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2 HOH = 2 H2 + O2
FeCl3 + CH3CH2OH = FeCl2 + CH3CHO + HCl =>
2 FeCl3 + CH3CH2OH = 2 FeCl2 + CH3CHO + 2 HCl
KNO2 + KMnO4 + HNO3 = Mn(NO3)2 + KNO3 + H2O =>
5 KNO2 + 2 KMnO4 + 6 HNO3 = 2 Mn(NO3)2 + 7 KNO3 + 3 H2O
K2SO4 + Pb(C3H2O3)2 = K(C3H2O3) + PbSO4 =>
K2SO4 + Pb(C3H2O3)2 = 2 K(C3H2O3) + PbSO4
Sn(NO3)2 + Li2S = Li2(NO3) + SnS2 =>
Sn(NO3)2 + 2 Li2S = 2 Li2(NO3) + SnS2
K2CO3 + H2SO4 = K2SO4 + H2 + CO3 =>
K2CO3 + H2SO4 = K2SO4 + H2 + CO3
H2SO4 + NH3 = (NH3)H2SO4 =>
H2SO4 + NH3 = (NH3)H2SO4
H3COH + H2O2 = HCOOH + H2O =>
H3COH + 2 H2O2 = HCOOH + 3 H2O
C6H14O + C3H6O2 = C9H18O2 + H2O =>
C6H14O + C3H6O2 = C9H18O2 + H2O
Fe(NO3)2 + Co3(PO4)2 = Co(NO3)2 + Fe3(PO4)2 =>
3 Fe(NO3)2 + Co3(PO4)2 = 3 Co(NO3)2 + Fe3(PO4)2
Mg(NO3)2(aq) + NaI(aq) = MgI2(s) + Na(NO3)(aq) =>
Mg(NO3)2(aq) + 2 NaI(aq) = MgI2(s) + 2 Na(NO3)(aq)
Cu(NO3)2(s) + HCl(aq) = CuCl2(aq) + HNO3(aq) =>
Cu(NO3)2(s) + 2 HCl(aq) = CuCl2(aq) + 2 HNO3(aq)
(NH4)2MoO4 + HCl + KSCN + SnCl2 = K2(MoO(SCN)5) + (NH4)2SnCl6 + KCl + NH4Cl + H2O =>
2(NH4)2MoO4 + 12 HCl + 10 KSCN + SnCl2 = 2 K2(MoO(SCN)5) + (NH4)2SnCl6 + 6 KCl + 2 NH4Cl + 6 H2O
Fe3 + O2 = Fe3O4 =>
Fe3 + 2 O2 = Fe3O4
C7H7NO2 + KMnO4 + H2SO4 = C6H4COOHNO2 + MnSO4 + K2SO4 + H2O =>
5 C7H7NO2 + 6 KMnO4 + 9 H2SO4 = 5 C6H4COOHNO2 + 6 MnSO4 + 3 K2SO4 + 14 H2O
NH3 + O1 = NO + H2O =>
2 NH3 + 5 O1 = 2 NO + 3 H2O
Mg(NO3)2 + Na2CO3 = MgCO3 + Na + Na(NO3)2 =>
Mg(NO3)2 + Na2CO3 = MgCO3 + Na + Na(NO3)2
C4H8N2O3 + O2 = H2O + CO2 + N2CH4O =>
C4H8N2O3 + 3 O2 = 2 H2O + 3 CO2 + N2CH4O
CoCl2(H2O)6 + Fe = Co + FeCl3 + H2O =>
3 CoCl2(H2O)6 + 2 Fe = 3 Co + 2 FeCl3 + 18 H2O
WG4 + A2 = WA2 + G2A =>
WG4 + 2 A2 = WA2 + 2 G2A
K2CrO7 = K + CrO7 =>
K2CrO7 = 2 K + CrO7
(NH4)2SO4 + H2O = H3O + (NH3)2SO4 =>
(NH4)2SO4 + 2 H2O = 2 H3O + (NH3)2SO4
NaBH4 + CH3OH + H2O = NaOH + CH3OBH2 + H2 =>
NaBH4 + CH3OH + H2O = NaOH + CH3OBH2 + 2 H2
Na3[Fe(OH)6] + HNO3 = Fe(OH)3 + NaNO3 + H2O =>
Na3[Fe(OH)6] + 3 HNO3 = Fe(OH)3 + 3 NaNO3 + 3 H2O
