Are the following chemical equations ⚖️ balanced?

Chemical equation 1 ⚗️
4Al + 3CuO → 2Al₂O₃ + 3Cu Balanced Not balanced

Chemical equation 2 ⚗️
FeCl₃ + 3NaOH → Fe(OH)₃ + 3NaCl Balanced Not balanced

Chemical equation 3 ⚗️
2BaCl₂ + Na₂SO₄ → 2BaSO₄ + 2NaCl Balanced Not balanced

Chemical equation 4 ⚗️
3C + Fe₂O₃ → 4Fe + 3CO₂ Balanced Not balanced

Chemical equation 5 ⚗️
3Fe + 4H₂O → Fe₃O₄ + 4H₂ Balanced Not balanced

Chemical equation 6 ⚗️
NH₄NO₃ → N₂O + 2H₂O Balanced Not balanced

Chemical equation 7 ⚗️
2CH₃OH + 3O₂ → 2CO₂ + 4H₂O Balanced Not balanced