(7) Given: Half cell reaction E° (V) 0.40 + 0.80 Cd2(aq) + 2 e* ---> Cd(s) > ) Ag (aq) + e ---> Ag(s) Cr(ag) + 3 e --> C

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7 Given Half Cell Reaction E V 0 40 0 80 Cd2 Aq 2 E Cd S Ag Aq E Ag S Cr Ag 3 E C 1 (73.91 KiB) Viewed 49 times

(7) Given: Half cell reaction E° (V) 0.40 + 0.80 Cd2(aq) + 2 e* ---> Cd(s) > ) Ag (aq) + e ---> Ag(s) Cr(ag) + 3 e --> Cr(s) Mg+2 (aq) + 2 e ---> Mg(s) 0.74 2.37 (a) Select two of the above half-cell reactions to build a voltaic cell that would have the maximum cell potential. Write the overall reaction equation and calculate the overall standard cell potential. (b) Draw a detailed cell diagram and indicate which electrode is anode and which is cathode, and indicate the (-) electrode and the (+) electrode. Indicate the direction of the flowing of electrons.