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In the table, weight gain - time data for the oxidation of nickel at an elevated temperature are tabulated. ( a ) Determine whether the
In the table, weight gaintime data for the oxidation of nickel at an elevated temperature are tabulated.
a Determine whether the oxidation kinetics obey a linear, parabolic, or logarithmic rate expression.
b Now compute after a time of min.
Nickel experiences corrosion in an acid solution according to the reaction
The rates of both oxidation and reduction halfreactions are controlled by activation polarization.
For Nickel
For Hydrogen
a Compute the rate of oxidation of given the following activation polarization data above.
b Compute the value of the corrosion potential.
V
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