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Author Question: Given that Ered = -1.66 V for Al3+/Al at 25 C, find E and E for the concentration cell expressed ... (Read 154 times)

j.rubin

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on: Nov 18, 2019

Question 1

Using the following standard reduction potentials,

Fe3+(aq) + e- →Fe2+(aq)E° = +0.77 V
Ni2+(aq) + 2 e- →Ni(s)E° = -0.23 V

calculate the standard cell potential for the galvanic cell reaction given below and determine whether or not this reaction is spontaneous under standard conditions.

Ni2+(aq) + 2Fe2+(aq) → 2Fe3+(aq) + Ni(s)

◦ E° = -1.00 V, spontaneous
◦ E° = -1.00 V, nonspontaneous
◦ E° = +1.00 V, spontaneous
◦ E° = +1.00 V, nonspontaneous

Question 2

Given that E°red = -1.66 V for Al3+/Al at 25 °C, find E° and E for the concentration cell expressed using shorthand notation below:

Al(s) ∣ Al3+(1.0 × 10-5 mol L-1) ∣∣ Al3+(0.100 mol L-1) ∣ Al(s)

◦ E° = -1.66 V and E = -1.54 V
◦ E° = 0.00 V and E = +0.0789 V
◦ E° = -1.66 V and E = -1.42 V
◦ E° = 0.00 V and E = +0.24 V
Chemistry: A Molecular Approach (Canadian) ¦ Tro, Fridgen, Shaw ¦ 2nd Edition
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Marked as best answer by j.rubin on Nov 18, 2019

beccamahon

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Reply #1 on: Nov 18, 2019
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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j.rubin

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Reply 2 on: Nov 18, 2019
Wow, this really help

miss_1456@hotmail.com

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Reply 3 on: Yesterday
Great answer, keep it coming :)

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