder) is a good insulator, determine: a. the heat transfer to/from a system that contains the CO2 only. b. the heat transfer to/from a system that contains the CO2 and the piston. CO2

Carbon Dioxide (CO2) is contained within a vertical piston-cylinder assembly. The piston has a mass of 75 kg and a diameter of 0.25 m. The CO2 initially occupies a volume of 0.25 m³. The CO2 slowly contracts at constant pressure to a final volume half that of the initial volume. During the process, the internal energy decreases by 10 kJ. Neglecting friction between the piston and the cylinder wall, and assuming that the piston (not the cylinder) is a good insulator, determine: a. the heat transfer to/from a system that contains the CO2 only. b. the heat transfer to/from a system that contains the CO2 and the piston. CO2

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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Carbon Dioxide (CO2) is contained within a vertical piston-cylinder assembly. The piston has a mass of 75 kg and a diameter of 0.25 m. The CO2 initially occupies a volume of 0.25 m³. The CO2 slowly contracts at constant pressure to a final volume half that of the initial volume. During the process, the internal energy decreases by 10 kJ. Neglecting friction between the piston and the cylinder wall, and assuming that the piston (not the cylinder) is a good insulator, determine: a. the heat transfer to/from a system that contains the CO2 only. b. the heat transfer to/from a system that contains the CO2 and the piston. CO₂
Transcribed Image Text:Carbon Dioxide (CO2) is contained within a vertical piston-cylinder assembly. The piston has a mass of 75 kg and a diameter of 0.25 m. The CO2 initially occupies a volume of 0.25 m³. The CO2 slowly contracts at constant pressure to a final volume half that of the initial volume. During the process, the internal energy decreases by 10 kJ. Neglecting friction between the piston and the cylinder wall, and assuming that the piston (not the cylinder) is a good insulator, determine: a. the heat transfer to/from a system that contains the CO2 only. b. the heat transfer to/from a system that contains the CO2 and the piston. CO₂
Expert Solution
Step 1

Given data 

Mass of piston = 75 kg

Diameter of piston = 0.25 m

Initial volume = 0.25 m^3

Final volume = 0.125 m^3

Decrease in internal energy = 10 kj

Find the heat transfer 

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