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 Zn2+(aq) + 2e Zn(s) -0.76 Cr³+ (aq) + 3e →Cr(s) -0.73 2 H₂O(l) + 2e 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

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 Zn2+(aq) + 2e Zn(s) -0.76 Cr³+ (aq) + 3e →Cr(s) -0.73 2 H₂O(l) + 2e 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...

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