Question

Why is energy required to increase the surface area of a liquid?

Answer 1

Answer:

Surface tension, capillary action, and viscosity are unique properties of liquids that depend on the nature of intermolecular interactions. Surface tension is the energy required to increase the surface area of a liquid by a given amount.

Answer 2

In an uneven condition, the total surface area of both a liquid requires energy since a bigger surface area includes more molecules.

Why energy needs to increase the surface area of a liquid :

• When a liquid's surface area is expanded, molecules from the liquid's inside rising to the surface.

• Work is performed against the cohesive force as these molecules approach the surface. Potential energy is stored inside the molecules as a result of this effort.

• Unbalanced molecular attraction at a liquid's surface tends to draw molecules back into the main liquid, leaving the smallest amount of present on the surface.

• In an uneven condition, the total surface area of both a liquid requires energy since a bigger surface area includes more molecules.