Question

explain why this is formula for formation of rust?
4Fe + 3O2 → 2Fe2O3

Answer 1

@surry99

Answer 2

although my chem is not so good, but I think this might help
http://www.corrosion-doctors.org/Experiments/rust-chemistry.htm

Answer 3

Thank you, that does help a bit. Except their final formula is different than mine?

Answer 4

This is an oxidation reduction reaction. Can you see what is oxidized and what is reduced?

Answer 5

try to write in the oxidation numbers for all the elements in the equation

Answer 6

the ironis oxidized?

Answer 7

iron is