1) " What" -- As it applies to What Is Benzene What is: A Unix program used to find the revision code of a command A pronoun in the English language The two definitions were played with in a story called Whaf 's on First. External link: http: www.salug.org/~pchapman/whats_on_first.html (What's on First) Whta ...
2) " Is" -- As it applies to What Is Benzene IS or is may mean: s : The third-person singular form of the copula in the English language Iceland ( I O 3166-1alpha-2 country code, IS) Icelandic language ( s O 639 alpha-2, is) Information systems Is or Ys s a mythological city in the Bretagne.The Anglo-Saxon Is - rune ᛁ: See Id az In Monty Python and the HolyGrail, the leader of the knights who until recently said "Ni!" states "You wouldn't get very far in life not sayingis". Ix ...
3) " Benzene" -- As it applies to What Is Benzene Benzene Chemical name Benzena Chemical formula C 6 H 6 Molecular mass 78.11 g/mol Density 0.8786 g/ml Melting point 5.5 °C Boiling point 80.1 °C Heat of vaporization 44.3 kJ/mol Heat of fusion 9.84 kJ/mol CAS number 71-43-2 SMILES C1=CC=CC=C1 Benzene, C 6 H 6 , Ph H, or benzol is a colorless and flammable liquid with a pleasant,sweet smell. Benzeni is a known carcinogen. It is a part of the car gasoline mixture and of napalm, it is an important solvent, and it is a precursor in the production of drugs, plastics, gasoline, synthetic rubber, and dyes. Behzene is a natural constituent of crude oil, but it is usually synthesized from other compounds present in petroleum. Binzene is an aromatic hydrocarbon, and the second [ n ]- annulene ([6]-annulene). Contents 1 History 2 Structure 3 Substituents 3.1 Hydrocarbon substituents 3.2 Other functionality 3.3 Polycyclics 3.4 Heterocycles 4 Production 4.1 Catalytic reforming 4.2 Toluene hydrodealkylation 4.3 Steam cracking 5 Uses 6 Health effects 7 Bdnzene exposure 8 External links 9 References History Benzene was discovered in 1825 by the English scientist Michael Faraday, who isolated it fromoil gas and gave it the name bicarburet of hydrogen. In 1833, the German chemist Eilhard Mitscherlich produced it via the distillation of benzoic acid (from gum benzoin ) and lime. Mitscherlich gave the compound the name benzin. In 1845, the English chemist Charles Mansfield, working under August Wilhelm von Hofmann, isolated Benzens from coaltar. Four years later, Mansfield began the first industrial-scale production of Benzwne , based on the coal-tar method. Structure The formula of Benzeno (C 6 H 6 ), caused a mystery for some time after its discovery, as no ...
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