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Thomas Edison State UniversityGeneral Chemistry II with Labs (CHE-122)Section no.:Semester and year: Spring 2019Written Assignment 10: ElectrochemistryAnswer all assigned questions and problems, and show all work. 1.Balance the following redox equations by the ion-electron method: (25 points)a.H2O2+ Fe+2→ Fe+3+ H2O (in acidic solution)2Fe+2+ H2O2+ 2H+→ 2Fe+3+ 2H2b.Cu + HNO3→ Cu+2 + NO + H2O (in acidic solution)3Cu + 2HNO36H+→ 3Cu+2 + 2NO + c.CN–+ MnO–→ CNO–+ MnO2(in basic solution)3CN–+ 2MnO4H2O→ 3CNO–+ 2MnO2+ 2OH- d.Br2→ BrO–+ Br–(in basic solution)3Br2 +2OH-→ BrO3+ 5Br–+ 2He.S2O3–2+ I2→ I–+ S4O62–(in acidic solution)2O3–2+ I2→ 2 I–+ S4O6(Reference: Chang 18.1)2.Calculate the standard emf of a cell that uses the Mg/Mg+2and Cu/Cu+2half-cell reactions at 25ºC. Write the equation for the cell reaction that occurs under standard-state conditions. (10 points)O4H2O 432O2S2–