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General reaction scheme for the S N 1 reaction. The leaving group is denoted "X", and the nucleophile is denoted "Nu–H". The unimolecular nucleophilic substitution (S N 1) reaction is a substitution reaction in organic chemistry.
Enciclopedia Libre Universal en Español (English: Universal Free Encyclopedia in Spanish) was a Spanish-language wiki-based online encyclopedia that started as a fork of the Spanish Wikipedia, released under the Creative Commons Attribution-ShareAlike License 3.0 and using the same MediaWiki software.
This page was last edited on 7 June 2003, at 16:41 (UTC).; Text is available under the Creative Commons Attribution-ShareAlike 4.0 License; additional terms may apply ...
The Spanish Wikipedia (Spanish: Wikipedia en español) is the Spanish-language edition of Wikipedia, a free online encyclopedia. It has 2,005,553 articles. It has 2,005,553 articles. Started in May 2001, it reached 100,000 articles on 8 March 2006, and 1,000,000 articles on 16 May 2013.
102 volumes of the encyclopedia. 3 volumes of the encyclopedia. The Enciclopedia universal ilustrada europeo-americana (also called Enciclopedia Espasa, or Enciclopedia Espasa-Calpe, after its publisher, founded by José Espasa Anguera) is a Spanish encyclopedia.
"The Book of Sand" (Spanish: El libro de arena) is a 1975 short story by Argentine writer Jorge Luis Borges about the discovery of a book with infinite pages. It has parallels to the same author's 1949 story " The Zahir " (revised in 1974), continuing the theme of self-reference and attempting to abandon the terribly infinite, and to his 1941 ...
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The Guadalajara International Book Fair, better known as the FIL (from its Spanish name: Feria Internacional del Libro de Guadalajara) is the largest book fair in the Americas, and second-largest book fair in the world after Frankfurt's. It is also considered the most important cultural annual event of its kind in the Spanish-speaking world. [1]