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Question 5 0.25 pts The standard reduction potentials for Nift and Ag* are -0.280 V and +0.799 V, respectively. Calculate Excel for a voltaic cell in which the overall reaction is: Ni(s) + 2Ag* (aq) - Ni~+(aq) + 2Ag(s) O -1.079 V O +1.079 V O -0.519 V O +0.519 V O -1.878 V O +1.878 V Question 6 0.25 pts In the cathode compartment of a voltaic cell, occurs and from the salt bridge flow into the cathode compartment to neutralize charge. O oxidation; cations O oxidation; anions O oxidation; electrons O reduction; cations O reduction; anions