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World of Warcraft: Cataclysm is the third expansion set for the massively multiplayer online role-playing game (MMORPG) World of Warcraft, following Wrath of the Lich King. It was officially announced at BlizzCon on August 21, 2009, although dataminers and researchers discovered details before it was announced by Blizzard. [ 2 ]
Proton sponge, 1,8-bis(dimethylamino)naphthalene, has a pK a value of 12.1. It is one of the strongest amine bases known. The high basicity is attributed to the relief of strain upon protonation and strong internal hydrogen bonding. [55] [56] Effects of the solvent and solvation should be mentioned also in this section.
On October 15, 2008, Patch 3.0.2, titled 'Wrath of the Lich King', was released to pave the way for the upcoming expansion, bringing many of the expansion's updated systems to the game pre-release. [19] Several new features were added including an all new class called the Death Knight. Classes received new spells and abilities.