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The answer is simple.. special coatings..

And you cant simply use stainless steel for a hull, for two reasons.. one being it is unbelievably expensive compared to steel, and stainless steel is more dense.

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15y ago

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What substance does not stop iron from rusting?

Substances that don't stop iron from rusting include:flourcementtoothpasteironlyemilkpastahairdirtcarbonwatersalad dressingaspirincopperpaperlavasulfurperchloroethylenemethanesilanestrychninetangsugarhemlockradonsaltetc.


Why does ships suffer a lot of damage from rusting in spite of painting?

Even with paint, ships are constantly exposed to harsh ocean environments that lead to wear and damage over time. Saltwater, humidity, and mechanical stresses can cause the paint to peel or chip, exposing the underlying metal to corrosion. Regular maintenance and coatings specifically designed for marine environments are crucial to preventing rust on ships.


Why is rusting said to be one of the most expensive chemical reactions?

Rust is why most cars expire. Same can be said for ships, boats and most infrastructure. Reinforced concrete is concrete armored often with steel and/or iron rebars and is a very common building material in most kinds of infrastructure. If the steel or iron rebars in the concrete begins rusting the concrete will crack as the corrosion swells the iron/steel and therefore creates a crack that propagates and exposes more iron/steel to the elements. If a large part of the worlds automobiles, ships, boats and infrastructure are destroyed, in one way or another, by rusting, it is hard to think of a chemical reaction that can match it in cost.


What is a word that discribesoxidation?

Rusting.


Which type of gas does rusting require?

Rusting typically requires the presence of oxygen in the gas phase, as this initiates the oxidation reaction that leads to the formation of rust. Additionally, moisture or water is also needed for the process of rusting to occur, as it helps accelerate the oxidation of the metal.