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The viscosity of a liquid is a measure of its resistance to flow. Water, gasoline, and other liquids that flow freely have a low viscosity. Honey, syrup, motor oil, and other liquids that do not flow freely, like those shown in Figure \(\PageIndex{1}\), have higher viscosities.
- 10.4: Properties of Liquids
Explain the origin of both surface tension and capillary...
- 10.4: Properties of Liquids
Aug 7, 2021 · Examples include air and water. A fluid is a material that flows or continuously deforms under a shear (tangential stress). In other words, a fluid has zero shear modulus. Liquids, gases, and plasma are fluids. However, some solids behave as fluids as well. For example, pitch is a solid with a high viscosity that (very) slow flows.
Examples: shampoo and motor oil. Fluids with comparatively less thickness or viscosity are known as non-viscous fluids. These are the fluids with no resistance or negligible resistance to internal friction. Non-viscous fluids flow without any loss of kinetic energy.
The pressure exerted by a vapor in dynamic equilibrium with a liquid is the equilibrium vapor pressure of the liquid. If a liquid is in an open container, however, most of the molecules that escape into the vapor phase will not collide with the surface of the liquid and return to the liquid phase.
Because of the unbalanced molecular attractions on the surface molecules, liquids contract to form a shape that minimizes the number of molecules on the surface—that is, the shape with the minimum surface area.
Feb 26, 2024 · Flowing Flexibility: Liquids flow instead of staying rigid, a property known as fluidity. The speed at which liquids flow varies based on the strength of their intermolecular forces. For example, water flows more easily than denser substances like honey.
Explain the origin of both surface tension and capillary action. There are some properties that all liquids, including water, have. All liquids have a certain portion of particles with enough energy to enter the gas phase, and if these particles are at the surface of the liquid, they do so (Figure 10.4.1 10.4. 1 ).
