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Author Question: A cell is set up with copper and lead electrodes in contact with CuSO4(aq) and Pb(NO3)2(aq), ... (Read 92 times)

lbcchick

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Question 1

What type of compound can form a layer of protection against corrosion?


Question 2

A cell is set up with copper and lead electrodes in contact with CuSO4(aq) and Pb(NO3)2(aq), respectively, at 25°C. The standard reduction potentials are:

              Pb2+ + 2e→ Pb     E° = –0.13 V

              Cu2+ + 2e→ Cu     E° = +0.34 V

If the Pb2+ and Cu2+ are each 1.0 M, the potential of the cell, in volts, is:


0.47 V
0.92 V
0.22 V
0.58 V
None of these are correct.


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Marked as best answer by lbcchick on Mar 21, 2021

millet

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lbcchick

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Reply 2 on: Mar 21, 2021
Excellent


shewald78

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Reply 3 on: Yesterday
Gracias!

 

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