CHEM 111 Lecture Notes - Lecture 11: Ionic Compound, Chemical Equation, Solvation
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21 Dec 2015
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Chem111 lecture 11 reactions and equilibrium iii. Solvation the disintegration of a solute in a solution. Hydration refers to water molecules being part of another compound. Electrolyte an ion that can conduct electricity in an aqueous solution. Some aqueous solutions conduct electricity by themselves (without solute) Net ionic equation (nie) equation that shows the actual reaction. Spectator ion an ion that appears in both the reactants and products side of the chemical equation. Solubility - not all ionic compounds are soluble, and it is not easy to predict: e. g. nacl (soluble), agcl (insoluble) Mgi2 + nano3 mg(no3) + nai (no precipitate forms) Can write nie for acid-base reactions: h+(aq) + oh-(aq) h2o. H3po + 3oh- po43- + 3h2o. Chemists called the addition of h+ protonation. Often between an ionic compound (metal salt) and an acid. Carbonates give carbon dioxide, sulfites give sulfur dioxide, but sulfates do not give trioxide. Again, we write the net ionic equations.
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