2H2(g) + O2(g) → 2H2O(g)
2. Formation of carbon dioxide: Carbon and oxygen combine to form carbon dioxide.
C(s) + O2(g) → CO2(g)
3. Formation of sodium chloride: Sodium and chlorine gas combine to form sodium chloride.
2Na(s) + Cl2(g) → 2NaCl(s)
4. Formation of magnesium oxide: Magnesium and oxygen combine to form magnesium oxide.
2Mg(s) + O2(g) → 2MgO(s)
5. Formation of iron(III) oxide: Iron and oxygen combine to form iron(III) oxide.
4Fe(s) + 3O2(g) → 2Fe2O3(s)
6. Formation of copper(II) oxide: Copper and oxygen combine to form copper(II) oxide.
2Cu(s) + O2(g) → 2CuO(s)
7. Formation of silver oxide: Silver and oxygen combine to form silver oxide.
2Ag(s) + O2(g) → 2AgO(s)
8. Formation of gold oxide: Gold and oxygen combine to form gold oxide.
2Au(s) + 3O2(g) → 2Au2O3(s)
9. Formation of platinum oxide: Platinum and oxygen combine to form platinum oxide.
Pt(s) + O2(g) → PtO2(s)
10. Formation of nitrogen monoxide: Nitrogen and oxygen combine to form nitrogen monoxide.
N2(g) + O2(g) → 2NO(g)
11. Formation of nitric oxide: Nitrogen and oxygen combine to form nitric oxide.
N2(g) + 2O2(g) → 2NO2(g)
12. Formation of sulfur dioxide: Sulfur and oxygen combine to form sulfur dioxide.
S(s) + O2(g) → SO2(g)
13. Formation of sulfur trioxide: Sulfur and oxygen combine to form sulfur trioxide.
S(s) + 3O2(g) → SO3(g)
14. Formation of carbon monoxide: Carbon and oxygen combine to form carbon monoxide.
C(s) + O2(g) → CO(g)
15. Formation of hydrogen cyanide: Hydrogen and nitrogen combine to form hydrogen cyanide.
H2(g) + N2(g) → 2HCN(g)
16. Formation of ammonia: Nitrogen and hydrogen combine to form ammonia.
N2(g) + 3H2(g) → 2NH3(g)
17. Formation of hydrogen sulfide: Hydrogen and sulfur combine to form hydrogen sulfide.
H2(g) + S(s) → H2S(g)
18. Formation of water: Hydrogen and oxygen combine to form water.
2H2(g) + O2(g) → 2H2O(l)
19. Formation of methane: Carbon and hydrogen combine to form methane.
C(s) + 4H2(g) → CH4(g)
20. Formation of ethane: Carbon and hydrogen combine to form ethane.
2C(s) + 6H2(g) → C2H6(g)
