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Tris(acetonitrile)cyclopentadienylruthenium hexafluorophosphate is an organoruthenium compound with the formula [(C 5 H 5)Ru(NCCH 3) 3]PF 6, abbreviated [CpRu(NCMe) 3]PF 6. It is a yellow-brown solid that is soluble in polar organic solvents. The compound is a salt consisting of the hexafluorophosphate anion and the cation [CpRu(NCMe) 3] +.
Chloromethane, also called methyl chloride, Refrigerant-40, R-40 or HCC 40, is an organic compound with the chemical formula CH 3 Cl.One of the haloalkanes, it is a colorless, sweet-smelling, flammable gas.
Chloroform, [10] or trichloromethane (often abbreviated as TCM), is an organochloride with the formula C H Cl 3 and a common solvent.It is a volatile, colorless, sweet-smelling, dense liquid produced on a large scale as a precursor to refrigerants and PTFE. [11]
CHCl 3: trichloromethane 67-66-3 chloroform: R-20, methyl trichloride CHBrCl 2: bromodichloromethane 75-27-4 bromodichloromethane: dichlorobromomethane, BDCM CHBr 2 Cl dibromochloromethane 124-48-1 dibromochloromethane: chlorodibromomethane, CDBM CHBr 3: tribromomethane 75-25-2 bromoform: methyl tribromide CHI 3: triiodomethane 75-47-8 iodoform ...
Convex hull (red) of a polygon (yellow). The usual set closure from topology is a closure operator. Other examples include the linear span of a subset of a vector space, the convex hull or affine hull of a subset of a vector space or the lower semicontinuous hull ¯ of a function : {}, where is e.g. a normed space, defined implicitly (¯) = ¯, where is the epigraph of a function .
Cl 3 CCHO + 2 C 6 H 5 Cl → Cl 3 CCH(C 6 H 4 Cl) 2 + H 2 O. This reaction was described by Othmar Zeidler in 1874. [5] The related herbicide methoxychlor is also produced from chloral. Treating chloral with sodium hydroxide gives chloroform Cl 3 CH and sodium formate HCOONa. Cl 3 CCHO + NaOH → Cl 3 CH + HCOONa
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In mathematics, specifically set theory, the continuum hypothesis (abbreviated CH) is a hypothesis about the possible sizes of infinite sets. It states: It states: There is no set whose cardinality is strictly between that of the integers and the real numbers .