symbol equations

[15goddess15]

are these correct?

Zn + CuO = ZnO + Cu

2Fe + 3CuO = Fe2O3 + 3Cu

Mg + CuO = MgO + Cu

Fe + ZnO = ZnO + Fe

Cu + Fe2O3 = Fe2O3 = Al2O3

Al + Fe2O3 = Al2O3

Thanks x

[Docsteve]

OK for the first 3

4 and 5 - no reaction. The metal is less reactive than the metal in the oxide

6. You need 2Al and of course this frees up 2Fe in the products.

[15goddess15]

okay thanks

so number 6 would be: 2Al + Fe2O3 = Al2O3 + Fe

And as for 4 and 5 - i though that zinc was more reactive than iron. Therefore zinc would displace iron from its compound during a reaction no?