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Author Question: Determine Ecell at 25 C for the following reaction: Pb2+(aq) + Cu(s) Cu2+(aq) + Pb(s) The ... (Read 19 times)

oliviahorn72

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Question 1

Determine cell at 25 °C for the following reaction:

3 Sn2+(aq) + 2 Al(s) → 2 Al3+(aq) + 3 Sn(s)
Al3+(aq) + 3 e-→ Al(s) = -1.676 V
Sn2+(aq) + 2 e-→ Sn(s) = -0.137 V

◦ 2.941 V
◦ -1.813 V
◦ 1.813 V
◦ -1.539 V
◦ 1.539 V

Question 2

Determine cell at 25 °C for the following reaction:
Pb2+(aq) + Cu(s) → Cu2+(aq) + Pb(s)

The half-reactions are:
Pb2+(aq) + 2 e-→ Pb(s) = -0.125 V
Cu2+(aq) + 2 e-→ Cu(s) = +0.337 V

◦ 0.212 V
◦ -0.462 V
◦ 0.462 V
◦ -0.212 V
◦ 0.424 V


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Marked as best answer by oliviahorn72 on Jul 8, 2021

asware1

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oliviahorn72

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Reply 2 on: Jul 8, 2021
YES! Correct, THANKS for helping me on my review


abro1885

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Reply 3 on: Yesterday
:D TYSM

 

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