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Cu2S + PbO = Cu2O + PbS
NH2 + O3 = NO2 + H2O =>
NH2 + O3 = NO2 + H2O
FeSO4(s) + Ag(s) = Ag2SO4 + Fe =>
FeSO4(s) + 2 Ag(s) = Ag2SO4 + Fe
Fe + SO2 = Fe2SO2 =>
2 Fe + SO2 = Fe2SO2
NO2 + HCl = NOCl + H2O + Cl =>
NO2 + 2 HCl = NOCl + H2O + Cl
Mg3(PO4)2 + Fe(HO)3 = FePO4 + Mg(OH)2 =>
Mg3(PO4)2 + 2 Fe(HO)3 = 2 FePO4 + 3 Mg(OH)2
Co(OH)2 + MnO2 + H2O = Co(OH)3 + Mn{2+} + OH{-} =>
2 Co(OH)2 + MnO2 + 2 H2O = 2 Co(OH)3 + Mn{2+} + 2 OH{-}
C6H3N3O7 + O2 = CO2 + H2O + N2 =>
4 C6H3N3O7 + 13 O2 = 24 CO2 + 6 H2O + 6 N2
Ni3P4 = Ni + P =>
Ni3P4 = 3 Ni + 4 P
Na3VO4 + H2SO4 + Zn = VOSO4 + ZnSO4 + Na2SO4 + H2O =>
2 Na3VO4 + 6 H2SO4 + Zn = 2 VOSO4 + ZnSO4 + 3 Na2SO4 + 6 H2O
K2CO3 + Sr(NO3)2 = K(NO3) + Sr(CO3) =>
K2CO3 + Sr(NO3)2 = 2 K(NO3) + Sr(CO3)
NaHC4H4O6 + KCl = KHC4H4O6 + NaCl =>
NaHC4H4O6 + KCl = KHC4H4O6 + NaCl
MnO4{-} + SO3{2-} + H{+} = Mn{2+} + SO4{2-} + OH{-}\ =>
2 MnO4{-} + 5 SO3{2-} + 3 H{+} = 2 Mn{2+} + 5 SO4{2-} + 3 OH{-}\
H2SeO3 + Pb(OH)2 = Pb(HSeO3)2 + H2O =>
2 H2SeO3 + Pb(OH)2 = Pb(HSeO3)2 + 2 H2O
FeCl3 + CH3COONa = Fe(CH3COO)3 + NaCl =>
FeCl3 + 3 CH3COONa = Fe(CH3COO)3 + 3 NaCl
C4H8 + KMnO4 + H2SO4 = C4H8O2 + K2SO4 + MnSO4 + H2O =>
5 C4H8 + 4 KMnO4 + 6 H2SO4 = 5 C4H8O2 + 2 K2SO4 + 4 MnSO4 + 6 H2O
H3PO4 + CuO = Cu3(PO4)2 + H2O =>
2 H3PO4 + 3 CuO = Cu3(PO4)2 + 3 H2O
(NH4)2Cl2 + NaOH = NH3 + NaCl + H2O =>
(NH4)2Cl2 + 2 NaOH = 2 NH3 + 2 NaCl + 2 H2O
FeSO4(s) + Ag(s) = Ag2SO4 + Fe =>
FeSO4(s) + 2 Ag(s) = Ag2SO4 + Fe
NaHCO3 + (CH3CO)2O = CH3COOH + CH3COONa + CO2 =>
NaHCO3 + (CH3CO)2O = CH3COOH + CH3COONa + CO2
Hg2S2 + Ca2O = Hg + Ca2S2 + Ca2(SO4)2 =>
8 Hg2S2 + 8 Ca2O = 16 Hg + 7 Ca2S2 + Ca2(SO4)2
CO2H2O = H2CO3 =>
CO2H2O = H2CO3
HBr(aq) + LiOH(aq) = HBrLiOH =>
HBr(aq) + LiOH(aq) = HBrLiOH
Ag2Cr2O7 + HNO3 = H2Cr2O7 + AgNO3 =>
Ag2Cr2O7 + 2 HNO3 = H2Cr2O7 + 2 AgNO3
(CH3CH2CH2CH3)1 + O2 = (C2H2(CO)2O)1 + H2O =>
2(CH3CH2CH2CH3)1 + 7 O2 = 2(C2H2(CO)2O)1 + 8 H2O
