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A system consisting of a gas contained in a cylinder with a frictionless piston is taken around the closed path a→b→c→a where the process c→a is isothermal. During the closed cycle, the system expels 150 J to the environment. If the heat expelled by the system during the isobaric leg b→c of the cycle is 625 J and the internal energy remains constant during the isothermal leg, what is the change in internal energy ΔU during the process a→b in J?

A system consisting of a gas contained in a cylinder with a frictionless piston is taken around the closed path a→b→c→a where the process c→a is isothermal. During the closed cycle, the system expels 150 J to the environment. If the heat expelled by the system during the isobaric leg b→c of the cycle is 625 J and the internal energy remains constant during the isothermal leg, what is the change in internal energy ΔU during the process a→b in J?

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 system consisting of a gas contained in a cylinder with a frictionless piston is taken around the closed path a→b→c→a where the process c→a is isothermal. During the closed cycle, the system expels 150 J to the environment.

If the heat expelled by the system during the isobaric leg b→c of the cycle is 625 J and the internal energy remains constant during the isothermal leg, what is the change in internal energy ΔU during the process a→b in J?

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