Question

Based on the shapes of the water drops in part D, how does the attractive force between water and wax compare to the attractive force between water and glass?

Answer 1

Because the cohesive forces inside the droplets are stronger than the adhesive forces between both the drops and the wax, water does not penetrate waxed surfaces. Because the adhesive forces between the liquid and the glass are stronger than the cohesive forces inside the water, water wets glass and spreads out across it.

Step-by-step explanation:

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