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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

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0 6 K 10 log().) 0 2 x 9656 O

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