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Na2CO3 + O2 = O2CO3 + Na2
HNO3 + Se = H2SeO3 + NO2 + H2O =>
4 HNO3 + Se = H2SeO3 + 4 NO2 + H2O
Al + H{+} = Al3{+} + H2 =>
6 Al + 2 H{+} = 2 Al3{+} + H2
CH3CH2COOH + C3H8OH = CH3CH2COOC3H8OH + H2 =>
2 CH3CH2COOH + 2 C3H8OH = 2 CH3CH2COOC3H8OH + H2
NaHCO3 + H3PO4 = Na3PO4 + CO2 + H2O =>
3 NaHCO3 + H3PO4 = Na3PO4 + 3 CO2 + 3 H2O
C12H22O11(aq) + H2O(l) = C2H5OH(aq) + CO2(g) =>
C12H22O11(aq) + H2O(l) = 4 C2H5OH(aq) + 4 CO2(g)
(NH4)2SO4(aq) + Sr(NO3)2(aq) = SrSO4 + NH4NO3 =>
(NH4)2SO4(aq) + Sr(NO3)2(aq) = SrSO4 + 2 NH4NO3
Al(HSO3)3 = H2O + SO2 + Al2(SO3)3 =>
2 Al(HSO3)3 = 3 H2O + 3 SO2 + Al2(SO3)3
Zr + HBr = ZrBr2 + H2 =>
Zr + 2 HBr = ZrBr2 + H2
Ca(OCI)2 + KI + HCI = I2 + Ca(CI)2 + KCI + H2O =>
Ca(OCI)2 + 4 KI + 4 HCI = 2 I2 + Ca(CI)2 + 4 KCI + 2 H2O
Ta + HNO3 + HF = H2[TaF7] + NO + H2O =>
3 Ta + 5 HNO3 + 21 HF = 3 H2[TaF7] + 5 NO + 10 H2O
Na + H2O = NaOH + H2 =>
2 Na + 2 H2O = 2 NaOH + H2
Zn(CH3CO2)2 + Na2S = NaCH3CO2 + ZnS =>
Zn(CH3CO2)2 + Na2S = 2 NaCH3CO2 + ZnS
HCl4 + CC7H5O2 = CCl4 + HC7H5O2 =>
HCl4 + CC7H5O2 = CCl4 + HC7H5O2
Cr2 + CO = Cr2CO =>
Cr2 + CO = Cr2CO
Al + Mg(OH)2 = MgAl + (OH)2 =>
Al + Mg(OH)2 = MgAl + (OH)2
Zn(CH3CO2)2 + Na2S = NaCH3CO2 + ZnS =>
Zn(CH3CO2)2 + Na2S = 2 NaCH3CO2 + ZnS
Sb2O3 + NH4Cl + H2O = SbCl3 + NH4(OH) =>
Sb2O3 + 6 NH4Cl + 3 H2O = 2 SbCl3 + 6 NH4(OH)
Zn(OH)2 + OH{-} = HZnO2{-} + H2O =>
Zn(OH)2 + OH{-} = HZnO2{-} + H2O
BaCl2 + Al2(SO4)3 = BaSO4 + AlCl3 =>
3 BaCl2 + Al2(SO4)3 = 3 BaSO4 + 2 AlCl3
SnO + Al = Al2O3 + Sn =>
3 SnO + 2 Al = Al2O3 + 3 Sn
Zn(CH3CO2)2 + Na2S = NaCH3CO2 + ZnS =>
Zn(CH3CO2)2 + Na2S = 2 NaCH3CO2 + ZnS
Na2S2O3 + I2 = Na2S4O6 + NaI =>
2 Na2S2O3 + I2 = Na2S4O6 + 2 NaI
C = C32 =>
32 C = C32
C6H9N + CH3CH2COOH = C5H10 + CH3CH2COOCN =>
C6H9N + CH3CH2COOH = C5H10 + CH3CH2COOCN
FeCl3 + KSCN = Fe(SCN)3 + KCl =>
FeCl3 + 3 KSCN = Fe(SCN)3 + 3 KCl
CaOCl2 + H2O = Ca + HClO =>
CaOCl2 + H2O = Ca + 2 HClO
PbO + Al = Al2O3 + Pb =>
3 PbO + 2 Al = Al2O3 + 3 Pb
NaI + Pb(SO4) = PbI2 + Na2SO4 =>
2 NaI + Pb(SO4) = PbI2 + Na2SO4
Zn + HNO3 = Zn(NO3)2 + H2O + NH4N =>
7 Zn + 16 HNO3 = 7 Zn(NO3)2 + 6 H2O + NH4N
Cu2 + SO3 = Cu2O + SO2 =>
Cu2 + SO3 = Cu2O + SO2
C2H2COOH + CH3OH = C2H5COOH3 + H2O =>
2 C2H2COOH + 15 CH3OH = 7 C2H5COOH3 + 5 H2O
Na2[Cu(OH)4] + NH4Cl = NaCl + NH3 + CuCl2 + H2O =>
Na2[Cu(OH)4] + 4 NH4Cl = 2 NaCl + 4 NH3 + CuCl2 + 4 H2O
KMnO4 + H2SO3 + KOH = H2SO4 + K2MnO4 + H2O =>
2 KMnO4 + H2SO3 + 2 KOH = H2SO4 + 2 K2MnO4 + H2O
Cu + S2 = SCu2 =>
4 Cu + S2 = 2 SCu2
Al(s) + H2SO4(aq) = H2(g) + Al2(SO4)3(aq) =>
2 Al(s) + 3 H2SO4(aq) = 3 H2(g) + Al2(SO4)3(aq)
CuBr2 + H3PO4 = CuHPO4 + HBr =>
CuBr2 + H3PO4 = CuHPO4 + 2 HBr
HNO3 + I{-} = I2 + NO2 + H2O + NO3{-} =>
4 HNO3 + 2 I{-} = I2 + 2 NO2 + 2 H2O + 2 NO3{-}
Cu + HNO3 = Cu(NO3)2 + NO2 + H2O =>
Cu + 4 HNO3 = Cu(NO3)2 + 2 NO2 + 2 H2O
C4H6O3 + C2H5ONa + HCl = NaCl + H2O + C6H8O2 =>
C4H6O3 + C2H5ONa + HCl = NaCl + 2 H2O + C6H8O2
H{+} + Th + NO3{-} = ThO2 + N2O + H2O =>
2 H{+} + 2 Th + 2 NO3{-} = 2 ThO2 + N2O + H2O
N2 + H2 = NH3 =>
N2 + 3 H2 = 2 NH3
Al + HCl = AlCl2 + H =>
Al + 2 HCl = AlCl2 + 2 H
V2O5 + HCl = VCl2 + Cl2 + H2O =>
V2O5 + 10 HCl = 2 VCl2 + 3 Cl2 + 5 H2O
N2O5 + H2SO3 = N2SO3 + H2O5 =>
N2O5 + H2SO3 = N2SO3 + H2O5
Ni + H2SO4 = NiSO4 + H2 =>
Ni + H2SO4 = NiSO4 + H2
Na2SO3 + Br2 + H2O = Na2SO4 + HBr =>
Na2SO3 + Br2 + H2O = Na2SO4 + 2 HBr
PbO(s) + C(s) = Pb(s) + CO2 =>
2 PbO(s) + C(s) = 2 Pb(s) + CO2
TlCl = Tl + Cl2 =>
2 TlCl = 2 Tl + Cl2
H2CrO4 + H2O2 = H3CrO6 + H2O =>
2 H2CrO4 + 3 H2O2 = 2 H3CrO6 + 2 H2O
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