116. Задачка по химии №011 664

322. Consider the corrosion of a galvanic couple using potentials (Table A.7), indicate the anode and cathode of the corresponding galvanic couple in various corrosive environments, calculate the EMF, write the equations for the anode and cathode processes, the molecular equation for the corrosion reaction, indicate the direction of movement of electrons in the system

Job number 322.
corrosive environment
a) H2O O2 b) NaOH H2O c) H2O H
Fe / Ni Fe / Zn Al / Cu

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