C. Air (ideal gas) is contained in a piston/cylinder arrangement, that can exchange heat with a reservoir at a temperature of 25 °C. The amount of air is 1 kg and it is initially at a temperature of 25 °C and a pressure of 105 kPa. Then air is isothermally compressed to a pressure of 300 kPa.
C. Air (ideal gas) is contained in a piston/cylinder arrangement, that can exchange heat with a reservoir at a temperature of 25 °C. The amount of air is 1 kg and it is initially at a temperature of 25 °C and a pressure of 105 kPa. Then air is isothermally compressed to a pressure of 300 kPa.
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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please help with following problems:
(a) Determine the heat exchanged between the piston/cylinder and the heat
reservoir in kJ. Is heat added to the system or rejected to the heat
reservoir?
(b) Determine the change of entropy of the system in kJ/K. Is the result
reasonable?
(c) Determine the entropy generation in kJ/K (change of entropy of the
system+entropy change of the heat reservoir).

Transcribed Image Text:C. Air (ideal gas) is contained in a piston/cylinder arrangement, that can
exchange heat with a reservoir at a temperature of 25 °C. The amount of air is
1 kg and it is initially at a temperature of 25 °C and a pressure of 105 kPa.
Then air is isothermally compressed to a pressure of 300 kPa.
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