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With a pK a of 12.34 for its conjugate acid in aqueous solution, 1,8-bis(dimethylamino)naphthalene is one of the strongest organic bases. However, it only absorbs protons slowly—hence the trade name. The high basicity is attributed to the relief of strain upon protonation and/or the strong interaction between the nitrogen lone pairs.
1/2 + 1/4 + 1/8 + 1/16 + ⋯. First six summands drawn as portions of a square. The geometric series on the real line. In mathematics, the infinite series 1 2 + 1 4 + 1 8 + 1 16 + ··· is an elementary example of a geometric series that converges absolutely. The sum of the series is 1. In summation notation ...
Forge of Empires is a browser-based strategy game developed by InnoGames. It was first launched on closed beta on 29 March 2012. [1] [2] The game was initially released on 17 April 2012 (open beta phase). [3] In 2013, a television advertising campaign helped the game reach 10 million user registrations. [4]
State Park: 1893. National Historical Park: July 4, 1976. Valley Forge National Historical Park is the site of the third winter encampment of the Continental Army during the American Revolutionary War from December 19, 1777 to June 19, 1778. The National Park Service preserves the site and interprets the history of the Valley Forge encampment.
Mário Alberto Nobre Lopes Soares GColTE, GCC, GColL (Portuguese: [ˈmaɾiu suˈaɾɨʃ]; 7 December 1924 – 7 January 2017) was a Portuguese politician, who served as prime minister of Portugal from 1976 to 1978 and from 1983 to 1985, and subsequently as the 17th president of Portugal from 1986 to 1996.
Sound Forge (formerly known as Sonic Foundry Sound Forge, [3] and later as Sony Sound Forge [4]) is a digital audio editing suite by Magix Software GmbH, which is aimed at the professional and semi-professional markets. There are two versions of Sound Forge: Sound Forge Pro 12 released in April 2018 [5] and Sound Forge Audio Studio 13 (formerly ...
AMG logo on a Mercedes E 63 AMG (W212) AMG was founded as a racing engine forge in 1967 under the name AMG Motorenbau- und Entwicklungsgesellschaft mbH (German for 'AMG Engine Production and Development Limited') by former Mercedes-Benz engineers Hans Werner Aufrecht and Erhard Melcher in Burgstall an der Murr, near Stuttgart.
Valley Forge, Pennsylvania, U.S. 40°05′49″N 75°26′21″W. / 40.096944°N 75.439167°W / 40.096944; -75.439167. Valley Forge was the winter encampment of the Continental Army, under the command of George Washington, during the American Revolutionary War. The Valley Forge encampment lasted six months, from December 19, 1777, to ...