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The game consists of a deck of 121 cards. [1] Each card depicts a chemical as "monster-themed caricature". [2] A card is one of three types: [1] A further expansion, Elementeo Chemistry Card Game: Legacy Edition, released in 2023, introduces advanced gameplay mechanics, additional element cards like terbium and ytterbium, and expanded alchemy options.
The similarity-based [4] virtual screening (a kind of ligand-based virtual screening) assumes that all compounds in a database that are similar to a query compound have similar biological activity. Although this hypothesis is not always valid, [ 5 ] quite often the set of retrieved compounds is considerably enriched with actives. [ 6 ]
SpaceChem received a free update in late April 2011, which added several new features to the game as well as new puzzles. The patch included support for the ResearchNet puzzle creation and sharing system, and for the Steam-enabled version, support for achievements and leaderboards specific for Steam friends.
For example, when barium chloride (BaCl 2) and magnesium sulfate (MgSO 4) react, the SO 4 2− anion switches places with the 2Cl − anion, giving the compounds BaSO 4 and MgCl 2. Another example of a double displacement reaction is the reaction of lead(II) nitrate with potassium iodide to form lead(II) iodide and potassium nitrate : Pb ( NO 3 ...
The most common one in nature (myo-inositol) has the hydroxyls on carbons 1, 2, 3 and 5 on the same side of that plane, and can therefore be called cis-1,2,3,5-trans-4,6-cyclohexanehexol. And each of these cis - trans isomers can possibly have stable "chair" or "boat" conformations (although the barriers between these are significantly lower ...
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Mg 2+ Disodium phosphate is a very selective reagent for magnesium ions and, in the presence of ammonium salts and ammonia, forms a white precipitate of ammonium magnesium phosphate. Mg 2+ + NH 3 + Na 2 HPO 4 → (NH 4)MgPO 4 + 2Na + Ca 2+ Ca 2+ forms a white precipitate with ammonium oxalate. Calcium oxalate is insoluble in water, but is ...
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