Half ReactionEredAg*Ag+ 0.80 V3 eAl- 1.66 V3 eCr- 0.74 V+Fe3+Fe2++ 0.77 V2 eNi- 0.28 V2 ePb2Pb- 0.13 V+'a Find the electric potential (E) for the following reaction at 350K when [Al³*] = 0.27 M, and [Cr*] = 1.8 M.CrCr (s)Al (s)

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Half Reaction Ered Ag* Ag + 0.80 V 3 e Al - 1.66 V

Chemistry

10th Edition

ISBN:9781305957404

Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste

Publisher:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste

Chapter1: Chemical Foundations

Section: Chapter Questions

Problem 1RQ: Define and explain the differences between the following terms. a. law and theory b. theory and...

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Question

Half Reaction
Ered
Ag*
Ag
+ 0.80 V
3 e
Al
- 1.66 V
3 e
Cr
- 0.74 V
+
Fe3+
Fe2+
+ 0.77 V
2 e
Ni
- 0.28 V
2 e
Pb2
Pb
- 0.13 V
+
'a

Find the electric potential (E) for the following reaction at 350K when [Al³*] = 0.27 M, and [Cr*] = 1.8 M.
Cr
Cr (s)
Al (s)

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D
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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