TBR Carnot cycle help please!!!

[yellowjellybean]

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So I watched the khanacademy video on the carnot cycle and he went over a P vs V graph which made total sense. Then I read TBR where they explained a P vs T graph and it really confused me because I don't know how to relate this to the P vs. V graph. Like where is the isothermal part on this graph?

Also for anyone who has the book, the graph on page 159, why is the box in the diagram not symmetric as in why is the top horizontal line longer than the bottom horizontal line?

Thank you so much!

 

[Technorino]

I have a question also but was about to make a new thread.

Is this topic even covered on the mcat because I looked up the topic list and nothing on there deals with the carnot cycle or refrigerators.

https://www.aamc.org/students/download/85562/data/ps_topics.pdf

Can anyone shed some light?

 

[yellowjellybean]

I think it could still be on a passage because it is an application of many thermodynamic concepts that are on the list.