C17H35COONa + MgCl2 = Mg(C17H35COO)2 + NaCl =>
2 C17H35COONa + MgCl2 = Mg(C17H35COO)2 + 2 NaCl
C4H9OH + CuO = C3H7CHO + Cu + H2O =>
C4H9OH + CuO = C3H7CHO + Cu + H2O
C8H16O + H2O = CO2 + H =>
C8H16O + 15 H2O = 8 CO2 + 46 H
NO2 + HCl = Cl2 + NCl2 + H2O =>
NO2 + 4 HCl = Cl2 + NCl2 + 2 H2O
CuSO4*5H2O + K2C2O4*H2O = K2[Cu(C2O4)2]*2H2O + H2O + K2SO4 =>
CuSO4*5H2O + 2 K2C2O4*H2O = K2[Cu(C2O4)2]*2H2O + 5 H2O + K2SO4
NH4HSO4 + NaOH = NH4OH + NaHSO4 =>
NH4HSO4 + NaOH = NH4OH + NaHSO4
NH4NO3H2O = HNO3 + NH4OH =>
NH4NO3H2O = HNO3 + NH4OH
MnO4{-} + C2H6O + H{+} = Mn{2+} + C2H4O2 + H2O =>
4 MnO4{-} + 5 C2H6O + 12 H{+} = 4 Mn{2+} + 5 C2H4O2 + 11 H2O
Pb(NO3)2 + I2Ni = PbI2 + (NO3)2 + Ni =>
Pb(NO3)2 + I2Ni = PbI2 + (NO3)2 + Ni
V2O5 + NaOH = VO3Na + H2O =>
V2O5 + 2 NaOH = 2 VO3Na + H2O
CO = CCO2 =>
2 CO = CCO2
Na2S*9H2O + HCl = H2S + NaCl + H2O =>
Na2S*9H2O + 2 HCl = H2S + 2 NaCl + 9 H2O
Ba{+2} + C{-4} = Ba2C =>
2 Ba{+2} + C{-4} = Ba2C
C20H10O4 + O2 = CO2 + H2O =>
2 C20H10O4 + 41 O2 = 40 CO2 + 10 H2O
Iron + water = iron(iii)oxide + hydrogen =>
2 Fe + 3 H2O = Fe2O3 + 3 H2
PbBr2 + Li2SO4 = PbSO4 + LiBr =>
PbBr2 + Li2SO4 = PbSO4 + 2 LiBr
Cr2O3(s) + Na = Cr + NaO =>
Cr2O3(s) + 3 Na = 2 Cr + 3 NaO
Bi(NO)3 + HNO3 = Bi + NO2 + H2O =>
Bi(NO)3 + 6 HNO3 = Bi + 9 NO2 + 3 H2O
Pb(HSO3)2 + H2SO4 = PbSO4 + H2O + SO2 =>
Pb(HSO3)2 + H2SO4 = PbSO4 + 2 H2O + 2 SO2
Cr + H2O = CrOH + H2 =>
2 Cr + 2 H2O = 2 CrOH + H2
CHCH23OH + CUO = HCOH + CU + H2O =>
2 CHCH23OH + 23 CUO = 4 HCOH + 23 CU + 21 H2O
Pb(CH3COO)2(aq) + K2CrO4(aq) = PbCrO4(cr) + KCH3COO(aq) =>
Pb(CH3COO)2(aq) + K2CrO4(aq) = PbCrO4(cr) + 2 KCH3COO(aq)
(NH4)3N + Ba(OH)2 = Ba(NH4)2 + N(OH)3 =>
2(NH4)3N + 3 Ba(OH)2 = 3 Ba(NH4)2 + 2 N(OH)3
H2S + Na3[Cr(OH)6] = Na2S + Cr2S3 + H2O =>
6 H2S + 2 Na3[Cr(OH)6] = 3 Na2S + Cr2S3 + 12 H2O
H2(g) + NO2(g) = NH3(g) + H2O(g) =>
7 H2(g) + 2 NO2(g) = 2 NH3(g) + 4 H2O(g)
HClO4 + CaCO3 = CO2 + CaCl2 + O2 + H2O =>
2 HClO4 + CaCO3 = CO2 + CaCl2 + 4 O2 + H2O
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