5.10 Other Equations of State

We have discussed the merits and demerits of Van der Waals’ equation. In order to overcome the defect of Van der Waals’ equation, different equations of states have been proposed. The main object of such equations of state is to fit the experimental results of the real gases. Some of the equations of state are derived from rigorous theoretical considerations while others have been derived empirically. We shall mention a few of them.

  1. Clausius equation

    According to Clausius, the equation of state is

     

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    The constant a of Van der Waals’ equation has been changed to in order to incorporate the variation of a with temperature. ...

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