This article reports calculations that probe the role of R (hydrocarbon) and R' (ligand substituent) effects on the reaction coordinate for C-H activation.
Article recounting a visit to sites related to Baron Carl Auer von Welsbach, discoverer of lutetium and ytterbium and inventor of the incandescent "Welsbach mantle." Maps and tourist information are provided regarding the Welsbach Museum in Treibach, Austria.
Article describing the discovery of the element gallium. The authors travel to sites pertinent to the history of gallium, including the home and laboratory of its discoverer and the location from which it was procured.
Article recounting a visit to sites related to the discovery of phosphorescent stone (barium sulfide) in Bologna, Italy. Maps with driving directions are included.
Article describing the history of the element strontium from its discovery in Strontian, Scotland, to its early uses in English medicine. Maps with directions and photographs of pertinent locations are included.
Article on the solubility of crystalline nonelectrolyte solutes in organic solvents and the mathematical correlation of benzil solubilities with the Abraham general solvation model.
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