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Cell Zn-Cu EXP. 3 VOLTAIC CELLS POST-LAB REPORT WORKSHEETS Part 2- Measurement of Cell Potentials 1. Note: Because [Fe²] 0.5 M, the experimental voltages can be expected to. deviate from the calculated voltages (using the Nernst equation) where Fe²+ half-cells are involved. Experimental Voltage Readings and Average 1.092 + 1.092 2 = 1.095 V 0.465 +0.465 At which metal does reduction occur? Cu Cilt (agite -Cu +0.16V At which metal does oxidation occur? Zn 2n ² (a) + 2é → zn (s) -0.76V Pi Which metal is the stronger reducing agent? 2n -076 V PI Calculated Voltage (assume 0.5 M)

Cell Zn-Cu EXP. 3 VOLTAIC CELLS POST-LAB REPORT WORKSHEETS Part 2- Measurement of Cell Potentials 1. Note: Because [Fe²] 0.5 M, the experimental voltages can be expected to. deviate from the calculated voltages (using the Nernst equation) where Fe²+ half-cells are involved. Experimental Voltage Readings and Average 1.092 + 1.092 2 = 1.095 V 0.465 +0.465 At which metal does reduction occur? Cu Cilt (agite -Cu +0.16V At which metal does oxidation occur? Zn 2n ² (a) + 2é → zn (s) -0.76V Pi Which metal is the stronger reducing agent? 2n -076 V PI Calculated Voltage (assume 0.5 M)

Chemistry: Principles and Reactions
Chemistry: Principles and Reactions
8th Edition
ISBN:9781305079373
Author:William L. Masterton, Cecile N. Hurley
Publisher:William L. Masterton, Cecile N. Hurley
Chapter17: Electrochemistry
Section: Chapter Questions
Problem 105QAP: Consider a voltaic cell in which the following reaction occurs. Zn(s)+Sn2+(aq)Zn2+(aq)+Sn(s) (a)...
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Cell Zn-Cu Cu-Pb Cu-Fe Zn-Pb Fe-Zn Fe-Pb EXP. 3 VOLTAIC CELLS POST-LAB REPORT WORKSHEETS Part 2 - Measurement of Cell Potentials 1. Note: Because [Fe²] # 0.5 M, the experimental voltages can be expected to deviate from the calculated voltages (using the Nernst equation) where Fe²+ half-cells are involved. Experimental Voltage Readings and Average 1.092+ 1,012 2 = 1.095 V 0.465 +0.465 2 = 0.465 V 0.028 +0027 C = 00275V 0.650+ 0.628 0.629 V 0.321 +0,322 2 = 0.3215 V 0.002 0.004 " = 0.003 V At which metal does reduction occur? Cn Cult (agite → Cut Си +0.16V Си +0.16V +0.16 V Zn -0.76V 2n -0.76 Pb At which metal does oxidation occur? -0.131 Zn Zn ² (a) + 2é → zn (s) -0.76V Pb -0.13V Fe Pb +0.77V -0.13V Fe +0.77 V Fe Which metal is the stronger reducing agent? 2n -076 V Pb -0.13V Fe +0.77V Pb -0.13 V Fe +0.77 Fe Calculated Voltage (assume 0.5 M) +0.77 +0.77 2. On the basis of the calculated voltages, write the order for the reducing strength of the four metals (Zn, Cu, Pb, Fe), in order of decreasing reducing strength.
Transcribed Image Text:Cell Zn-Cu Cu-Pb Cu-Fe Zn-Pb Fe-Zn Fe-Pb EXP. 3 VOLTAIC CELLS POST-LAB REPORT WORKSHEETS Part 2 - Measurement of Cell Potentials 1. Note: Because [Fe²] # 0.5 M, the experimental voltages can be expected to deviate from the calculated voltages (using the Nernst equation) where Fe²+ half-cells are involved. Experimental Voltage Readings and Average 1.092+ 1,012 2 = 1.095 V 0.465 +0.465 2 = 0.465 V 0.028 +0027 C = 00275V 0.650+ 0.628 0.629 V 0.321 +0,322 2 = 0.3215 V 0.002 0.004 " = 0.003 V At which metal does reduction occur? Cn Cult (agite → Cut Си +0.16V Си +0.16V +0.16 V Zn -0.76V 2n -0.76 Pb At which metal does oxidation occur? -0.131 Zn Zn ² (a) + 2é → zn (s) -0.76V Pb -0.13V Fe Pb +0.77V -0.13V Fe +0.77 V Fe Which metal is the stronger reducing agent? 2n -076 V Pb -0.13V Fe +0.77V Pb -0.13 V Fe +0.77 Fe Calculated Voltage (assume 0.5 M) +0.77 +0.77 2. On the basis of the calculated voltages, write the order for the reducing strength of the four metals (Zn, Cu, Pb, Fe), in order of decreasing reducing strength.
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