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Oct 19, 2023 · Simply put, surface tension is the tendency of molecules of a liquid to be attracted more towards one another at the surface of a liquid than to the air above it. This attraction of molecules towards one another is known as an intermolecular force.
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Jan 30, 2023 · Surface tension is the energy, or work, required to increase the surface area of a liquid due to intermolecular forces. Since these intermolecular forces vary depending on the nature of the liquid (e.…
Oct 18, 2024 · Surface energy is the energy required to increase the surface area of a material. It arises from the imbalance of molecular forces at the surface compared to those within the material.
Feb 12, 2020 · Surface tension is a phenomenon in which the surface of a liquid, where the liquid is in contact with a gas, acts as a thin elastic sheet. This term is typically used only when the liquid surface is in contact with gas (such as the air). If the surface is between two liquids (such as water and oil), it is called "interface tension."
- Andrew Zimmerman Jones
- Figure \(\PageIndex{1}\): (a) Honey and (b) motor oil are examples of liquids with high viscosities; they flow slowly. (credit a: modification of work by Scott Bauer; credit b: modification of work by David Nagy)
- Figure \(\PageIndex{2}\): Attractive forces result in a spherical water drop that minimizes surface area; cohesive forces hold the sphere together; adhesive forces keep the drop attached to the web.
- Figure \(\PageIndex{3}\): Surface tension (right) prevents this insect, a “water strider,” from sinking into the water.
- Figure \(\PageIndex{4}\): Differences in the relative strengths of cohesive and adhesive forces result in different meniscus shapes for mercury (left) and water (right) in glass tubes.
Aug 14, 2020 · 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. The stronger the intermolecular interactions, the greater the surface tension.
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May 7, 2019 · Surface tension is a physical property equal to the amount of force per unit area necessary to expand the surface of a liquid. It is the tendency of a fluid surface to occupy the smallest possible surface area. Surface tension is a principal factor in capillary action.
