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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 V(H+/H2) ov io - 10-8 A/cm? io = 6x 107A/cm2

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 V(H+/H2) ov io - 10-8 A/cm? io = 6x 107A/cm2

Introduction to Chemical Engineering Thermodynamics
Introduction to Chemical Engineering Thermodynamics
8th Edition
ISBN:9781259696527
Author:J.M. Smith Termodinamica en ingenieria quimica, Hendrick C Van Ness, Michael Abbott, Mark Swihart
Publisher:J.M. Smith Termodinamica en ingenieria quimica, Hendrick C Van Ness, Michael Abbott, Mark Swihart
Chapter1: Introduction
Section: Chapter Questions
Problem 1.1P
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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 VININI2+) -0.25 V V(H+/H2) Ov io 108 A/cm2 io 6 x 107A/cm2 0.11 -0.08 %3! (a) Compute the rate of oxidation of Ni given the following activation polarization data above. i 0.001148 mol/(cm2-s) (b) Compute the value of the corrosion potential. i -0.444 V
Transcribed Image Text: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 VININI2+) -0.25 V V(H+/H2) Ov io 108 A/cm2 io 6 x 107A/cm2 0.11 -0.08 %3! (a) Compute the rate of oxidation of Ni given the following activation polarization data above. i 0.001148 mol/(cm2-s) (b) Compute the value of the corrosion potential. i -0.444 V
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