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Author Question: The reduction potentials for Au3+ and Ni2+ are as follows:Au3+ + 3e Au, E = +1.50 VNi2+ + 2e Ni, E = ... (Read 128 times)

Cooldude101

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on: Mar 21, 2021

Question 1

The reaction below occurs in basic solution. In the balanced equation, what is the sum of the coefficients?
              Zn + NO3–→ Zn(OH)42– + NH3

◦ 12
◦ 15
◦ 19
◦ 23
◦ 27

Question 2

The reduction potentials for Au3+ and Ni2+ are as follows:
Au3+ + 3e–→ Au, E° = +1.50 V
Ni2+ + 2e–→ Ni, E° = –0.227 V

Calculate ΔG° (at 25°C) for the reaction:
2Au3+ + 2Ni → 3Ni2+ + 2Au

◦ 1.00 × 103 kJ
◦ –7.37 × 102 kJ
◦ 7.37 × 102 kJ
◦ –1.67 × 102 kJ
◦ –1.00 × 103 kJ
Chemistry: An Atoms First Approach ¦ Zumdahl, DeCoste ¦ 3rd Edition
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Marked as best answer by Cooldude101 on Mar 21, 2021

billybob123

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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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Cooldude101

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Reply 2 on: Mar 21, 2021
Wow, this really help

jojobee318

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Reply 3 on: Yesterday
Thanks for the timely response, appreciate it

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