The rust is FeO2, and rust molecules take up way more space than just Fe in solid steel. The rust is actually the layer that is protecting the rest of the steel from rusting further. It's part of the design.
The rust is FeO2, and rust molecules take up way more space than just Fe in solid steel. The rust is actually the layer that is protecting the rest of the steel from rusting further. It's part of the design.
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