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4 K + S2 = 2 K2S
NH4VO3 + (NH4)2S + HCl = V2S5 + NH4Cl + H2O =>
2 NH4VO3 + 5(NH4)2S + 12 HCl = V2S5 + 12 NH4Cl + 6 H2O
CdS = Cd + S =>
CdS = Cd + S
Na2SO3 + Ca(OCl)2 = CaCl2 + Na2SO4 =>
2 Na2SO3 + Ca(OCl)2 = CaCl2 + 2 Na2SO4
LiH + H2O = LiOH + H =>
LiH + H2O = LiOH + 2 H
CH4 + O2 = CO2 + H2O =>
CH4 + 2 O2 = CO2 + 2 H2O
Co(OH)2 + NH3 = [Co(NH3){2+}] + OH{-} =>
Co(OH)2 + NH3 = [Co(NH3){2+}] + 2 OH{-}
HBr + NaOH = NaBr + H2O =>
HBr + NaOH = NaBr + H2O
C2H7OH + O2 = CO2 + H2O =>
2 C2H7OH + 7 O2 = 4 CO2 + 8 H2O
Ca3(PO4)2 + SiO2 + C = CaSiO3 + P4 + CO =>
2 Ca3(PO4)2 + 6 SiO2 + 10 C = 6 CaSiO3 + P4 + 10 CO
SOCl2 + H2O = SO2 + HCl =>
SOCl2 + H2O = SO2 + 2 HCl
C3H8O3 + Na = C3H5(ONa)3 + H2 =>
2 C3H8O3 + 6 Na = 2 C3H5(ONa)3 + 3 H2
CrOH3 + KOH + O3 = KCr(OH)4 =>
3 CrOH3 + 3 KOH + 2 O3 = 3 KCr(OH)4
HCL(aq) + LIOH(aq) = H2O(l) + LICL(aq) =>
HCL(aq) + LIOH(aq) = H2O(l) + LICL(aq)
CS2 + O2 = CO2 + SO2 =>
CS2 + 3 O2 = CO2 + 2 SO2
Pb(NO3)2 + C2H4O2 = Pb(C2H3O2)2 + HNO3 =>
Pb(NO3)2 + 2 C2H4O2 = Pb(C2H3O2)2 + 2 HNO3
AlAl + H2SO4 = Al2(SO4)3 + H2 =>
AlAl + 3 H2SO4 = Al2(SO4)3 + 3 H2
NH4 + Mg + PO4 + H2O = NH4MgPO4*6H2O =>
NH4 + Mg + PO4 + 6 H2O = NH4MgPO4*6H2O
Pb(s) + HCl(l) = H2 + PbCl2 =>
Pb(s) + 2 HCl(l) = H2 + PbCl2
Cr2O3 + H2SO4 = Cr2(SO4)3 + (H2O) =>
Cr2O3 + 3 H2SO4 = Cr2(SO4)3 + 3(H2O)
Sr(NO3)2 + O2 = SrO + NO3 =>
2 Sr(NO3)2 + O2 = 2 SrO + 4 NO3
CdS + O2 = CdO + S2 =>
2 CdS + O2 = 2 CdO + S2
FeS2 + H2O = Fe{3+} + SO4{2-} + H{+} + e =>
FeS2 + 8 H2O = Fe{3+} + 2 SO4{2-} + 16 H{+} + 15e
Ca3(PO4)2 + SiO2 + C = CaSiO3 + CO + P =>
Ca3(PO4)2 + 3 SiO2 + 5 C = 3 CaSiO3 + 5 CO + 2 P
NiSO4 + (NH4)2S = Ni2S + (NH4)SO4 =>
2 NiSO4 + (NH4)2S = Ni2S + 2(NH4)SO4
Co(OH)2 + Br2 + OH{-} = CoO(OH) + Br{-} + H2O =>
2 Co(OH)2 + Br2 + 2 OH{-} = 2 CoO(OH) + 2 Br{-} + 2 H2O
