Respuesta :
The answer to the above-given question is shown below.
What is a cohesive force?
- The term "cohesive forces" refers to the collective intermolecular forces (e.g., hydrogen bonding and van der Waals forces) that are responsible for liquids' bulk resistance to separation.
- These attractive forces exist specifically between molecules of the same substance.
To find how the liquids behave when small, equal-sized drops of oil, water, and mercury lie on a waxed floor:
- The cohesive forces in water and mercury are stronger than the adhesive forces to the nonpolar wax on the floor.
- Weak adhesive forces result in spherical drops.
- The adhesive forces overcome the even weaker cohesive forces in the oil and so the oil drop spreads out.
Therefore, the answer to the above-given question is shown.
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