88. Solving a chemistry problem
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88. Solving a chemistry problem
4. Draw a diagram of a corrosive element with a damaged coating in humid air. Base-steel (E ° Fe2 / Fe \u003d -0.44 V). Coating - Cu (E°Cu2 /Cu = 0.34 V); it is used to conduct the surface layer. Specify the thickness and type of coating.
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