Clausius inequality | Thermodynamic world view, chapter 19

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This is Ep19 in a series of videos on thermodynamics, Thermodynamic world view.
This video is on the concept of Clausius inequality and definition of entropy.

The series is made as a part of the coursework in School of Engineering Sciences and Technology, University of Hyderabad.

Made by Dr. K. Guruvidyathri
Assistant Professor,
School of Engineering Sciences and Technology,
University of Hyderabad.

Music credit:
Author/Artist: Purple-planet
Song Title: An Agent Alone
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One of the best explanations for the Clausius Inequality!

michaelgarcia
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Great video.

I have an question:

Change of entropy for a cyclic process is not zero for irreversible process, but zero for reversible. So for reversible entropy doesn’t depend on path but for irreversible it depend on path.
So for reversible, we call entropy as point function or property by definition.
But for irreversible should we say entropy is property?
If yes, what is the reason though it is not behave like point function? Please explain.
Thanks.

sumonmiah