3. Paccrabbie . ripeo6pa308aB cxemil 1 ypannenus peakinif. peakilun. K+O_(2)=K_(2)O_(2) Al+C=Al_(4)C_(1) Cu(NO_(3))_(2)=CuO+NO_(2)+O_(2) Al_(2)(SO_(4))_(1)+Mg-MgSO_(4)+Al FeBr_(3)+Cl_(2)=FeCl_(3)+Br_(2) KMnO_(4)=K_(2)MnO_(2)+MnO_(2)+O_(2) NaOH+H_(3)PO_(4)=Na_(3)PO_(4)+H_(2)O Fc+O_(2)+H_(2)O=Fe(OH)_(2) NO_(2)+O_(2)+H_(2)O=HNO_(3)

It appears that the chemical equations provided are not balanced. Let's correct and balance each equation:1. 2. 3. 4. 5. 6. 7. 8. 9. Please note that the corrected equations are balanced and represent the correct stoichiometry for each reaction.