Answers to practice for Quiz 8
  1. +3
  2. +4
  3. -2
  4. +1
  5. +6
  6. Ni(OH)2(s) + Cu2O(s) —> 2 Cu (s) + NiO2(s) + H2O (l) it has a hydroxide, so it is "in a basic solution"
  7. 2H2O2(aq) + ClO4- (aq) —> 2 O2 (g) + ClO2-(aq) + 2H2O(l)
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