Расставить коэффициенты 1. Al + O2 =Al2O3 2. Mg + N2 =Mg3N2 3. K + Br2 =KBr 4. Zn + O2...

Question

Расставить коэффициенты 1. Al + O2 =Al2O3 2. Mg + N2 =Mg3N2 3. K + Br2 =KBr 4. Zn + O2 =ZnO 5. S + F2 = SF6 6. Ag2O = Ag + O2 7. Fe2O3 + H2= Fe + H2O 8. Al + Br2 = AlBr3 9. H2 + O2 = H2O 10. Zn + HBr = ZnBr2 + H2 11. Fe + O2 =Fe2O3 12. Ca + N2 =Ca3N2 13. Na + Cl2 =NaCl 14. Ba + O2 =BaO 15. P + F2 = PF5 16. HgO = Hg + O2 17. Al2O3 + H2= Al + H2O 18. B + Br2 = BBr3 19. N2 + O2 = NO 20. Mg + HBr = MgBr2 + H2 Закончить реакции 1. Al + Cl2 = 2. Mg + P = 3. K + N2 = 4. Na + S = 5. Ca + N2 = 6. Na + P = 7. P + Br2 = 8. Al + S =

Answer 1

1.2Al + 3O2 =Al2O3 2.3Mg + N2 =Mg3N2 3.K +2 Br2 =KBr 4.2Zn + 3O2 =ZnO 5.S + F2 = SF6 6.Ag2O = Ag +2 O2 7.Fe2O3 + H2= Fe + H2O 8.Al + Br2 = AlBr3 9.H2 + O2 = H2O 10.Zn + HBr = ZnBr2 + H2 11.Fe + O2 =Fe2O3 12.Ca + N2 =Ca3N2 13.Na + Cl2 =NaCl 14.Ba + O2 =BaO 15.P + F2 = PF5 16.HgO = Hg + O2 17.Al2O3 + H2= Al + H2O 18.B + Br2 = BBr3 19.N2 + O2 = NO 20.Mg + HBr = MgBr2 + H2