FeBr3(aq) + NaOH(aq) = Fe(OH) + NaBr3 =>
FeBr3(aq) + NaOH(aq) = Fe(OH) + NaBr3
La2O3 + LaCl3 + WO3 + LiI = LiLa3Cl3WO6 + I2 =>
2 La2O3 + 2 LaCl3 + 2 WO3 + 2 LiI = 2 LiLa3Cl3WO6 + I2
CU + HNO3 = CUHNO3 =>
CU + HNO3 = CUHNO3
H2O + PbCl2 = HCl + PbO =>
H2O + PbCl2 = 2 HCl + PbO
Co(NO3)2*2H2O = Co2O3 + NO2 + O2 + H2O =>
4 Co(NO3)2*2H2O = 2 Co2O3 + 8 NO2 + O2 + 8 H2O
NaCl + F2 = NaF + Cl2 =>
2 NaCl + F2 = 2 NaF + Cl2
Ag2SiO3 + CH3COOH = AgCH3COO + H2SiO3 =>
Ag2SiO3 + 2 CH3COOH = 2 AgCH3COO + H2SiO3
H2(SO4) + (NH4)OH = (NH4)2SO4 + H2O =>
H2(SO4) + 2(NH4)OH = (NH4)2SO4 + 2 H2O
Ca + Cl2 + O2 = CaClO4 =>
2 Ca + Cl2 + 4 O2 = 2 CaClO4
HCl + VO2Cl + Zn = VOCl2 + ZnCl2 + H2O =>
4 HCl + 2 VO2Cl + Zn = 2 VOCl2 + ZnCl2 + 2 H2O
Ag3CuS2 + HNO3 = AgNO3 + Cu(NO3)2 + NO2 + H2SO4 + H2O =>
Ag3CuS2 + 22 HNO3 = 3 AgNO3 + Cu(NO3)2 + 17 NO2 + 2 H2SO4 + 9 H2O
Ca(OH)2 + H3PO4 = Ca3(PO4)2 + H2O =>
3 Ca(OH)2 + 2 H3PO4 = Ca3(PO4)2 + 6 H2O
LiCl + Ni2(SO4)3 = Li2SO4 + NiCl3 =>
6 LiCl + Ni2(SO4)3 = 3 Li2SO4 + 2 NiCl3
Cr2(CO3)2 + Na4SiO4 = Cr2SiO4 + Na4(CO3)2 =>
Cr2(CO3)2 + Na4SiO4 = Cr2SiO4 + Na4(CO3)2
Pb + Fe(NO3)3 = Pb(NO3)2 + Fe =>
3 Pb + 2 Fe(NO3)3 = 3 Pb(NO3)2 + 2 Fe
Al2O3 = Al + O2 =>
2 Al2O3 = 4 Al + 3 O2
Fe + H2O = Fe3O4 + H2 =>
3 Fe + 4 H2O = Fe3O4 + 4 H2
H2 + O2 = H2O =>
2 H2 + O2 = 2 H2O
AgNO3 + KCl = AgCl + KNO3 =>
AgNO3 + KCl = AgCl + KNO3
Ba(OH)2 + NH4SCN = NH3 + H2O + Ba(SCN)2 =>
Ba(OH)2 + 2 NH4SCN = 2 NH3 + 2 H2O + Ba(SCN)2
KMnO4 + Na2SO3 + H2O = MnO2 + Na2SO4 + KOH =>
2 KMnO4 + 3 Na2SO3 + H2O = 2 MnO2 + 3 Na2SO4 + 2 KOH
CH3CH2C(OH)(CH3)2 + HCl = CH3CH2C(Cl)(CH3)2 + H2O =>
CH3CH2C(OH)(CH3)2 + HCl = CH3CH2C(Cl)(CH3)2 + H2O
Al + NaNO2 + NaOH = Na3AlO3 + NH3 + H2O =>
2 Al + NaNO2 + 5 NaOH = 2 Na3AlO3 + NH3 + H2O
Rb + LiCl = RbCl + Li =>
Rb + LiCl = RbCl + Li
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