Balance the following chemical equations.
(i) `NH_(3)+Br_(2)toN_(2)+NH_(4)Br`
(ii) `FeS_(2)+O_(2)toFe_(2)O_(3)toSO_(2)`

Balance the chemical equations: NH_3 + Br_2 to N_2 + NH_4Br

Balance the chemical equations: NH_3 + O_2 to NO + H_2O

Balance the chemical equations: Fe_3O_4 + H_2 to Fe + H_2O

Balance the following ionic equation. MnO_(4)^(-)+H^(+)+Br^(-)toMn^(2+)+Br_(2)+H_(2)O

Balance the chemical equations: FeS_2 + O_2 to Fe_2O_3 + SO_2

Balance the following equations: (i) H_(3)PO_(3) to H_(3)PO_(4) + PH_(3) (ii) Ca + H_(2)O to Ca(OH)_(2) + H_(2) (iii) Fe_(2)(SO_(4))_(2) + NH_(3) + H_(2)O to Fe(OH)_(3) + (NH_(4))_(2)SO_(4)