26natalyfranco 26natalyfranco 03-12-2020 Biology contestada Which of the following equations are balanced? 2Fe + Cu(NO 3) 2 → 2Cu + Fe(NO 3) 2 2K + 2H 2O → H 2 + 2KOH Li + Cl 2 → LiCl 2H 2 + O 2 → 2H 2O 2S + 3O 2 → 2SO 3