Fugacity of a Single Component: ConcepTest and Example Problem

Try to answer this ConcepTest and solve the example problem before using this module. Studies show that trying to answer the questions before studying material improves learning and retention. We suggest that you write down the reasons for your answers. By the end of this module, you should be able to answer these on your own. Answers will be given at the end of this module.

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Example Problem 1

a) Calculate the fugacity of a pure gas at 500 K and 30 bar.
b) Suppose pure liquid is in equlibrium with the gas at 500 K and 30 bar. Calculate the fugacity.
c) Calculate the liquid fugacity at 500 K and 60 bar.
Vliq = 25 cm3/mol
Compressibility factor of gas: z=1.0 – 0.01P