Question: For a gas at a given temperature, the compression factor z is described by the empirical equation where P° = 1 bar. Calculate the fugacity

For a gas at a given temperature, the compression factor z is described by the empirical equation

z = 1- 8.50 x 103- + 3.50 x 10 P° P°

where P° = 1 bar. Calculate the fugacity coefficient for P = 150., 250., 350., 450., and 550. bar. For which of these values is the fugacity coefficient greater than 1?

z = 1- 8.50 x 103- + 3.50 x 10 P P

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