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Exercice 1 17.17 Lead experiences corrosion in an acid solu- tion according to the reaction Pb...
Exercice 1 17.17 Lead experiences corrosion in an acid solu- tion according to the reaction Pb + 2H — Pb2+ + H, The rates of both oxidation and reduction half-reactions are controlled by activation polarization. (a) Compute the rate of oxidation of Pb (in mol/cms) given the following activation polarization data: For Lead For Hydrogen V POP = -0.126 V V=OV - 2 x 10A/cm² i = 10 x 10 A/cm B = +0.12 B = -0.10 (b) Compute the...
Problem 17.17 Incorrect Nickel experiences corrosion in an acid solution according to the reaction Ni 2H+ Ni2+ +H2 The rates of both oxidation and reduction half-reactions are controlled by activation polarization. For Nickel For Hydrogen V(Ni/Ni2+)0.25 V 0 = 10-8 A/cm2 P 0.10 o - 6 x 10-7 A/cm2 B-0.08 (a) Compute the rate of oxidation of Ni given the following activation polarization data above. 8.03e-14 mol/(cm2-s) (b) Compute the value of the corrosion potential. 0.019