Task 1 Water and Oil.pdf - Water and Oil: Drop Shapes The...

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Water and Oil: Drop ShapesThe strength of the forces between molecules of a substance affects the substance’s macroscopicproperties. In this task, you’ll examine the shapes of drops of oil and water to learn about theforces that hold the molecules together in these two compounds.Estimated time to complete: 20 minutes You’ll need these materials:watercooking oilwaxed paperan at glass surface (for example, a mirror, glass baking dish, or glass coffee table) pipette (mayalso use an eyedropper)Question 1 Part ATear o a small, sheet of waxed paper. Use the pipette to dispense a drop of water on the waxedpaper. Now, dry the pipette, and use it to dispense a drop of oil on the waxed paper next to thewater drop. Be sure the two drops are not touching. Compare and describe the appearance ofboth drops.
Part BThe shapes of the drops relate to the attractive forces between molecules in a compound. Based

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Term
Spring
Professor
ChristineM.Smith
Tags
Atom, Electric charge, Van der Waals

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