Question
(a) Explain the concepts of fugacity and fugacity coefficient and where and how these are used in problem solving. (b) For a pure gas compound, its fugacity coefficient can be calculated by the following equation: \ln \phi_{i}=\int_{0}^{P}\left(Z_{i}-1\right) \frac{d P}{P} \quad \text { Eq. } \mathbf{Q} 3 (1) Derive t
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