Arthritis means joint inflammation.. It causes pain and swelling in the body's joints, such as the knees or hips. There are many types of arthritis, but osteoarthritis is the most common. Also known as degenerative joint disease or age-related arthritis, osteoarthritis is more likely to develop as people get older.
Hydrogen cyanide (HCN), sometimes called prussic acid, is a chemical compound with the chemical formula HCN. It is a colorless, extremely poisonous and inflammable liquid that boils slightly above room temperature, at 25.6 Â°C (78.1 Â°F).
Ab initio LCAO-MO methods at the second- and fourth-order MÃ¸llerâPlesset levels and coupled cluster CCSD and CCSD(T) approximations have been applied to investigate a formation of a hydrogen bond by a methyl group in the ethaneâhydrogen cyanide complex.