Energy (Surface energy) is the force that is used to increase the surface area (Surface area) by thinking in terms of energy, which will see the atoms or molecules of a material in the skin they have the bond strength between molecules (Intermolecular force) that is different from the part that is contained within the fluid (Bulk) it can be seen that the molecules inside the liquid, it will have the same bond strength every direction while the skin will have a bond strength that unbalanced. Which in itself would be willing, as a thin film that resist lateral forces from the outside. To create a new surface area is required to use the energy called energy surface will cause the bond strength of these molecules are broken, where energy consumption is proportional to the number of molecules inside ran out, that means your skin surface area (dA) it shall be the proportion of energy (dG).
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