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because the iron bonds with oxygen, so the weight becomes the original weight of iron plus the original weight of Oxygen.

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14y ago
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13y ago

Iron gets heavier as it rusts, because it bonds with the oxygen in the air, adding mass to the iron.

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15y ago

Because oxygen molecules have bonded with the iron and added their weight to the mass.

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12y ago

When the iron rusted, it reacted with oxygen to form iron oxide, which is rust. So, the new mass is the original iron plus the mass of the oxygen that combined with it.

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11y ago

true

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Q: Why does iron weigh more after it rusts?
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Related questions

What transition metal rusts when exposed to oxygen?

Iron rusts in the presence of Oxygen.


Which metal rusts first copper or iron?

Neither. Only iron rusts. Other metals oxidize.


What happens to iron when it is in air and gets wet?

It rusts. Check the "related links" if you are concerned for more information regarding the chemical reactions that take place and the different products formed when iron rusts.


What is the reducing agent when iron rusts?

iron


Iron atoms are destroyed When iron rusts?

No. Atoms cannot be destroyed by chemical processes. When iron rusts it bonds with oxygen to form iron oxide.


Why does rust weight more?

Talking about Iron. Rust is an oxide of Iron. Basically Iron that rusts has captured Oxygen from the air around it in a chemical reaction - a slow one thankfully! The weight increase is due to the attached Oxygen.


What rusts faster?

iron


Is iron nail biodegradable?

No. Iron rusts but it is not biodegradable.


Why does rust weigh more than original powdered iron?

When iron (Fe) rusts, it combines with oxygen (O2) to form various forms of iron oxide such as Fe2O3, Fe3O4, or FeO2. In each of these there are oxygen molecules bonded to the iron. The oxygen comes from the air, water or other solution. So an object which was formally pure iron, once rusted, will contain additional mass from the oxygen and weigh more than it did before.


When an iron nail rusts what is one product?

iron oxide


Why is most Iron in the world not found as the metal?

Iron rusts.


Why does the iron rusts when magnesium is put in the water with the iron?

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