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(NH4)2(SO4) + 2 K(OH) = K2(SO4) + 2 NH3 + 2 H(OH)
N2 + H2 = NH3 = NH3 =>
N2 + 3 H2 = 2 NH3
CuO + KOH = K2O + Cu(OH)2 =>
CuO + 2 KOH = K2O + Cu(OH)2
K2CO3 + SrNO3 = K2NO3 + SrCO3 =>
K2CO3 + SrNO3 = K2NO3 + SrCO3
SnCl2 + H2SO4 = SnCl4 + Sn(SO4) + SO2 + H2O =>
2 SnCl2 + 2 H2SO4 = SnCl4 + Sn(SO4) + SO2 + 2 H2O
Na2S(aq) + Co(NO3)2(aq) = NaNO3 + CoS(s) =>
Na2S(aq) + Co(NO3)2(aq) = 2 NaNO3 + CoS(s)
CaCO3 + H2OHCl = CaCl2 + H2O + CO2 =>
CaCO3 + 2 H2OHCl = CaCl2 + 3 H2O + CO2
Te + O2 = Te2O =>
4 Te + O2 = 2 Te2O
BaCl2 + K2CrO4 = BaCrO4 + K + Cl =>
BaCl2 + K2CrO4 = BaCrO4 + 2 K + 2 Cl
[Co(H2O)6]Cl2 + NH4Cl + NH3 = [Co(NH3)5Cl]Cl2 + H2O + H2 =>
2[Co(H2O)6]Cl2 + 2 NH4Cl + 8 NH3 = 2[Co(NH3)5Cl]Cl2 + 12 H2O + H2
SnCl2 + H2SO4 = SnCl4 + Sn(SO4) + SO2 + H2O =>
2 SnCl2 + 2 H2SO4 = SnCl4 + Sn(SO4) + SO2 + 2 H2O
Mg3N2(s) + H2O = MgO(s) + NH3(g) =>
Mg3N2(s) + 3 H2O = 3 MgO(s) + 2 NH3(g)
Na2SO4 + Ba(OH)2 = NaOH + SO4Ba =>
Na2SO4 + Ba(OH)2 = 2 NaOH + SO4Ba
CO2 + H2O + N2 = CHON + O2 =>
4 CO2 + 2 H2O + 2 N2 = 4 CHON + 3 O2
Ba(OH)2 + NaOH = Na + Ba(OH)3 =>
Ba(OH)2 + NaOH = Na + Ba(OH)3
Fe + (NO3)3 = Fe(NO3)3 =>
Fe + (NO3)3 = Fe(NO3)3
Fe(s) + H2O = Fe3O4 + H2(g) =>
3 Fe(s) + 4 H2O = Fe3O4 + 4 H2(g)
CrI3 = Cr + I =>
CrI3 = Cr + 3 I
Fe + Mg(SO4) = Fe(SO4) + Mg =>
Fe + Mg(SO4) = Fe(SO4) + Mg
SnCl2 + H2SO4 = SnCl4 + Sn(SO4) + SO2 + H2O =>
2 SnCl2 + 2 H2SO4 = SnCl4 + Sn(SO4) + SO2 + 2 H2O
K2Cr2O7 + H2SO4 + (CH3)3COH = K2Cr2O7H2SO4(CH3)3COH =>
K2Cr2O7 + H2SO4 + (CH3)3COH = K2Cr2O7H2SO4(CH3)3COH
Cl + NaI = NaCl + I =>
Cl + NaI = NaCl + I
Zn + Fe3(PO4)2 = Zn(PO4) + Fe =>
2 Zn + Fe3(PO4)2 = 2 Zn(PO4) + 3 Fe
Zn(s) + S8 = ZnS(s) =>
8 Zn(s) + S8 = 8 ZnS(s)
NH4Cl(aq) + CaSO3(aq) = (NH4)2SO3(s) + CaCl2(aq) =>
2 NH4Cl(aq) + CaSO3(aq) = (NH4)2SO3(s) + CaCl2(aq)
