Water solubility and chemical bonding -- Alkanes -- Alkenes -- Aromatic hydrocarbons -- Haolgenated hydrocarbons -- Alcohols -- Phenols -- Ethers and thioethers -- Aldehydes and ketones -- Amines -- Carboxylic acids -- Functional derivatives of carboxylic acids -- Sulfonic acids and sulfonamides -- Nitrogen functional groups -- Heterocycles -- Oligonucleotides and nucleic acids -- Proteins -- Predicting water solubility.