Chem Lab Lecture5

Chem Lab Lecture5 - (aq) + Reduction: Ag + (aq) + Ag(s)...

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Chem 1045 Precipitation Reactions 1 of 7 Reactions in Aqueous Solution We will examine two types of reactions that occur in aqueous solution: Part A Precipitation Reactions: Example: KOH(aq) + FeCl 3 (aq) When an ionic compound dissolves in water: An insoluble compound:
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Chem 1045 Precipitation Reactions 2 of 7 Total or complete ionic equation: Spectator ions: Net ionic equation: Solubility rules: (See page 227)
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Chem 1045 Precipitation Reactions 3 of 7 Ba(NO 3 ) 2 Pb(NO 3 ) 2 Co(NO 3 ) 2 Ni(NO 3 ) 2 NH 4 NO 3 AgNO 3 NaCl Na 2 SO 4 Na 3 PO 4 NaOH KI Na 2 CO 3
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Chem 1045 Precipitation Reactions 4 of 7 Notes:
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Chem 1045 Precipitation Reactions 5 of 7 Part B. Oxidation-Reduction Reactions (Redox reactions) Oxidation: Cu(s) Cu 2+
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Unformatted text preview: (aq) + Reduction: Ag + (aq) + Ag(s) Redox reaction: Chem 1045 Precipitation Reactions 6 of 7 We keep track of the electron loss/gain by using oxidation numbers: See page 228 for rules for assigning oxidation numbers. Three types of oxidation-reduction reactions: Part B1: Combination reactions: Part B2: Decomposition reactions: PartB3. Single-Replacement reactions: Chem 1045 Precipitation Reactions 7 of 7 Experimental Note: The MgO product from Part B1 and steel wool from Part B3 must be placed in the waste container labeled HAZARDOUS WASTE FOR SOLIDS. Do NOT place solid waste in the liquid waste container. Do NOT place liquid in the solid waste container....
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This note was uploaded on 03/19/2008 for the course CHEM 1045 taught by Professor Pgamateis during the Spring '08 term at Virginia Tech.

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Chem Lab Lecture5 - (aq) + Reduction: Ag + (aq) + Ag(s)...

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