camm3492 camm3492

17-12-2018
Chemistry

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When you were dropping the water onto the penny, why was the water not spilling off the penny?

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Thereallorraine Thereallorraine

17-12-2018

Because water molecules at the surface of the water puddle attract more to one other than they do to the air molecules above them, they cling together and form a dome shape on the coin. Surface tension prevents the water molecules from falling out and spilling. ... So the surface tension of each liquid is different

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