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Author Question: Consider an electrochemical cell with a zinc electrode immersed in 1.0 M Zn2+ and a nickel electrode ... (Read 238 times)

charchew

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on: Mar 21, 2021

Question 1

Consider an electrochemical cell with a zinc electrode immersed in 1.0 M Zn2+ and a silver electrode immersed in 1.0 M Ag+.

    Zn2+ + 2e–→ Zn        E° = –0.758 V

    Ag+ + e–→ Ag          E° = 0.800 V

Calculate E° for this cell.


◦ 0.042 V
◦ –0.042 V
◦ 1.558 V
◦ –1.558 V
◦ None of these are correct.

Question 2

Consider an electrochemical cell with a zinc electrode immersed in 1.0 M Zn2+ and a nickel electrode immersed in 0.10 M Ni2+.
Zn2+ + 2e-→ Zn
E° = –0.76 V
Ni2+ + 2e-→ Ni
E° = –0.23 V
  

 Calculate the concentration of Ni2+if the cell is allowed to run to equilibrium at 25°C.

​

Reference: Ref 18-4

​

​


◦ 1.10 M
◦ 0.20 M
◦ 0.10 M
◦ 0 M
◦ None of these are correct.
Chemistry: An Atoms First Approach ¦ Zumdahl, DeCoste ¦ 3rd Edition
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Marked as best answer by charchew on Mar 21, 2021

mammy1697

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Reply #1 on: Mar 21, 2021
Lorsum iprem. Lorsus sur ipci. Lorsem sur iprem. Lorsum sur ipdi, lorsem sur ipci. Lorsum sur iprium, valum sur ipci et, vala sur ipci. Lorsem sur ipci, lorsa sur iprem. Valus sur ipdi. Lorsus sur iprium nunc, valem sur iprium. Valem sur ipdi. Lorsa sur iprium. Lorsum sur iprium. Valem sur ipdi. Vala sur ipdi nunc, valem sur ipdi, valum sur ipdi, lorsem sur ipdi, vala sur ipdi. Valem sur iprem nunc, lorsa sur iprium. Valum sur ipdi et, lorsus sur ipci. Valem sur iprem. Valem sur ipci. Lorsa sur iprium. Lorsem sur ipci, valus sur iprem. Lorsem sur iprem nunc, valus sur iprium.
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charchew

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Reply 2 on: Mar 21, 2021
Gracias!

lcapri7

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Reply 3 on: Yesterday
YES! Correct, THANKS for helping me on my review

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