Zn2+(aq) + 2e Cr3+(aq) + 3e 2 H₂O(l) + 2e Zn(s) -0.76 Cr(s) -0.73 H2(g) + 20H(aq) -0.83 Mn2+(aq) + 2e Mn(s) -1.18 Al3+(aq) + 3e Al(s) -1.66 Mg2+(aq) + 2e Mg(s) -2.37 Na+ (aq) + e Na(s) -2.71 Ca2+ (aq) + 2e Ca(s) -2.76
Zn2+(aq) + 2e Cr3+(aq) + 3e 2 H₂O(l) + 2e Zn(s) -0.76 Cr(s) -0.73 H2(g) + 20H(aq) -0.83 Mn2+(aq) + 2e Mn(s) -1.18 Al3+(aq) + 3e Al(s) -1.66 Mg2+(aq) + 2e Mg(s) -2.37 Na+ (aq) + e Na(s) -2.71 Ca2+ (aq) + 2e Ca(s) -2.76
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...
Related questions
Question
I need help with this pratice problem: will the reaction be spontaneous? If not write the
spontaneous direction, and calculate the Ecell. Sketch the
cell and write the line notation of the spontaneous reaction (Zn + Ca2+ → Zn2+ + Ca).
Transcribed Image Text:Zn2+(aq) + 2e
Cr3+(aq) + 3e
2 H₂O(l) + 2e
Zn(s)
-0.76
Cr(s)
-0.73
H2(g) + 20H(aq)
-0.83
Mn2+(aq) + 2e
Mn(s)
-1.18
Al3+(aq) + 3e
Al(s)
-1.66
Mg2+(aq) + 2e
Mg(s)
-2.37
Na+ (aq) + e
Na(s)
-2.71
Ca2+ (aq) + 2e
Ca(s)
-2.76
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