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Na2S + 2 Cu(SO4) = 2 Na(SO4) + Cu2S
Ba + ZnCl2 = BaCl2 + Zn =>
Ba + ZnCl2 = BaCl2 + Zn
Pb(NO3)2 = PbO + N02 + O2 =>
2 Pb(NO3)2 = 2 PbO + 2 N02 + 5 O2
Zn(NO3)2HCl = ZnClH(NO3)2 =>
Zn(NO3)2HCl = ZnClH(NO3)2
BaNO3(aq) + NaOH(aq) = BaOH(s) + NaNO3(aq) =>
BaNO3(aq) + NaOH(aq) = BaOH(s) + NaNO3(aq)
N29 = N =>
N29 = 29 N
PbCO3 + NaOH = Pb(OH)2 + Na2CO3 =>
PbCO3 + 2 NaOH = Pb(OH)2 + Na2CO3
H2CO3(s) = CO2 + H2O =>
H2CO3(s) = CO2 + H2O
Fe{+3} + NaOH = Fe(OH)3 + Na{+} =>
Fe{+3} + 3 NaOH = Fe(OH)3 + 3 Na{+}
C5H4O2 + CH5N3O = C6H7N3O2 + H2O =>
C5H4O2 + CH5N3O = C6H7N3O2 + H2O
HCN + Hg(OH)2 = Hg(CN)2 + H2O =>
2 HCN + Hg(OH)2 = Hg(CN)2 + 2 H2O
HNO3H2O = H3NO4 =>
HNO3H2O = H3NO4
Na + Cl = Na{+} + Cl{-} =>
Na + Cl = Na{+} + Cl{-}
HCO3 + HCl = H2O + CO + Cl =>
HCO3 + 3 HCl = 2 H2O + CO + 3 Cl
ZnCl2 + KOH = KCl + Zn(OH)2 =>
ZnCl2 + 2 KOH = 2 KCl + Zn(OH)2
BaCl2 + K2SO4 = KCl + BaSO4 =>
BaCl2 + K2SO4 = 2 KCl + BaSO4
C4H6(OH)2 + H2O2 = C4H6O2 + H2O =>
C4H6(OH)2 + H2O2 = C4H6O2 + 2 H2O
SnCl2(aq) + Co(s) = Sn(s) + CoCl2(aq) =>
SnCl2(aq) + Co(s) = Sn(s) + CoCl2(aq)
ZnPbNO3{2} = ZnNO3Pb{2} =>
ZnPbNO3{2} = ZnNO3Pb{2}
Al{-} + Cu{2,+} = Al{3+} + Cu =>
Al{-} + 2 Cu{2,+} = Al{3+} + 2 Cu
Mn + O = Mn2O3 =>
2 Mn + 3 O = Mn2O3
Ag2(NO3)2 + NaCl = AgCl(s) + NaNO3 =>
Ag2(NO3)2 + 2 NaCl = 2 AgCl(s) + 2 NaNO3
Fe + CuNO3 = Cu + Fe(NO3)2 =>
Fe + 2 CuNO3 = 2 Cu + Fe(NO3)2
Al + KMnO4 + H2SO4 = MnSO4 + K2SO4 + Al2(SO4)3 + H2O =>
10 Al + 6 KMnO4 + 24 H2SO4 = 6 MnSO4 + 3 K2SO4 + 5 Al2(SO4)3 + 24 H2O
H2CO3 + H2O = H3CO3 + OH =>
H2CO3 + H2O = H3CO3 + OH
Pb(NO3)2 + Cs = CsNO3 + Pb =>
Pb(NO3)2 + 2 Cs = 2 CsNO3 + Pb
FeS + KMnO4 + H2SO4 = Fe2(SO4)3 + K2(SO4) + MnSO4 + H2O =>
10 FeS + 18 KMnO4 + 32 H2SO4 = 5 Fe2(SO4)3 + 9 K2(SO4) + 18 MnSO4 + 32 H2O
H3PO4 + MgO2H2 = Mg3(PO4)2 + H2O =>
2 H3PO4 + 3 MgO2H2 = Mg3(PO4)2 + 6 H2O
C13H164OH + O2 = CO2 + H2O =>
4 C13H164OH + 215 O2 = 52 CO2 + 330 H2O
(CH2)6N4 + HNO3 = (CH2)3N3(NO2)3 + HCOH + NH3 =>
(CH2)6N4 + 3 HNO3 = (CH2)3N3(NO2)3 + 3 HCOH + NH3
CH3COOH + NaHCO3 = CH3COONa + H2OCO2 =>
CH3COOH + NaHCO3 = CH3COONa + H2OCO2
Na + O2 = NaO2 =>
Na + O2 = NaO2
Co(NO3)3(aq) + K2CO3(aq) = Co2(CO3)3 + KNO3 =>
2 Co(NO3)3(aq) + 3 K2CO3(aq) = Co2(CO3)3 + 6 KNO3
C6H15N + H2O = CO2 + CH4 + NH3 =>
2 C6H15N + 6 H2O = 3 CO2 + 9 CH4 + 2 NH3
H2C2O4 + KMnO4 + H2SO4 = MnSO4 + K2SO4 + CO2 + H2O =>
5 H2C2O4 + 2 KMnO4 + 3 H2SO4 = 2 MnSO4 + K2SO4 + 10 CO2 + 8 H2O
Na2Zn(OH)4 = ZnO + NaOH + H2O =>
Na2Zn(OH)4 = ZnO + 2 NaOH + H2O
C999999H8 + O2 = CO2 + H2O =>
C999999H8 + 1000001 O2 = 999999 CO2 + 4 H2O
FeCl3 + NH3OHCl = FeCl2 + HCl + H2O + N2O =>
4 FeCl3 + 2 NH3OHCl = 4 FeCl2 + 6 HCl + H2O + N2O
H3P = H2 + P4 =>
4 H3P = 6 H2 + P4
Mg + Cr2(SO4)3 = MgSO4 + Cr =>
3 Mg + Cr2(SO4)3 = 3 MgSO4 + 2 Cr
HPO4{-2} + Ca(OH)2 = Ca3(PO4)2 + H2O + OH{-} =>
2 HPO4{-2} + 3 Ca(OH)2 = Ca3(PO4)2 + 2 H2O + 4 OH{-}
Cr + O2 = Cr2O3 =>
4 Cr + 3 O2 = 2 Cr2O3
(NH4)2SO4 + KOH = K2SO4 + H2O + NH3 =>
(NH4)2SO4 + 2 KOH = K2SO4 + 2 H2O + 2 NH3
C6H5COOH + NaOH = NaC6H5 + H2O + CO2 =>
C6H5COOH + NaOH = NaC6H5 + H2O + CO2
Al + KClO3 + KOH = K3AlO3 + KCl + H2O =>
2 Al + KClO3 + 6 KOH = 2 K3AlO3 + KCl + 3 H2O
K4Fe(CN)6 + FeSO4 = Fe2(Fe(CN)6) + K2SO4 =>
K4Fe(CN)6 + 2 FeSO4 = Fe2(Fe(CN)6) + 2 K2SO4
S2O2 + O2 = SO2 =>
S2O2 + O2 = 2 SO2
TiCl4 + Br2 = TiBr4 + Cl2 =>
TiCl4 + 2 Br2 = TiBr4 + 2 Cl2
BaO2 + C = BaO + CO2 =>
2 BaO2 + C = 2 BaO + CO2
FeS(s) + HCl(aq) = H2S(g) + FeCl2(aq) =>
FeS(s) + 2 HCl(aq) = H2S(g) + FeCl2(aq)
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