H2O + Fe(s) = Fe2O3(s) + H2(g) =>
3 H2O + 2 Fe(s) = Fe2O3(s) + 3 H2(g)
(NH4)2(SO4) + K(OH) = K2(SO4) + NH3 + H2O =>
(NH4)2(SO4) + 2 K(OH) = K2(SO4) + 2 NH3 + 2 H2O
CuO + NH4OH + (NH4)2SO4 = [Cu(NH3)4]SO4 + H2O =>
CuO + 2 NH4OH + (NH4)2SO4 = [Cu(NH3)4]SO4 + 3 H2O
Ge2O3 = Ge + O2 =>
2 Ge2O3 = 4 Ge + 3 O2
FeSO4 + NH4OH + Cl2 = Fe(OH)3 + NH4Cl + (NH4)2SO4 =>
2 FeSO4 + 6 NH4OH + Cl2 = 2 Fe(OH)3 + 2 NH4Cl + 2(NH4)2SO4
CrI3 = Cr + I =>
CrI3 = Cr + 3 I
C7H5NO3 + NaBH4 = C7H7NO3 + NaBH2 =>
C7H5NO3 + NaBH4 = C7H7NO3 + NaBH2
Fe(s) + H2O = Fe2O3 + H2(g) =>
2 Fe(s) + 3 H2O = Fe2O3 + 3 H2(g)
HNO3(aq) + Fe(OH)3 = H2O + Fe(NO3)3 =>
3 HNO3(aq) + Fe(OH)3 = 3 H2O + Fe(NO3)3
CuO + NH4OH + (NH4)2SO4 = Cu(NH3)4SO4 + H2O =>
CuO + 2 NH4OH + (NH4)2SO4 = Cu(NH3)4SO4 + 3 H2O
Zn + HCl = H2 + ZnCl2 =>
Zn + 2 HCl = H2 + ZnCl2
NH4Cl(aq) + CaSO3(aq) = CaCl2 + (NH4)2SO3 =>
2 NH4Cl(aq) + CaSO3(aq) = CaCl2 + (NH4)2SO3
Cl2 + H2O = HCl + HOCl =>
Cl2 + H2O = HCl + HOCl
Cd + PbO2 = CdO + Pb =>
2 Cd + PbO2 = 2 CdO + Pb
Fe + HCl = FeCl2 + H2 =>
Fe + 2 HCl = FeCl2 + H2
C7H5NO3 + NaBH4 = C7H7NO3 + BH3 + Na =>
C7H5NO3 + 2 NaBH4 = C7H7NO3 + 2 BH3 + 2 Na
Cd + PbO2 = CdO + Pb =>
2 Cd + PbO2 = 2 CdO + Pb
NH2OH + KMnO4 + H2SO4 = N2O + MnSO4 + K2SO4 + H2O =>
10 NH2OH + 4 KMnO4 + 6 H2SO4 = 5 N2O + 4 MnSO4 + 2 K2SO4 + 21 H2O
H2CO3(aq) + CaSO4(s) = H2SO4(aq) + CaCO3(s) =>
H2CO3(aq) + CaSO4(s) = H2SO4(aq) + CaCO3(s)
CuO + NH4OH + (NH4)2SO4 = [Cu(NH3)4] + SO4 + H2O =>
CuO + 2 NH4OH + (NH4)2SO4 = [Cu(NH3)4] + SO4 + 3 H2O
C6H10O5(s) + O2(s) = CO2 + H2O =>
C6H10O5(s) + 6 O2(s) = 6 CO2 + 5 H2O
OCl + H = Cl + H2O =>
OCl + 2 H = Cl + H2O
P4S3 = P4 + S8 =>
8 P4S3 = 8 P4 + 3 S8
CaO + HCl = CaCl2 + H2O =>
CaO + 2 HCl = CaCl2 + H2O
FeSO4 + K2O = FeO + K2SO4 =>
FeSO4 + K2O = FeO + K2SO4
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