olegario43 olegario43

24-03-2021
Chemistry

contestada

I
Solid iron(III) oxide is produced when hot iron filings are exposed to pure
oxygen gas.

Respuesta :

21ahmedfa 21ahmedfa

24-03-2021

The unbalanced equation is:
Fe(s) + O2(g) —> Fe2O3(s)

To balance oxygens, multiply O2 by 3 and Fe2O3 by 2.

Fe(s) + 3O2(g) —> 2Fe2O3(s)

Balance your iron by multiplying Fe by 4, since you have 4 Fe in the products now.

4Fe(s) + 3O2(g) —> 2Fe2O3(s)

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