Aballoon was filled to a volume of 2.60 l when the temperature was 30.0∘c. what would the volume become if the temperature dropped to 11.0∘c.

Two models of the same compound are shown. in what way is model b better than model a? model b shows the types of elements in the compound, but model a does not. model b shows the three-dimensional shape of the molecule, but model a does not. model b shows how the atoms in the molecule are connected, but model a does not. model b shows the number of atoms of each element in the molecule, but model a does not