(a) If a 490 mL ordinary glass beaker is filled to the brim with ethyl alcohol at a temperature of 5.40°C, how much (in mL) will overflow when their temperature reaches 22.0°C?   (b) How much less water would overflow under the same conditions?

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Diatomic Gas

Molecule, is a collection of two or more atoms together (which constitute the smallest observable unit) into a pure material. There are some ways to represent the structure of a molecule. Factor symbols represent atoms in Lewis structures, and dots represent electrons that accompany them. A pair of mutual electrons (covalent bond) may be represented by a single dash. The ball-and-stick model depicts the spatial structure of the atoms better.