Răspuns:
2NH3 + H2S => (NH 4)2S
K2O + H2O => 2KOH
H2+ F2=> 2HF
3Cl2 + 2Fe=> 2FeCl3
CO2+ H2O => H2CO3
Cr2O3 + 3 H2O => 2 Cr(OH)3
N2+ 3Ca => Ca3N2
NH3 +HNO3=> NH4NO3
SO2+ H2O => H2SO3
H2+ Cl2=> 2HCl
2Al+3S=> Al2S3
4Na+ O2=> 2Na2O
Mg+ Br2=> MgBr2
S+ 2K=> K2S
N2+ 3H2=> 2NH3
Ca+ I2=> CaI2
Na2+H2O=> 2NaOH
4Fe+ 3O2=> 2Fe2O3
N2O5 + H2O =>2 HNO3
CaO+ H2O => Ca(OH)2
O2+ 2Cu=> 2CuO
2 N2 + 5 O2 => 2 N2O5
2 NH3 + H2SO3 => (NH 4)2 SO3
2Al+ 3Cl2 =>2 AlCl3
H2+ I2=> 2HI
Ca+ I2=> CaI2
H2+ Br2=> 2HBr
3NH3+ H3PO4 => (NH4)3PO4
O2 + 2Zn=> 2ZnO
CuO+ H2O => Cu(OH)2
Cl2 + 2Na=> 2NaCl
N2O3 + H2O =>2 HNO2
Ni2O+ H2O => 2NiOH
P4+ 5O2=> 2P2O5
2Fe + 3S => Fe2S3
2 Cr + 3 Cl2 => 2 Cr Cl3
3 Mg + N2 => Mg3N2
2Sn+ O2=> 2SnO
NH3 + HCN=> NH4C N
Zn+ I2=> ZnI2
Fe2O3 + 3H2O => 2Fe(OH)3
2NH3 + H2CO3 => (NH4)2CO3
SO3 + H2O => H2SO4
4K+ O2=> 2K2O
6Na + N2 => 2Na3N
H2+ Br2=> 2HBr
P2O5+ 3H2O =>2H3PO4
3NH3+ H3PO3 => (NH4)3PO3
4Si + O2=>2 Si2O
P4 +5 O2=>2 P2O5
2Al+ 3Br2=> 2AlBr3