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Europa Universalis III is a grand strategy video game developed by Paradox Development Studio and published by Paradox Interactive. The game was released for Microsoft Windows in January 2007, and was later ported to Mac OS X by Virtual Programming in November 2007.
Europium(III) sulfate, Eu 2 (SO 4) 3 Europium(III) sulfate fluorescing red under ultraviolet light. Europium compounds tend to exist in a trivalent oxidation state under most conditions. Commonly these compounds feature Eu(III) bound by 6–9 oxygenic ligands. The Eu(III) sulfates, nitrates and chlorides are soluble in water or polar organic ...
The EU three, also known as EU big three, EU triumvirate, EU trio or simply E3, refers to France, Germany and Italy, a group that consists of the three large founding members of the European Union. [1] [2] [3] It had also been used to refer to the grouping of France, Germany, and the United Kingdom, especially during the negotiations with Iran ...
2 Eu 2 O 3 + 2 EuOCl + 2 LiH → 2 Eu 3 O 4 + 2 LiCl + H 2 ↑. Europium(III) oxide is the most stable oxide of europium, a light pink solid with a high melting point, which can be obtained by the thermal decomposition of europium(III) nitrate. [13] It reacts with water to give EuOOH. [15]
Europium metal reacts directly with iodine to form europium(III) iodide: [5] 2 Eu + 3 I 2 → 2 EuI 3. Hydrated europium(III) iodide can be prepared dissolving europium(III) oxide or europium(III) carbonate in hydroiodic acid: [1] [6] Eu 2 O 3 + 6 HI + 6 H 2 O → 2 EuI 3 ·9H 2 O. Europium powder reacts with iodine in THF to form a THF adduct ...
Europium(III) nitrate hexahydrate under fluorescent lamp (left) and UV light (right). Europium(III) nitrate is an inorganic compound with the formula Eu(NO 3) 3 ·x(H 2 O). The hexahydrate is a common salt. It forms colorless hygroscopic crystals.
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EU three, either France, Germany and Italy (largest countries at the founding of the European Union), or France, Germany and the UK (current largest economies in Europe) Euro 3, an emission standard for vehicles; Europa Universalis III, a computer game by Paradox Interactive