CrI3 + Cl2 + NaOH = Na2CrO4 + NaIO4 + ClNa + H2O =>
2 CrI3 + 27 Cl2 + 64 NaOH = 2 Na2CrO4 + 6 NaIO4 + 54 ClNa + 32 H2O
HNO2 + Rb2O = RbNO2 + H2O =>
2 HNO2 + Rb2O = 2 RbNO2 + H2O
CuCl2 + HF = CuF2 + HCl =>
CuCl2 + 2 HF = CuF2 + 2 HCl
BaCl2(aq) + Fe2(SO4)3(aq) = BaSO4(s) + FeCl3(aq) =>
3 BaCl2(aq) + Fe2(SO4)3(aq) = 3 BaSO4(s) + 2 FeCl3(aq)
K2Cr2O7 + CH3CH2OH + H2SO4 = Cr2(SO4)3 + K2SO4 + CHCOOH + H2O =>
K2Cr2O7 + CH3CH2OH + 4 H2SO4 = Cr2(SO4)3 + K2SO4 + CHCOOH + 6 H2O
Fe(aq) + SCN(aq) = FeSCN(aq) =>
Fe(aq) + SCN(aq) = FeSCN(aq)
CuSO4 + Ag = Ag2SO4 + Cu =>
CuSO4 + 2 Ag = Ag2SO4 + Cu
Ag2Cr2O7 + HNO3 = H2Cr2O7 + AgNO3 =>
Ag2Cr2O7 + 2 HNO3 = H2Cr2O7 + 2 AgNO3
potassiumsulfate + magnesium = magnesiumsulfate + potassium =>
K2SO4 + Mg = MgSO4 + 2 K
HCl + Ni(CO3) = NiCl2 + H2(CO3) =>
2 HCl + Ni(CO3) = NiCl2 + H2(CO3)
I2 + KOH = KI + H2O + KIO3 =>
3 I2 + 6 KOH = 5 KI + 3 H2O + KIO3
Pb(NO3)2 + NH4OH = Pb(OH)2 + NH4NO3 =>
Pb(NO3)2 + 2 NH4OH = Pb(OH)2 + 2 NH4NO3
Ca(OH)2 + (NH4)3PO3 = Ca3(PO3)2 + NH4OH =>
3 Ca(OH)2 + 2(NH4)3PO3 = Ca3(PO3)2 + 6 NH4OH
PO4 + MoO4 + H = (PMo12O4) + H2O =>
PO4 + 12 MoO4 + 96 H = (PMo12O4) + 48 H2O
C3H6 + O2 = CO2*H2O =>
2 C3H6 + 9 O2 = 6 CO2*H2O
C2 + H4 = C2H6 =>
2 C2 + 3 H4 = 2 C2H6
O + Pb = OPb =>
O + Pb = OPb
FeCl3 + K3Fe(CN)6 = FeK(Fe(CN)6) + K2Cl3 =>
FeCl3 + K3Fe(CN)6 = FeK(Fe(CN)6) + K2Cl3
Fe(NO3)3 + Na2S = Na2(NO3)3 + FeS =>
Fe(NO3)3 + Na2S = Na2(NO3)3 + FeS
MnCr(O)4 + Sr(Cl)2 = Mn(Cl)2 + SrCr(O)4 =>
MnCr(O)4 + Sr(Cl)2 = Mn(Cl)2 + SrCr(O)4
ZrO2(aq) + NaOH(aq) = Na2ZrO3(s) + H2O(l) =>
ZrO2(aq) + 2 NaOH(aq) = Na2ZrO3(s) + H2O(l)
SnO + HNO3 = SnO2 + NO + H2O =>
3 SnO + 2 HNO3 = 3 SnO2 + 2 NO + H2O
Al(OH)3 + CH2O3 = H2O + AlCH3O5 =>
Al(OH)3 + CH2O3 = H2O + AlCH3O5
H2SO4 + CH3CH2NH2 = CH3CH2NH3SO4 + H =>
H2SO4 + CH3CH2NH2 = CH3CH2NH3SO4 + H
CS2(l) + SCl2(l) = CCl4(l) + S8(s) =>
2 CS2(l) + 4 SCl2(l) = 2 CCl4(l) + S8(s)
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