Half equations

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Intros
Lessons
  1. Using half-equations
  2. Balancing half equations: Example 1.
  3. Balance half equations in basic conditions: Example1.
  4. Balance half equations in basic conditions: Example 2.
  5. Combining half equations.
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Examples
Lessons
  1. Balance the half-equations in the conditions stated.
    Balance the half-equations below for the given conditions.
    1. SO42- \, \, S2- using acidic conditions.
    2. Cr2O72- \, \, Cr3+ using basic conditions.
    3. NO3- \, \, NH4+ using acidic conditions.
    4. CrO42- \, \, Cr3+ using basic conditions
    5. S2O32- \, \, SO42- using acidic conditions.