The CRC Handbook of Chemistry and Physics, 89th Edition continues to offer the most authoritative, up-to-date data to scientists around the world. This edition contain revisions, updates, and expansions as well as ten new tables of data on molecular structure, biochemistry, environmental issues, material properties, and more. Major revisions include newly approved fundamental physical constants, properties of fatty acids, bond dissociation energies, and molecular structures of free molecules. New tables include Energy Content of Fuels, Global Warming Potential of Greenhouse Gases, Weather-Related Scales, Index of Refraction of Gases, Molecular Internal Rotation, Atomic Radii of Elements, Composition and Properties of Various Natural Oils and Fats, Melting Curve of Mercury, Properties of Gas Clathrate Hydrates, Enthalpy of Hydration of Gases, and Properties of Graphite and Nanotubes.