Initially the volume of a gas is 0.5m3 and the pressure is 30000Pa.  If the gas is then isovolumetrically pressurized so that P2=2.5P1, what is the new volume of the gas?   a) 0.25m3  b) 0.15m3  c) 0.5m3   d) 3m3   e) 2.5m3

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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.