Practice: 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 a) Spontaneous b) Not spontaneous c) Not sure Cr³+ (aq) + 3e 2 H₂O(l) + 2e Mn2+(aq) + 2e Al3+(aq) + 3e Mg2+(aq) + 2e Zn2+(aq) + 2e Zn(s) -0.76 Cr(s) -0.73 H2(g) +20H(aq) -0.83 Mn(s) -1.18 Al(s) Mg(s) -1.66 -2.37 Na+ (aq) + e Na(s) -2.71 Ca2+ (aq) + 2e Ca(s) -2.76 Sketch the cell and write the line notation. • 2Ag++ Cu → Cu2+ + 2Ag Ag (aq) + e Ag(s) 0.80 Fe3+(aq) + e Fe2+(aq) 0.77 O2(g) +2 H(aq) + 2e →H₂O₂(aq) 0.70 MnO4 (aq) + e MnO4(aq) 0.56 2(s) + 2e 21 (aq) 0.54 Cu+(aq) + e Cu(s) 0.52 O2(g) + 2 H2O(l) + 4 e¯ 4 OH(aq) 0.40 Cu2+(aq) + 2e → Cu(s) 0.34 E° cell = E° SRPcathode - E° SRPanode or E° cell = E° SRPred Es SRPOX

Practice: 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 a) Spontaneous b) Not spontaneous c) Not sure Cr³+ (aq) + 3e 2 H₂O(l) + 2e Mn2+(aq) + 2e Al3+(aq) + 3e Mg2+(aq) + 2e Zn2+(aq) + 2e Zn(s) -0.76 Cr(s) -0.73 H2(g) +20H(aq) -0.83 Mn(s) -1.18 Al(s) Mg(s) -1.66 -2.37 Na+ (aq) + e Na(s) -2.71 Ca2+ (aq) + 2e Ca(s) -2.76 Sketch the cell and write the line notation. • 2Ag++ Cu → Cu2+ + 2Ag Ag (aq) + e Ag(s) 0.80 Fe3+(aq) + e Fe2+(aq) 0.77 O2(g) +2 H(aq) + 2e →H₂O₂(aq) 0.70 MnO4 (aq) + e MnO4(aq) 0.56 2(s) + 2e 21 (aq) 0.54 Cu+(aq) + e Cu(s) 0.52 O2(g) + 2 H2O(l) + 4 e¯ 4 OH(aq) 0.40 Cu2+(aq) + 2e → Cu(s) 0.34 E° cell = E° SRPcathode - E° SRPanode or E° cell = E° SRPred Es SRPOX

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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