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It is because oxygen and iron (in the presence of water) produce iron oxide, more commonly known as rust, in a chemical reaction. Coastal areas tend to be more humid, So there is more water in the air.
Iron corrosion can also include the combination of iron with other ons such as chloride. In coastal areas chloride is present both as saltwater spray and as salt dust. This accelerates the corrossion reactions.
The reason that iron rusts anywhere is because oxygen and iron produce iron oxide, more commonly known as rust, in a chemical reaction. Coastal areas tend to be more humid than other areas, so there is more moisture in the air. Water is about 33% oxygen, while air is about 21% oxygen. So, air with more water has more oxygen, which makes iron rust faster. Think of it this way, if you separated 200 cubic meters of air with no water in it into separate parts, you would have 42 cubic meters of oxygen. This is a very exaggerated landlocked area. Let's say we had another area where the air is so humid, that half the air is water. With, again, 200 cubic meters of air, there would actually be 100 cubic meters of air and 100 cubic meters of water. There would be 21 cubic meters of oxygen in the air section, and 33 cubic meters of oxygen in the water section. 21+33=54 cubic meters of oxygen in the coastal area. So, to sum up, more coastal=more humidity=more oxygen=faster rust on iron.
iron get rusted when it come in the contact with air and moister in coastal areas the air is moist because of the water vapour in the air where as in the desert air is dry
Geoffrey Huels
Wiki User
∙ 13y agoBecause there is oxygen in most all water, fresh or otherwise. Its the reaction between the iron, the water and the oxygen that forms rust.
Wiki User
∙ 14y agobecause oxygen is needed to form rust, and there is oxygen in water
Wiki User
∙ 16y agoBecause ions of clorin oxydize iron better then ions of oxygen.
Wiki User
∙ 14y agoSaltwater has many salts of Calcium,Magnesium etc. which are not present in freshwater.
These salts react with Iron rapidly and make it rust whereas this doesn't happen in freshwater.
Wiki User
∙ 6y agoThe concentration of oxygen is lower.
Wiki User
∙ 14y agoSalt acts as a calalyst for rusting.
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Which one will rust faster saltwater or freshwater?
saltwater
Why do coins rust faster in saltwater than in freshwater?
Because salt is a corrosive chemical.
Why does a coin rust faster in saltwater than freshwater?
because of the oxide nuetrons combining with salt and the electrons more quickly dieing from salt
Why does iron rust faster in salt water than freshwater?
Because the ion chloride (Cl-) from salt is very corrosive.
Why does iron rust faster in salt water than in tap water?
Salt water contains Na+ & Cl- ions which are highly reactive with iron to form FeCl2 .So iron rust faster in salt water.
Will a coin rust faster in saltwater or freshwater?
In saltwater. In saltwater.
Which one will rust faster saltwater or freshwater?
saltwater
Does iron rust faster in vinegar saltwater or freshwater?
Zinc will corrode in vinegar faster than salt water
Wpould a coins rust faster in saltwater or freshwater?
Salt water.
Why do coins rust faster in saltwater than in freshwater?
Because salt is a corrosive chemical.
Does iron rust the quickest in freshwater or saltwater?
Iron rusts better in salt water. The salt helps speed up the process of rusting.
Why do metals rust more in saltwater?
Yes, saltwater is corrosive for Iron and will cause Iron to rust.
Why does a coin rust faster in saltwater than freshwater?
because of the oxide nuetrons combining with salt and the electrons more quickly dieing from salt
Does iron rust in saltwater?
Yes.
Can rust form on a vehichle under freshwater?
Yes. It actually rusts faster in water, because water is made one third out of oxygen, which you need to make rust. Saltwater rusts vehicles even faster than freshwater does. Cars near the coast get more rust than cars in inland parts of the country.
Will iron rust faster in salt water or fresh water?
Iron will rust more quickly in salt water than fresh freshwater. The salt in the water accelerates the corrosion process.
How does saltwater make nails rust?
Any water makes iron rust. Rust is iron oxide. It happens when water allows the oxygen to dissolve in it and get to the surface of the metal. Salt water has dissolve salts in it which makes it work faster.
