4. Calculate the Gibbs energy of the interfacial surface of 1 g of a benzene emulsion in water with a concentration of 65% (wt.) and a dispersion of 5 µm-1 at a temperature of 313 K. The density of benzene at this temperature is 0.858 g/cm3, the surface tension is 30.0 mJ/ m2, temperature coefficient of surface tension of benzene db/dT= -0.13 mJ/(m2*K).

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