Question

A solid is cooled to a very low temperature. Assuming the mass remains constant, how, if at all, does this affect the density of the solid?

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Answer 1

when a solid is cooled, its molecules slow down n vibrate less. usually its volume will decrease. as the mass remains constant and density = mass/volume, density will decrease.

Answer 2

it is making a new form so the density would be the same because water becoming into ice a solid are the same thing.