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Oxygen air.

2Fe + O2 -> 2FeO

or

4Fe + 3O2 -> Fe2O3

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Q: What does iron combine with to create rust?
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Related questions

What two elements create iron oxide?

Iron and oxygen are the two elements that combine to create iron oxide. In the case of rust, iron reacts with oxygen in the presence of water to form iron oxide, commonly known as rust.


Does water make iron rusty?

Yes. Water, or any other form of moisture, will combine with iron to create iron oxide, otherwise known as rust.


Is rust made of separate atoms?

Yes, rust is made of separate atoms. Rust forms when iron atoms in metal combine with oxygen atoms in the air to create iron oxide, also known as rust. Each iron atom combines with multiple oxygen atoms to form the rust compound.


What elements are needed to create rust?

Rust forms when iron or iron alloys are exposed to oxygen and moisture. The presence of oxygen allows for the oxidation of iron, leading to the formation of iron oxide (rust).


What makes rust?

Iron combines with oxygen in the air to form ferric oxide, also known as rust.


When iron and oxygen combine to form rust what is are the reactants?

The reactants in the formation of rust are iron (Fe) and oxygen (O2). When iron reacts with oxygen in the presence of water or moisture, it forms iron oxide, commonly known as rust.


When rust is a compound with the formula which elements combine to form rust?

when certain elements (such as steel) are exposed to oxygen, they react, and rust is formed. However this reaction is very slow


What compound is created when iron and oxygen mix?

Iron and oxygen combine chemically to form iron oxide, also known as rust.


What are the elements combine to form rust?

Rust is formed when iron reacts with oxygen and moisture in the presence of an electrolyte. The reaction produces iron oxide, which is the reddish-brown flaky material we commonly refer to as rust.


Why does acid make an iron nail rust?

Acid speeds up the rusting process of iron by providing hydrogen ions that react with iron to form iron ions, which then combine with oxygen to form iron oxide (rust). The presence of acid accelerates the formation of rust on the iron nail by increasing the rate of oxidation.


What elements are combined to form rust?

amen


Why is rust an element?

Rust is a compound, not an element. It is primarily composed of iron oxide, formed when iron reacts with oxygen in the presence of water or moisture. Iron, one of the elements, combines with oxygen, another element, to create rust.