1. 2H2 + O2 = 2H2O
2. N2 + 3H2 = 2NH3
3. S8 + 12O2 = 8SO3
4. 2N2 + O2 = 2N2O
5. 2HgO = 2Hg + O2
6. 6CO2 + 6H2O = C6H12O6 + 6O2
7. Zn + 2HCl = ZnCl2 + H2
8. SiCl4 + 4H2O = H4SiO4 + 4HCl
9. 2Na + 2H2O = 2NaOH + H2
10. 2H3PO4 = H4P2O7 + H2O
11. C10H16 + 8Cl2 = 10C + 16HCl
12. 2CO2 + 4NH3 = OC(NH2)2 + 2H2O
13. 4Si2H3 + 17O2 = 8SiO2 + 6H2O3
14. 2Al(OH)3 + 3H2SO4 = Al2(SO4)3 + 6H2O
15. 4Fe + 3O2 = 2Fe2O3
16. Fe2(SO4)3 + 6KOH = 3K2SO4 + 2Fe(OH)3
17. 2C7H6O2 + 15O2 = 14CO2 + 6H2O
18. H2SO4 + 8HI = H2S + 4I2 + 4H2O
19. 4FeS2 + 11O2 = 2Fe2O3 + 8SO2
20. 2Al + 3FeO = Al2O3 + 3Fe
21. 1Fe2O3 + 3H2 = 2Fe + 3H2O
22. Na2CO3 + 2HCl = 2NaCl + H2O + CO2
23. 2K + Br2 = 2KBr
24. C7H16 + 11O2 = 7CO2 + 8H2O
25. P4 + 5O2 = 2P2O5
26. Dicarbon dihydride + Oxygen = Carbon dioxide + Water
2C2H2 + 5O2 = 4CO2 + 2H2O
27. Potassium oxide + Water = Potassium hydroxide
K2O + H2O = 2KOH
28. Hydrogen peroxide = Water + Oxygen
2H2O2 = 2H2O + O2
29. Aluminum + Oxygen = Aluminum oxide
4Al + 3O2 = 2Al2O3
30. Sodium peroxide + Water = Sodium hydroxide + oxygen
2Na2O2 + 2H2O = 4NaOH + O2
31. Silicon dioxide + Hydrogen fluoride = Silicon tetrafluoride + Water
SiO2 + 4HF = SiF4 + 2H2O
32. Carbon + waterè Carbon monoxide + Hydrogen
C + H2O à CO + H2
33. Potassium chlorateè Potassium chloride + Oxygen
2KClO3 = 2KCl + 3O2
34. Potassium chlorate = Potassium perchlorate + Potassium chloride
4KClO3 = 3KClO4 + KCl
35. Aluminum sulfate + Calcium hydroxide = Aluminum hydroxide + Calcium sulfate
Al2(SO4)3 + 3Ca(OH)2 = 2Al(OH)3 + 3CaSO4
36. Tetraphosphorus decoxide + Waterè Hydrogen phosphate
P4O10 + 6H2O = 4H3PO4
37. Iron III chloride + Ammonium hydroxide = Iron III hydroxide + Ammonium chloride
FeCl3 + 3NH4OH = Fe(OH)3 + 3NH4Cl
38. Antimony + Oxygen = Tetrantimony Hexoxide
4Sb + 3O2 = Sb4O6
39. Tricarbon octahydride + Oxygen = Carbon dioxide + water
C3H8 + 5O2 = 3CO2 + 4H2O
40. Dinitrogen pentoxide + Water = Hydrogen nitrate
N2O5 + H2O = 2HNO3
41. Nitrogen trihydride + Nitrogen monoxide = Nitrogen + Water
4NH3 + 6NO = 5N2 + 6H2O
42. Aluminum + Hydrogen chloride = Aluminum chloride + Hydrogen
2Al + 6HCl = 2AlCl3 + 3H2
43. Phosphorus pentachloride + water = Hydrogen chloride + Hydrogen phosphate
2PCl5 + 8H2O = 10HCl + 2H3PO4
44. Magnesium + Nitrogenè Magnesium nitride
3Mg + N2 = Mg3N2
45. Iron + Waterè Iron III oxide + Hydrogen
2Fe + 3H2O = Fe2O3 + 3H2
46. Sodium hydroxide + Chlorine = Sodium chloride + Sodium hypochlorite + water
2NaOH + 2Cl = NaCl + NaClO + H2O
47. Lithium oxide + Water = Lithium hydroxide
Li2O + H2O = 2LiOH
48. Ammonium nitrate = Dinitrogen monoxide + water
2NH4NO3 = 2N2O + 4H2O
49. Lead II nitrate = Lead II oxide + Nitrogen dioxide + Oxygen
2Pb(NO3)2 = 2PbO + 4NO2 + O2
50. Calcium chlorate = Calcium chloride + Oxygen
Ca(ClO3)2 = CaCl2 + 3O2
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