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PbS + Na2SO4 = PbSO4 + Na2S
KOH + H2SO4 = K(SO4) + H2(OH) =>
KOH + H2SO4 = K(SO4) + H2(OH)
CaCO3(ac) + HCl(ac) = CaCl2(ac) + H2CO3(ac) =>
CaCO3(ac) + 2 HCl(ac) = CaCl2(ac) + H2CO3(ac)
NaHCO3 + H2O2 = NaHCO4 + H2O =>
NaHCO3 + H2O2 = NaHCO4 + H2O
C4H10 + O2 = O2C + H2O =>
2 C4H10 + 13 O2 = 8 O2C + 10 H2O
MgCrO4 + NaOH = Mg(OH)2 + Na2CrO4 =>
MgCrO4 + 2 NaOH = Mg(OH)2 + Na2CrO4
Fe + H2O + NiO2 = FeOH + Ni(OH)2 =>
2 Fe + 2 H2O + NiO2 = 2 FeOH + Ni(OH)2
Ti + SO2 + O2 = Ti2(SO4)3 =>
2 Ti + 3 SO2 + 3 O2 = Ti2(SO4)3
CH3CH2Br + Br2 = C2H4Br2 + HBr =>
CH3CH2Br + Br2 = C2H4Br2 + HBr
Cl2O3 + O2 = Cl2O5 =>
Cl2O3 + O2 = Cl2O5
Pb3O4 + HNO3 = Pb(NO3)2 + PbO2 + H =>
Pb3O4 + 2 HNO3 = Pb(NO3)2 + 2 PbO2 + 2 H
C2H5OH + PBt3 = C2H5Bt + H3PO3 =>
3 C2H5OH + PBt3 = 3 C2H5Bt + H3PO3
Cr(OH)2 + KOH = K2[Cr(OH)4] =>
Cr(OH)2 + 2 KOH = K2[Cr(OH)4]
MgCO3 + Cl2 = MgCl + CO3 =>
2 MgCO3 + Cl2 = 2 MgCl + 2 CO3
Fe3O4 + CO = FeO + CO2 =>
Fe3O4 + CO = 3 FeO + CO2
Ba(CH3COO)2 + NaOH = BaOH + Na(CH3COO)2 =>
Ba(CH3COO)2 + NaOH = BaOH + Na(CH3COO)2
C67H8 + O2 = CO2 + H2O =>
C67H8 + 69 O2 = 67 CO2 + 4 H2O
Ba(NO)3 + FeSO4 = BaSO4 + Fe(NO)3 =>
Ba(NO)3 + FeSO4 = BaSO4 + Fe(NO)3
(NH4)2CO3 + Ca(NO3)2 = CaCO3 + NH4NO3 =>
(NH4)2CO3 + Ca(NO3)2 = CaCO3 + 2 NH4NO3
CH3OH + O2 = CO2 + H2O =>
2 CH3OH + 3 O2 = 2 CO2 + 4 H2O
CH3(CH2)2CH2Br + AgNO3 = CH3(CH2)2CH2ONO2 + AgBr =>
CH3(CH2)2CH2Br + AgNO3 = CH3(CH2)2CH2ONO2 + AgBr
NH3 + CaCl2(fused) = CaCl2NH3 =>
NH3 + CaCl2(fused) = CaCl2NH3
ZnSO4 + NaHS = ZnS + NaHSO4 =>
ZnSO4 + NaHS = ZnS + NaHSO4
HNO2 + SbO{+} + OH{-} = NO + Sb2O5 + H2O =>
4 HNO2 + 2 SbO{+} + 2 OH{-} = 4 NO + Sb2O5 + 3 H2O
B2O3 + C + Cl = BCl3 + CO2 =>
2 B2O3 + 3 C + 12 Cl = 4 BCl3 + 3 CO2
Ga(NO3)3 + Fe(OH)3 = Ga(OH)3 + Fe(NO3)3 =>
Ga(NO3)3 + Fe(OH)3 = Ga(OH)3 + Fe(NO3)3
NaOH + Li2SO4 = LiOH + Na2SO4 =>
2 NaOH + Li2SO4 = 2 LiOH + Na2SO4
NaOH + H2CO3 = Na2CO3 + H2O =>
2 NaOH + H2CO3 = Na2CO3 + 2 H2O
Pb + HCl + H2O = PbCl2 + H3O =>
Pb + 2 HCl + 2 H2O = PbCl2 + 2 H3O
C3H6 + Na = NaC3H6 =>
C3H6 + Na = NaC3H6
C8H10 + H2O = CH4 + CO2 =>
4 C8H10 + 22 H2O = 21 CH4 + 11 CO2
Zn + AgNO3 = Ag + Zn(NO3)3 =>
Zn + 3 AgNO3 = 3 Ag + Zn(NO3)3
[Cu(NH3)4]SO4(aq) + H2SO4 = CuSO4 + (NH4)2SO4 =>
[Cu(NH3)4]SO4(aq) + 2 H2SO4 = CuSO4 + 2(NH4)2SO4
Cr2S3 + H2SO4 = Cr2(SO4)3 + H2S =>
Cr2S3 + 3 H2SO4 = Cr2(SO4)3 + 3 H2S
Lu2O3 + TiO2 + Ti2O3 + TiF3 = Lu16Ti16O49F7 =>
24 Lu2O3 + 27 TiO2 + 7 Ti2O3 + 7 TiF3 = 3 Lu16Ti16O49F7
HgO9 = Hg + O2 =>
2 HgO9 = 2 Hg + 9 O2
(NH4)2Cr2O7 + Pb(NO3)2 = PbCr2O7 + NH4NO3 =>
(NH4)2Cr2O7 + Pb(NO3)2 = PbCr2O7 + 2 NH4NO3
HCP + H2O = CH4 + H3PO3 =>
HCP + 3 H2O = CH4 + H3PO3
CH2 = CHCH3 = CH = {-}CCH3 =>
2 CH2 = CHCH3
H2SO4 + HCl = H2ClO4 + HS =>
H2SO4 + HCl = H2ClO4 + HS
Ni + NaBr = Na + NiBr2 =>
Ni + 2 NaBr = 2 Na + NiBr2
Ca + P = Ca3P2 =>
3 Ca + 2 P = Ca3P2
K2S + HNO2 = KNO2 + H2S =>
K2S + 2 HNO2 = 2 KNO2 + H2S
Ca(OH)2 + S = CaS5 + CaS2O3 + H2O =>
3 Ca(OH)2 + 12 S = 2 CaS5 + CaS2O3 + 3 H2O
GeO2 + SeO2 = GeSe2 + O2 =>
GeO2 + 2 SeO2 = GeSe2 + 3 O2
Br2 + NaI = NaBr + I2 =>
Br2 + 2 NaI = 2 NaBr + I2
FeCl2 + K3[Fe(CN)6] = K3Cl2 + Fe[Fe(CN)6] =>
FeCl2 + K3[Fe(CN)6] = K3Cl2 + Fe[Fe(CN)6]
(NH4)2CO3 + KOH = NH3 + H2O + K2(CO3) =>
(NH4)2CO3 + 2 KOH = 2 NH3 + 2 H2O + K2(CO3)
PBO2 + NaOH = Na2PBO3 + H2O =>
PBO2 + 2 NaOH = Na2PBO3 + H2O
Ba(NO3)2 + Li2CrO4 = BaCrO4 + LiNO3 =>
Ba(NO3)2 + Li2CrO4 = BaCrO4 + 2 LiNO3
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