12 On Table J, the best reducing agent is and the best oxidizing agent is 13,14. Draw the electrochemical cell: Fe(s)/Fe*'(aq)/Ni"(aq)Ni(s). Write the half reactions and the balanced cell reaction, identify the direction of electron flow, the cathode, anode, the electrodes that gain and lose mass, the ions that are in cach solution, the positive and negative electrodes, and the sites of oxidation and reduction 15 A) B) HERRER B). Use the following choices for the next question: [E) electrochemical cell L) electrolytic cell B) both electrochemical and electrolytic cell N) neither electrochemical or electrolytic cell] A)....... spontaneous reaction B)......... metal is deposited on the cathode B) Use the following choices for the next question: [E) electrochemical cell L) electrolytic cell B) both electrochemical and electrolytic cell N) neither electrochemical or electrolytic cell] A........... can separate a molten salt into its elements B.......... reduction occurs at anode 16 A)
Last Name First 17, 18.... Draw the electrolysis cell for the electrolysis of molten BaBrz. Label the cathode and anode, the positive and negative electrodes, the electrodes where oxidation and reduction takes place, the site of metal deposition and the nonmetal deposition. Write the oxidation and reduction half reactions of the cell, and the balanced equation. 19 Draw the electrolysis cell for the electroplating of Zinc (+2) using a graphite electrode. Indicate which ion must be present in the solution, where the reduction takes place, the charge of the electrode and write the half reaction. 20 Name one purpose of the salt bridge in a Voltaic Cell.
Last Name.... First 12 On Table J, the best reducing agent is l.i. and the best oxidizing agent is F.2.....
11:45 Х Reference Tabl... @ d 298 K Table Activity Series** ΔΗ (kJ)" 990.4 Most Active Metals Nonmetals Most Active Rb 2219.2 -10943 2) K CI Bry I. -1452 Cs -1367 Ba -2804 Sr Na -566.0 -393.5 -3351 +182.6 Mg Al T +66.4 -483.6 -571.6 -91.8 Mn Zn Cr -S4.0 Fe +52.4 Co Ni +297.4 +53.0 Sn +34.89 Pb -44.51 Cu +14.75 +25.69 +3.88 -48.83 -55.8 Au Least Least Active Active **Activity Series is based on the hydrogen standard. He is not a metal in the equations
12 On Table J, the best reducing agent is and the best oxidizing agent is 13,14. Draw the electrochemical cell: Fe(s)/Fe
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12 On Table J, the best reducing agent is and the best oxidizing agent is 13,14. Draw the electrochemical cell: Fe(s)/Fe
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