Co CO CO a tiny sample of solid carbon monoxide consisting of four molecules. When there is only one way of arranging the molecules so that all the molecules point in one direction, the entropy of the solid is o(sA tiny sample of solid carbon monoxide consisting of four A tiny sample of solid carbon monoxide consisting of four molecules. When there is only one way of arranging the molecules. When there is only one way of arranging the molecules so that all the molecules point in one direction, molecules so that all the molecules point in one direction, the entropy of the solid is 0 ( the entropy of the solid is 0 (S = 0). CO CO CO CO