4Fe + 3O2 --------> 2Fe2O3 so there are 3 oxygen molecule reacatnts and thus 6 oxygen atoms in the reactants.
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6 Oxygen atoms.
20
8 Iron Atoms
12 Oxygen Atoms
2Fe2O3
5
3
A basic equation for the formation of rust is 4Fe + 3O2 --> 2Fe2O3
4Fe(s) + 3O2(g) --> 2Fe2O3(s)
4Fe + 3O2 -> 2Fe2O3
4Fe + 3O2 --> 2Fe2O3
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A basic equation for the formation of rust is 4Fe + 3O2 --> 2Fe2O3
4Fe(s) + 3O2(g) --> 2Fe2O3(s)
The rusting of iron is a chemical change, where iron and oxygen are the reactants and rust is the product. The basic equation for this reaction is: 4Fe + 3O2 --> 2Fe2O3
The rusting of iron is given by the balanced equation:4Fe + 3O2 --> 2Fe2O3
Isn't moisture also involved in it? so shouldn't H2O be a reactant also? EDIT: Yes, water (H2O) is required, but since the amount of H2O is the same on each side of the equation, it is not included in the chemically balanced equation. (Dr.J.)
4Fe + 3O2 -> 2Fe2O3
4Fe + 3O2 --> 2Fe2O3
Fe + O = FeOThis is the chemical equation for rust, when iron combines with an oxygen atom to form iron oxide, more commonly known as rust.----Iron rust is hydrated Fe2O3 and Fe(OH).Fe(OH)3.4Fe + 3O2 = 2Fe2O3.
The formula for iron (III) oxide is FeCl3, whether the formula is in a balanced equation or anywhere else where the formula is properly used.
4FeS2 + 11O2 ----> 2Fe2O3 + 8SO2
It's an example of a chemical change. Rusting is a chemical process by which iron metal reacts with oxygen in the air to produce iron oxide, otherwise known as rust. A chemical change means you end up with something you didn't have before. Every chemical reaction has an equation associated with it, and the equation for rusting iron is:4Fe + 3O2 --> 2Fe2O3