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yoroshambo

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Question 1

The reduction potentials for Ni2+ and Sn2+ are as follows:
Ni2+ + 2e Ni, E° = –0.231 V
Sn2+ + 2e Sn, E° = –0.140 V

Calculate the equilibrium constant at 25 °C for the reaction:
Sn2+ + Ni Sn + Ni2+

3.6 × 1012

35
5.9
8.3 × 10–4

1.2 × 103


Question 2

The standard free energies of formation of several species are:
 
kJ/mol
H+(aq)
0
H2O(l)
–237.0
CH3OH(aq)
–163.0
HCOOH(aq)
–351.2
e
0
What is the standard reduction potential of methanoic acid in aqueous solution (i.e., for HCOOH + 4H+ + 4e CH3OH + H2O)?


0.126 V
0.506 V
–0.718 V
–0.126 V
1.946 V


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Marked as best answer by yoroshambo on Mar 21, 2021

connor417

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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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yoroshambo

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Reply 2 on: Mar 21, 2021
YES! Correct, THANKS for helping me on my review


meow1234

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Reply 3 on: Yesterday
:D TYSM

 

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