Calculate the heat of evaporation of a substance at 12.6 °Cusing following Lee-Kesler generalized chart (Te=408.2 K, Mw=58.124 g/mol) D EQUATIONS OF STATE 5.5 0.5-. soturated liquid -0.6 -0.7 4.5 -0.8 0.85 -0.9- 0.95 1.0 3.5 1.05 3 2.5 1.5 2. 4. Enthalpy departure Z = (h' – h)/RTer

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