Balance the following reactions:
1. HgO Hg + O2
2. H2O H2 + O2
3. Al + Pb(NO3)2 Al(NO3)3 + Pb
4. Cu + AgNO3 Cu(NO3)2 + Ag
5. K + H2O KOH + H2
6. MnO2 + HCl MnCl2 + Cl2 + H2O
7. Cl2 + LiI LiCl + I2
8. F2 + H2O HF + O3
9. AgNO3 + K2SO4 Ag2SO4 + KNO3
10. Ni + HCl NiCl + H2
11. Ca(OH)2 + HCl CaCl2 + H2O
12. Cl2 + NaBr Br2 + NaCl
13. Cr2O3 Cr + O2
14. Fe + HCl FeCl3 + H2
15. C3H6 + O2 CO2 + H2O
16. P4 + F2 PF3
17. Ca(NO3)2 + KOH Ca(OH)2 + KNO3
18. KHCO3 K2CO3 + H2O + CO2
19. H3PO4 + NaOH Na3PO4 + H2O
20. Ca(NO3)2 + Na3PO4 Ca3(PO4)2 + NaNO3
21. Cu + HNO3 Cu(NO3)2 + NO2 + H2O
22. Sn + KOH K2SnO2 + H2
23. SiF4 + H2O H2SiF6 + H2SiO3
24. Te + H2O TeO + H2
25. La(NO3)3 + NaOH La(OH)3 + NaNO3
26. RhO3 RhO + O2
27. Hf + N2 Hf3N4
28. Ga + H2SO4 Ga2(SO4)3 + H2
29. PdCl2 + HNO3 Pd(NO3)2 + HCl
30. RbBr + AgCl AgBr + RbCl
31. PaI5 Pa + I2
32. O2 + Sb2S3 Sb2O4 + SO2
33. Cu + Cl2 CuCl2
34. CuO + H2 Cu + H2O
35. Sb + H2O Sb2O3 + H2
36. Re + Br2 ReBr3
37. Ac(OH)3 Ac2O3 + H2O
38. Ra + C RaC2
39. HfCl3 + Al HfCl2 + AlCl3
40. Zn + CrCl3 CrCl2 + ZnCl2
41. Ca(AlO2)2 + HCl AlCl3 + CaCl2 + H2O
42. BaCO3 + C + H2O CO + Ba(OH)2
43. CeO2 + KI + HCl KCl + CeCl3 + H2O + I2
44. Na + O2 Na2O
45. AsCl3 + H2O HCl + As(OH)3
46. MoO3 + Zn + H2SO4 Mo2O3 +ZnSO4 +H2O
47. Pb(CH3COO)2+K2CrO4PbCrO4+KCH3COO
48. NH3 + O2 H2O + NO2
Balance each of the following:
1. copper(II) carbonate decomposes to copper(II) oxide and carbon dioxide
2. sodium reacts with water to produce sodium hydroxide and hydrogen gas
3. ammonium nitrite decomposes to nitrogen gas and water
4. copper combines with sulfur to form copper(I) sulfide
5. silver nitrate reacts with sulfuric acid to produce silver sulfate and nitric acid
6. sulfuric acid decomposes to water and sulfur trioxide
7. calcium carbonate reacts with hydrochloric acid to produce calcium chloride, water, and carbon dioxide
8. ammonium nitrate decomposes to water and dinitrogen monoxide