Question

How does surface tension of a liquid vary with temperatures ?

Answer 1

In general, surface tension decreases when temperature increases because cohesive forces decrease with anincrease of molecular thermal activity. The influence of the surrounding environment is due to the adhesive action liquid molecules have at the interface.

Answer 2

hey mate

The critical temperature is the point where the surface tension of any liquid disappears.You can convert the surface tension to an energy by a suitable thermodynamic function.For solids the situation is complicated by surface stress that can lead to premelting of the surface. In liquids these structural stresses do not develop.


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