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The attractions between particles in a fluid affect its viscosity by influencing the ease with which the particles can slide past each other. Stronger attractions result in higher viscosity as they hinder the movement of particles, while weaker attractions allow for easier flow and lower viscosity. Additionally, the size and shape of the particles can also play a role in determining viscosity.
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What is viscosity means in terms of the particle theory?
Viscosity refers to a fluid's resistance to flow. In terms of particle theory, viscosity is related to the friction between particles as they attempt to slide past one another. A higher viscosity indicates stronger intermolecular forces and thus a thicker, less easily flowing fluid.
What is the difference between fluidity and viscosity?
Fluidity refers to how easily a substance flows, while viscosity refers to a substance's resistance to flow. Fluidity describes how freely a substance moves, whereas viscosity describes how thick or sticky a substance is. Materials with low viscosity flow easily, while those with high viscosity resist flow.
What happens to a fluids viscosity when it is heated?
When a fluid is heated, its viscosity typically decreases. This is because heating causes the molecules in the fluid to move more freely and rapidly, which reduces the internal friction between the molecules and leads to a lower viscosity.
How does Distance between particles attract?
Particles attract each other due to intermolecular forces, such as van der Waals forces or hydrogen bonding. The distance between particles affects the strength of these attractive forces, where shorter distances result in stronger attractions. This attraction brings the particles closer together, leading to a decrease in the overall potential energy of the system.
The friction between moving molecules in a liquid is called?
The friction between moving molecules in a liquid is called viscosity. Viscosity is a measure of a fluid's resistance to flow, with higher viscosity fluids being more resistant to flow than lower viscosity fluids.
