This is the list of coastal counties that NOAA recommends for the Bureau of the Censusâ. Statistical Abstract publication series. There are 672 coastal counties including the District of Columbia in the United States. (285 in the Atlantic, 142 in the Gulf of Mexico, 87 in the Pacific, and 158 in the Great. Lakes).
Benzene is a natural constituent of crude oil, and is one of the most elementary petrochemicals. Benzene is an aromatic hydrocarbon and the second [ n ]- annulene ([6]-annulene), a cyclic hydrocarbon with a continuous pi bond.It is sometimes abbreviated Ph âH. Benzene is a colorless and highly flammable liquid with a sweet smell.enzene is an aromatic hydrocarbon and the second [ n ]- annulene ([6]-annulene), a cyclic hydrocarbon with a continuous pi bond. It is sometimes abbreviated Ph âH. Benzene is a colorless and highly flammable liquid with a sweet smell.
the molecular formula of benzene is C6H6 the empirical formula of benzene is CH.