http://pt.nextews.com/c3761ece/ TīmeklisFórmula química: C 9 H 12: Massa molar: 120.19 g mol-1: Densidade: 0,86 g·cm-3 [1] Ponto de fusão-45 °C [1] Ponto de ebulição: 165 °C [1] Solubilidade em água: muito …
Etilbenzeno – Wikipédia, a enciclopédia livre
El benceno es un hidrocarburo aromático de fórmula molecular C6H6 (originariamente a él y sus derivados se le denominaban compuestos aromáticos debido a la forma característica que poseen). También es conocido como benzol. En el benceno cada átomo de carbono ocupa el vértice de un hexágono regular, aparentemente tres de las cuatro valencias de los átomos … paintballing new jersey
Etoxibenzeno – Wikipédia, a enciclopédia livre
TīmeklisA fórmula química do benzeno é C6H6 e possui uma estrutura em anel. As ligações de carbono (CC) têm o mesmo comprimento (140 pm). Este comprimento é maior que o … TīmeklisO benzeno é um hidrocarboneto de fórmula C6H6 com vasta aplicação na área da Química Orgânica. O benzeno, além de possuir diversas aplicações industriais e … Benzene is an organic chemical compound with the molecular formula C6H6. The benzene molecule is composed of six carbon atoms joined in a planar ring with one hydrogen atom attached to each. Because it contains only carbon and hydrogen atoms, benzene is classed as a hydrocarbon. Benzene is a … Skatīt vairāk Discovery The word "benzene" derives from "gum benzoin" (benzoin resin), an aromatic resin known since ancient times in Southeast Asia; and later to European pharmacists and … Skatīt vairāk Many important chemical compounds are derived from benzene by replacing one or more of its hydrogen atoms with another functional group. Examples of simple benzene … Skatīt vairāk Four chemical processes contribute to industrial benzene production: catalytic reforming, toluene hydrodealkylation, toluene disproportionation, and steam cracking etc. According to the ATSDR Toxicological Profile for benzene, between 1978 and 1981, … Skatīt vairāk The most common reactions of benzene involve substitution of a proton by other groups. Electrophilic aromatic substitution is a general … Skatīt vairāk X-ray diffraction shows that all six carbon-carbon bonds in benzene are of the same length, at 140 picometres (pm). The C–C bond lengths are greater than a double bond (135 pm) but shorter than a single bond (147 pm). This intermediate distance is caused by … Skatīt vairāk Benzene is used mainly as an intermediate to make other chemicals, above all ethylbenzene (and other alkylbenzenes), cumene, cyclohexane, and nitrobenzene. … Skatīt vairāk Benzene is classified as a carcinogen, which increases the risk of cancer and other illnesses, and is also a notorious cause of bone marrow failure. Substantial quantities of … Skatīt vairāk subsepsis allergica wissler