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Balance the following redox reactions in a basic solution. a)  b)

Compare the corrosion of copper to the corrosion of iron.  You can discuss in terms of economic impact, properties of the products, requirements for the reactions to proceed and/or the oxidation/reduction that is taking place.

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The hydroxide ion concentration in a solution of household ammonia is 1.4 × 10-2 M at 25 °C. What is the concentration of H3O+ in the solution?  What is the pH?  What is the pOH?

Predict the molecular shape and the electron pair geometry for the following molecules, state the number of lone pairs and bonding pairs a) BF3 b) SiBr4 c) PCl5 d) SeH2

Why would network covalent solids melt at a higher temperature than ionic solids?

Describe what happens if you neutralize a strong base with a weak acid.  Is the resulting solution neutral, acidic, or basic, and why?             

Explain what each digit implies in the following orbital designation   a) 3px1 b) 4d2  

Find the standard cell potential for the following reactions and predict whether or not they are spontaneous. a) F2 + 2Cl- –> 2F- + Cl2 b) Hg2+ + 2I- –> I2 + Hg c) Cu2+ + 2Br- –> Br2 + Cu d) Ni + Sn2+ –> Sn + Ni2+    

For the following equation… HCl(aq) + NaOH(aq)  –>  NaCl(aq)  +  H2O(l)