You have a container that can change volumes to keep pressure fixed at 45 lb/in2.  The container hold a fixed number of gas molecules (1 mole)  When the temperature of the gas is the container is 20 oC, the volume of the container is 1.7 liters.  When the temperature is increased to 45 oC, what is the volume of the container?

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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.