chapter4-PEX - Chapter 4 Reactions in Aqueous Solutions Dr....

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Chapter 4 – Reactions in Aqueous Solutions Dr. Pahlavan 1.   Specify how each of the following strong electrolytes ionizes or dissociates into ions upon       dissolving in water.       a) KNO 3          b) FeSO 4    c) (NH 4 ) 2 CO 3 d) NaHCO 3 2.   Using solubility table, predict whether each of the following compounds is soluble or        insoluble in water:       a) NaCN b) SrCO 3    c) Pb(C 2 H 3 O 2 ) 2 d) Ag 2 S 3)   Write balance complete molecular equation, ionic equation, and net ionic equations for the        reactions that occur when each of the following solutions are mixed. Identify the spectator         ion or ions in each reaction:        a) Pb(NO 3 ) 2  and Na 2 S        b) AgNO 3  and KI        c) Na 2 CO 3  and HCl 4)   Classify each of the following as strong or weak acid or base:        a) HClO 4 b) LiOH  c) NH 3  as NH 4 OH    d) HCN 5)   Determine the oxidation number for the indicated elements in each of the following         substances:        a) Br in HBrO 2 b) C in C 2 O 4 2-        c) C in COCl 2 d) P in H 2 PO 4 - 6)   Which element is oxidized (Reducing agent), and which is reduced (Oxidizing agent) in the         following reactions?        a)    Cl 2        +   2NaBr          2NaCl   +   Br 2 1
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       b)    Zn       +     Cl 2               Zn Cl 2        c) Fe 2 O 3      +   3CO             2Fe      +    3CO 2 7)   Using activity series table, what is the outcome of each of the following reactions? If no        reaction occurs, simply write NR.        a) Ag     +     Pb(NO 3 ) 2               b) Zn     +     AgNO 3                  c) H 2      +      CuO                     d) Br 2     +      NaF                     f) Co      +      HCl               8)   Calculate the following quantities:        a) Molarity of a solution that contains 0.0225 mol Na
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This note was uploaded on 02/28/2012 for the course CSCE 3510 taught by Professor Unt during the Spring '12 term at North Texas.

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chapter4-PEX - Chapter 4 Reactions in Aqueous Solutions Dr....

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