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Use Table 1 as a source of half-equations and reduction potentials for this assignment. 1. Rank the following metals by ease of oxidation, from hardest to easiest: Cu; aluminum, Al; Fe; and chromium, Cr. 2. An Al strip is placed in CuSO4 solution. a. Would you expect a spontaneous reaction to occur, based on the net potential? b. If your answer to (1) is "yes," what would you observe? c. Write a chemical equation that describes your predicted observations. Table 1 Selected standard reduction potentials for half-reactions red measured in Reduction Half-Equation E° red, V Mg2+(aq) + 2e→ Mg(s) -2.37 Al3+(aq) + 3 e → Al(s) -1.66 Cr²+(aq) + 2e → Cr(s) -0.91 Zn2+(aq) + 2e → Zn(s) -0.76 Fe2+(aq) + 2e → Fe(s) -0.44 Ni²+(aq) + 2e → Ni(s) -0.26 Sn2+(aq) + 2e → Sn(s) -0.14 Pb2+(aq) + 2 e → Pb(s) -0.13 2 H+(aq) + 2e → H2(g) 0.00 Cu2+(aq) + 2e→ Cu(s) +0.34 Ag+(aq) + e Ag(s) +0.80

Use Table 1 as a source of half-equations and reduction potentials for this assignment. 1. Rank the following metals by ease of oxidation, from hardest to easiest: Cu; aluminum, Al; Fe; and chromium, Cr. 2. An Al strip is placed in CuSO4 solution. a. Would you expect a spontaneous reaction to occur, based on the net potential? b. If your answer to (1) is "yes," what would you observe? c. Write a chemical equation that describes your predicted observations. Table 1 Selected standard reduction potentials for half-reactions red measured in Reduction Half-Equation E° red, V Mg2+(aq) + 2e→ Mg(s) -2.37 Al3+(aq) + 3 e → Al(s) -1.66 Cr²+(aq) + 2e → Cr(s) -0.91 Zn2+(aq) + 2e → Zn(s) -0.76 Fe2+(aq) + 2e → Fe(s) -0.44 Ni²+(aq) + 2e → Ni(s) -0.26 Sn2+(aq) + 2e → Sn(s) -0.14 Pb2+(aq) + 2 e → Pb(s) -0.13 2 H+(aq) + 2e → H2(g) 0.00 Cu2+(aq) + 2e→ Cu(s) +0.34 Ag+(aq) + e Ag(s) +0.80

Chemistry
Chemistry
9th Edition
ISBN:9781133611097
Author:Steven S. Zumdahl
Publisher:Steven S. Zumdahl
Chapter18: Electrochemistry
Section: Chapter Questions
Problem 150CP: Given the following two standard reduction potentials, solve for the standard reduction potential of...
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Use Table 1 as a source of half-equations and reduction potentials for this assignment. 1. Rank the following metals by ease of oxidation, from hardest to easiest: Cu; aluminum, Al; Fe; and chromium, Cr. 2. An Al strip is placed in CuSO4 solution. a. Would you expect a spontaneous reaction to occur, based on the net potential? b. If your answer to (1) is "yes," what would you observe? c. Write a chemical equation that describes your predicted observations.
Transcribed Image Text:Use Table 1 as a source of half-equations and reduction potentials for this assignment. 1. Rank the following metals by ease of oxidation, from hardest to easiest: Cu; aluminum, Al; Fe; and chromium, Cr. 2. An Al strip is placed in CuSO4 solution. a. Would you expect a spontaneous reaction to occur, based on the net potential? b. If your answer to (1) is "yes," what would you observe? c. Write a chemical equation that describes your predicted observations.
Table 1 Selected standard reduction potentials for half-reactions red measured in Reduction Half-Equation E° red, V Mg2+(aq) + 2e→ Mg(s) -2.37 Al3+(aq) + 3 e → Al(s) -1.66 Cr²+(aq) + 2e → Cr(s) -0.91 Zn2+(aq) + 2e → Zn(s) -0.76 Fe2+(aq) + 2e → Fe(s) -0.44 Ni²+(aq) + 2e → Ni(s) -0.26 Sn2+(aq) + 2e → Sn(s) -0.14 Pb2+(aq) + 2 e → Pb(s) -0.13 2 H+(aq) + 2e → H2(g) 0.00 Cu2+(aq) + 2e→ Cu(s) +0.34 Ag+(aq) + e Ag(s) +0.80
Transcribed Image Text:Table 1 Selected standard reduction potentials for half-reactions red measured in Reduction Half-Equation E° red, V Mg2+(aq) + 2e→ Mg(s) -2.37 Al3+(aq) + 3 e → Al(s) -1.66 Cr²+(aq) + 2e → Cr(s) -0.91 Zn2+(aq) + 2e → Zn(s) -0.76 Fe2+(aq) + 2e → Fe(s) -0.44 Ni²+(aq) + 2e → Ni(s) -0.26 Sn2+(aq) + 2e → Sn(s) -0.14 Pb2+(aq) + 2 e → Pb(s) -0.13 2 H+(aq) + 2e → H2(g) 0.00 Cu2+(aq) + 2e→ Cu(s) +0.34 Ag+(aq) + e Ag(s) +0.80
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