1 answer

Vapor pressure

Question:

Benzaldehyde (C6H5CHO) has a normal boiling point of 179.0C and a critical point at 422C and 45.9atm .Estimate its vapor pressure at 130.0C


Answers

Believe you should be able to use the Lee-Kesler equation for estimating vapor pressure.

http://en.wikipedia.org/wiki/Lee-Kesler_…

The equation needs to be used twice:
1.) Using known boiling point at atmospheric pressure to solve for accentric factor
2.) Solving equation for P at given conditions..

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