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The reactivity of a functional group can be modified by other functional groups nearby. Functional group interconversion can be used in retrosynthetic analysis to plan organic synthesis. A functional group is a group of atoms in a molecule with distinctive chemical properties, regardless of the other atoms in the molecule. The atoms in a ...
In The Hobbit: The Desolation of Smaug, Radagast appears with Gandalf in a few scenes. The two wizards investigate an empty tomb, determining that the Nazgûl are once again awake and have been summoned. Gandalf bids Radagast to go and tell Galadriel of all they find, and that the White Council must make a pre-emptive move on Dol Guldur. Inside ...
In statistical thermodynamics, the UNIFAC method (UNIQUAC Functional-group Activity Coefficients) [1] is a semi-empirical system for the prediction of non-electrolyte activity in non-ideal mixtures. UNIFAC uses the functional groups present on the molecules that make up the liquid mixture to calculate activity coefficients. By using ...
Gandalf is given several names and epithets in Tolkien's writings. Faramir calls him the Grey Pilgrim, and reports Gandalf as saying, "Many are my names in many countries. Mithrandir [a] among the Elves, Tharkûn to the Dwarves, Olórin I was in my youth in the West that is forgotten, in the South Incánus, in the North Gandalf; to the East I ...
An infrared spectroscopy correlation table (or table of infrared absorption frequencies) is a list of absorption peaks and frequencies, typically reported in wavenumber, for common types of molecular bonds and functional groups.
In organic chemistry, functionality is often used as a synonym for functional group. For example, a hydroxyl group can also be called a HO-function. [1] [2] Functionalisation means the introduction of functional groups, for example the functionalisation of a surface [3] (e.g. silanization for the specific modification of the adhesion of a surface)
[T 4] Faramir displeases his father by welcoming the wizard Gandalf to Minas Tirith, Gondor's capital. Faramir, eager for knowledge, learns much from Gandalf about Gondor's history. [T 1] [T 5] Faramir looks much like Boromir, [T 1] [T 6] who is described as "a tall man with a fair and noble face, dark-haired and grey-eyed, proud and stern of ...
The Company of the Ring, also called the Fellowship of the Ring and the Nine Walkers, is a fictional group of nine representatives from the free peoples of Middle-earth: Elves, Dwarves, Men, and Hobbits; and a Wizard. The group is described in the first volume of The Lord of the Rings, itself titled The Fellowship of the Ring.