Calculate the excess pressure in a drop of water (due t

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Calculate the excess pressure in a drop of water (due to curvature) with a specific surface of 3 * 106 m – 1 at a temperature of 313 K if the surface tension of water at 298 K is 71.96 mJ / m2 and the temperature coefficient of surface tension of water is db / dT = –0.16 mJ / (m2 * K).