Property of a fluid by which its own molecules are attracted is called...
Cohesion: The Property of a Fluid
Definition:
Cohesion is the property of a fluid by which its own molecules are attracted to each other. It is the force that holds the molecules of a fluid together.
Explanation:
Cohesion is an essential property of fluids, including liquids and gases. It is caused by intermolecular forces, specifically the cohesive forces between the molecules of the fluid. These forces can be a result of various interactions, such as hydrogen bonding, dipole-dipole interactions, or van der Waals forces.
Importance of Cohesion:
Cohesion plays a crucial role in determining the behavior and characteristics of fluids. It affects several properties of fluids, including surface tension, capillary action, and viscosity.
Surface Tension:
Cohesion gives rise to surface tension, which is the property of a liquid that enables it to resist external forces and minimize its surface area. Surface tension is responsible for the formation of droplets, the ability of certain insects to walk on water, and the capillary rise of liquids in narrow tubes.
Capillary Action:
Capillary action is the ability of a liquid to flow against gravity in a narrow tube or porous material. Cohesion is one of the primary factors influencing capillary action. When the cohesive forces between the liquid molecules are stronger than the adhesive forces between the liquid and the tube or material, capillary action occurs.
Viscosity:
Cohesion also affects the viscosity of a fluid. Viscosity is a measure of a fluid's resistance to flow. In fluids with strong cohesive forces, the molecules tend to resist flowing past each other, resulting in higher viscosity. On the other hand, fluids with weak cohesive forces have lower viscosity.
Conclusion:
Cohesion is a fundamental property of fluids that arises from the attractive forces between the molecules of the fluid. It influences various characteristics and behaviors of fluids, including surface tension, capillary action, and viscosity. Understanding cohesion is crucial in various fields, such as fluid mechanics, materials science, and biology.
Property of a fluid by which its own molecules are attracted is called...
Attractive Force between same molecular is cohesion
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