2.1. Calculate the surface tension of aniline at the interface with air at a temperature of 292 K if the following results were obtained by the method of maximum bubble pressure: the pressure of a bubble when it passes into water is 11.82•102 N/m2, and into aniline 711.5 N/m2. Surface tension of water s° = 72.55•10-3 N/m.

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