Evaluation of fugacity (Chemical Engineering)

AI Thread Summary
The discussion revolves around the evaluation of fugacity in liquids and gases, specifically questioning the validity of an equation that may lead to an undefined value of ln0. Participants suggest consulting Chapter 11 of the textbook by Smith, Van Ness, and Abbott for clarification. One user mentions that the compressibility factor, Z, can be derived using the Lee-Kesler correlations found in the textbook, which require careful double interpolation. The conversation indicates that understanding these concepts is crucial for solving related problems in chemical engineering. Overall, the importance of using reliable resources and methods for evaluating fugacity is emphasized.
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Homework Statement



I was revising the topic on the evaluation of fugacity of liquids and gases for my chemical engineering course, when I ran into an equation which I think, may be wrong as I think it may evaluate to ln0, which is infinity.

Here is a snapshot of the equation:

vo23w7.jpg


The equation in question is the integral just above the words "GRAPHICAL INTEGRATION".

May I know if the equation is erroneous?

Thanks!

Homework Equations



NIL

The Attempt at a Solution


NIL
 
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Have you looked through your textbook? It would be in Chapter 11 of Smith, Van Ness, and Abbott if I am not mistaken
 
Maylis said:
Have you looked through your textbook? It would be in Chapter 11 of Smith, Van Ness, and Abbott if I am not mistaken

Hi Maylis. I think my friend got his answer already~ :) He said something about using the table, and that the Z thingy is a function of Pr. Haha. Is he correct? I don't have the textbook, perhaps I can ask him to borrow it at the library. :)
 
He may be speaking about the Lee-Kesler correlations, which are found in tables in the same textbook mentioned. Those tables require the use of double interpolation, so be methodical when using them to find the compressibility factor, Z.
 
Maylis said:
He may be speaking about the Lee-Kesler correlations, which are found in tables in the same textbook mentioned. Those tables require the use of double interpolation, so be methodical when using them to find the compressibility factor, Z.

I see. Yupp, my friend said he has understood the concept. :) Thanks!
 
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