5. Consider the following half-reactions: F,(g) + 2 e Cu2*(aq) + 2 e Sn2*(aq) + 2 e → AР' (aq) + 3 e Na*(aq) + e → Na(s) Which of the above elements or ions will oxidize Sn(s)? a) Cu(s) and Al³*(aq) Cu²"(aq) d) Al(s) and Na(s) 2 F(aq) Cu(s) Sn(s) Al(s) E° = +2.87 V E° = +0.34 V 2+, E° = -0.14 V %3D E° = -1.66 V E° = -2.71 V b) F(aq) and Cu(s) c) F2(g) and 2+ e) Al³*(aq) and Na*(aq)

Part A Consider the following unbalanced redox reaction. MnO, (aq) + Zn (s) → Mn²+(ag) + Zn²+(ag) Balance the equation: a MnOq (ag) + BH (ag) + y Zn (s) → 8 Mn2 (ag) + € H2O(1) + K Zn² (ag) Give your answer as an ordered set of numbers a, B, y, .. Use the least possible integers for the coefficients. Templates Symbols uado redo reset keyboard shortcuts help, α, β, γ, δ, ε, κ Submit Request Answer Part B Determine the volume of a 0.560 mol L-'KMN04 solution required to completely react with 2.65 g of Zn. Templates Symbols undo redo reset keyboard shortcuts help, V = mL

41. Balance each of the following equations according to the half-reaction method: (a) MnO4 (aq) + NO2 (aq) →→MnO2 (s) + NO3(aq) (in base) (b) MnO2 (aq)MnO4 (aq) + MnO2(s) (in base) (c) Br2(l) + SO2(g) → Br¯(aq) + SO4² (aq) (in acid)

Write a balanced net ionic equation for a redox reaction that results in the formation of potassium chloride. (Assume that potassium chloride is not a starting material, and assume the reaction takes place in aqueous solution.) X, Не (aq), 2K(ag)+Cl, (aq) KCI(aq)