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Lecture_Notes_091809a

Lecture_Notes_091809a - Lecture Note

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Writing Chemical Equations for Solutions y Molecular Equation – all reactants and products listed as molecules y Complete Ionic Equation – all ionic reactants and products separated into ions y Net Ionic Equation – ions and molecules that are the same on both sides of the equation are removed
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Has a reaction occurred? y For a reaction to occur something has to happen 1. Form an insoluble salt 2. Form a gaseous product that escapes 3. Form a weak or non-electrolyte 4. An oxidation-reduction occurs with a transfer of electrons
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Types of Reactions y Precipitation Reaction – form an insoluble solid y Acid-Base Reaction – one substance donates a proton and one substance accepts a proton y Gas Evolution Reaction – gaseous product forms and escapes y Oxidation-Reduction Reaction – a transfer of electrons from one element or ion to another
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Solubility Rules
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Precipitation Reaction
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Precipitation Reaction
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Predicting Product y FeSO 4 (aq) + KCl (aq) y Al(NO 3 ) 3 (aq) + Ba(OH) 2 (aq)
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Predicting Products y CaCl 2 (aq) + Na 2 SO 4 (aq) y Na 3 PO 4 (aq) + Ca(NO 3 ) 2 (aq)
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