Chapter Four Outline - Chapter Four Outline The Role of...

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Chapter Four Outline The Role of Water as a Solvent o Polar nature of water o Water has a remarkable power as a solvent Distribution of the bonding electrons Overall shape Polar molecule Partially negative/partially positive o Ionic compounds in water Water separates the ions by replacing that attrction with one between the water molecules and the ions Solvated Ions spate and are surrounded tightly by solvent molecules Electrolyte-substance that conducts when dissolved in water Nonelectrolytes- solutions that do not conduct an electric current-acids Writing Equations for Aqueous Ionic Reactions o Molecular equation-reveals the least about the species in solution o Total ionic equation-much more accurate because it shows all the soluble ionic substances disassociated into ions o Spectator ions-they are not involved in the actual chemical change o Net ionic equation-most useful because it omits the spectator ions and shows the actual chemical change taking place Precipitation Reactions
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o Precipitation reactions-two soluble ionic compounds react to form an insoluble product, or a Precipitate o Predicting whether they will form Note the ions present in the reactants
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This note was uploaded on 11/02/2010 for the course CHEMISTRY Chemistry taught by Professor Jensen during the Spring '10 term at University of Cincinnati.

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Chapter Four Outline - Chapter Four Outline The Role of...

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