Molecular formula : CAS :
nature : also known as surface tension. , The surface is liquid between two adjacent unit length of mutual traction, is a manifestation of the molecular force. On the surface molecule by molecule within the liquid surface tends to attract so contraction, which in the performance of any two surface between each other with some traction (tension), its direction and surface tangent, and two and part of the vertical line. Tension between the flat surface of mN / m (dyn / cm), its size and the nature of the liquid, purity and temperature. Due to surface tension between the role of liquid surface always tend to minimize as much as possible, the air was often small droplets of small spherical.
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