26. What occurs during the operation of a voltaic (galvanic) cell based on the reaction: Nis) + Pb2(aq) Ni?(aa) + Pb(s) a) b) c) d) electrons move from Ni to Pb; Pb move away from Pb electrons move from Ni to Pb; Pb * move toward Pb) electrons move from Pb to Ni; Ni-move away from Nis electrons move from Pb to Ni; Nia) move toward Nice 27. Agis) + NO3(aq) + Haq) Aga) + NO + H2O When the oxidation-reduction equation above is balanced, what is the coefficient for Heal? a) b) c) d) AWN 1 2 3 4 28. What is the reaction occurring at the cathode during the electrolysis of molten sodium chloride? a) Claq) + e - Cllo) b) 2 CW - Cla(g) + 2e c) Na (aq) + e Na(s) d) Na'(0) + e Na(s) - 29. How many grams of metallic nickel can be produced by the electrolysis of aqueous nickel() chloride with a 0.350 A current for 5.00 hours? a) 1.19 g b) 1.92 g c) 7.66 g d) 2.76 g e) 3.83 g 10 evod bluote Oy OY no bobode 7