Respuesta :
Water molecules at the surface of a drop are missing a few hydrogen bonds and are strongly pulled into the center of the drop, resulting in high surface tension. The absence of an alkyl chain means the molecules can move around each other easily, resulting in low viscosity.
What is Viscosity?
The resistance of a fluid to deformation at a specific rate is measured by its viscosity. It is equivalent to the informal term "thickness" for liquids; syrup has a higher viscosity than water, for instance. The internal frictional force between neighboring fluid layers that are moving relative to one another is measured by viscosity.
A viscous fluid, for instance, flows more swiftly near a tube's axis than it does near its walls when the fluid is driven through the tube. Experiments reveal that some stress is needed to sustain the flow because a force is necessary to overcome the friction between the layers of the fluid which are in relative motion. For a tube with a constant rate of flow, the strength of the compensatory force is proportional to the fluid's viscosity.
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