Example 2.12:  A gas is compressed from 10 atm to 50 atm at a rate of 0.556 mol/s.  Estimate the power required for isothermal compression at 173.15 °K.  If Z is given as

 

Where a is -3.6 ´ 10-3 atm-1.

 

Solution 

$                 Fugacity (Equation 2.18)

 

$                 Work done by the system, W