powerpoint presentation - biophysics...table 17.2. normal oxidation-reduction potentials of some...

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Page 1: PowerPoint Presentation - Biophysics...Table 17.2. Normal Oxidation-Reduction Potentials of Some Biologically Important Systems at pH 7.0 SYSTEM —0.68 —0.432 —0.420 —0.414
Page 2: PowerPoint Presentation - Biophysics...Table 17.2. Normal Oxidation-Reduction Potentials of Some Biologically Important Systems at pH 7.0 SYSTEM —0.68 —0.432 —0.420 —0.414
Page 3: PowerPoint Presentation - Biophysics...Table 17.2. Normal Oxidation-Reduction Potentials of Some Biologically Important Systems at pH 7.0 SYSTEM —0.68 —0.432 —0.420 —0.414
Page 4: PowerPoint Presentation - Biophysics...Table 17.2. Normal Oxidation-Reduction Potentials of Some Biologically Important Systems at pH 7.0 SYSTEM —0.68 —0.432 —0.420 —0.414
Page 5: PowerPoint Presentation - Biophysics...Table 17.2. Normal Oxidation-Reduction Potentials of Some Biologically Important Systems at pH 7.0 SYSTEM —0.68 —0.432 —0.420 —0.414
Page 6: PowerPoint Presentation - Biophysics...Table 17.2. Normal Oxidation-Reduction Potentials of Some Biologically Important Systems at pH 7.0 SYSTEM —0.68 —0.432 —0.420 —0.414
Page 7: PowerPoint Presentation - Biophysics...Table 17.2. Normal Oxidation-Reduction Potentials of Some Biologically Important Systems at pH 7.0 SYSTEM —0.68 —0.432 —0.420 —0.414
Page 8: PowerPoint Presentation - Biophysics...Table 17.2. Normal Oxidation-Reduction Potentials of Some Biologically Important Systems at pH 7.0 SYSTEM —0.68 —0.432 —0.420 —0.414

The Nernst Equation

[Aox] + n [e-] + m[H+] [Ared]

where m is the number of protons involved in the reduction of Aox.

The redox potential for this reaction can be calculated by:E = Em7 + 59/n log [Ared]/[Aox][H

+]m

which can be rewritten as:E = Em7 + 59/n log ([Ared]/[Aox]) + 59(m/n)pH