Voltage for a Standard Cell
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Using the electrode potentials in appendix C3 of your text, calculate the voltage for a standard cell using the following reaction:
H2O2 + MnO2 + H+ → Mn+2 + O2 + H2O
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Solution Summary
Using the electrode potentials in appendix C3 of your text, calculate the voltage for a standard cell using the following reaction.
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First, we have to find the two half-reactions:
MnO2 + 4H+ + 2e- → Mn+2 + 2H2O (E = 1.23 V)
O2 + 2H+ + 2e- → H2O2 (E = 0.682 V)
Of course, the second reaction needs to be switched around. When we do, we ...
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