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2 NaOH + (H2)S = (Na2)S + 2(H2)O
Mg + H2O = HMg + OH =>
Mg + H2O = HMg + OH
C10H12O6 + O2 = H2O + CO2 =>
C10H12O6 + 10 O2 = 6 H2O + 10 CO2
H2O2 + Cl{-} = H2O + ClO3{-} =>
3 H2O2 + Cl{-} = 3 H2O + ClO3{-}
B2H4 + O2 = B2O2 + H2O =>
B2H4 + 2 O2 = B2O2 + 2 H2O
MnO2 + H{+} + Fe = Mn{2+} + H2O + Fe{2+} =>
MnO2 + 4 H{+} + Fe = Mn{2+} + 2 H2O + Fe{2+}
Mg + I2 = MgI2 =>
Mg + I2 = MgI2
Cl2(l) + H2 = HCl =>
Cl2(l) + H2 = 2 HCl
Pb3O4 + KI + H2SO4 = PbSO4 + I2 + K2SO4 + H2O =>
Pb3O4 + 2 KI + 4 H2SO4 = 3 PbSO4 + I2 + K2SO4 + 4 H2O
CH3CH2CH2CH2NH2 + H2O = CH3CH2CH2CH2NH3H + OH =>
CH3CH2CH2CH2NH2 + 2 H2O = CH3CH2CH2CH2NH3H + 2 OH
Zn + HCl = ZnCl2 + H2(k) =>
Zn + 2 HCl = ZnCl2 + H2(k)
[Cd(NH3)6] = Cd + NH3 =>
[Cd(NH3)6] = Cd + 6 NH3
Ca(O) + H2O = Ca(OH)2 =>
Ca(O) + H2O = Ca(OH)2
PCl5 + H2O = H3PO4 + HCl =>
PCl5 + 4 H2O = H3PO4 + 5 HCl
C8H10 + Cl2 = C7H7Cl + HCl =>
7 C8H10 + 11 Cl2 = 8 C7H7Cl + 14 HCl
Ca + Fe(NO3)2 = Ca(NO3)2 + Fe =>
Ca + Fe(NO3)2 = Ca(NO3)2 + Fe
KOH + CUCl2 = KCl + CU(OH)2 =>
2 KOH + CUCl2 = 2 KCl + CU(OH)2
SrCl2 + NaOH = Sr(OH)2 + ClNa =>
SrCl2 + 2 NaOH = Sr(OH)2 + 2 ClNa
K2CO3 + Na2S = K2S + Na2CO3 =>
K2CO3 + Na2S = K2S + Na2CO3
K2SO3(aq) + HCl(aq) = H2SO3(aq) + KCl(aq) =>
K2SO3(aq) + 2 HCl(aq) = H2SO3(aq) + 2 KCl(aq)
Ca3P4O8 + SiO + C = CaSiO3 + P4 + CO =>
Ca3P4O8 + 3 SiO + 2 C = 3 CaSiO3 + P4 + 2 CO
K2Cr2O7 + KI + HNO3 = KNO3 + Cr(NO3) + I2 + H2O =>
K2Cr2O7 + 10 KI + 14 HNO3 = 12 KNO3 + 2 Cr(NO3) + 5 I2 + 7 H2O
B(OH)3 + H2O = H5BO4 =>
B(OH)3 + H2O = H5BO4
NaCH3COO = NaH + CO + H2O + C =>
NaCH3COO = NaH + CO + H2O + C
AgNO3 + NH2OH = Ag + H2O + NO =>
3 AgNO3 + 4 NH2OH = 3 Ag + 6 H2O + 7 NO
Fe + Cu(SO3)2 = Fe2(SO3)3 + Cu =>
4 Fe + 3 Cu(SO3)2 = 2 Fe2(SO3)3 + 3 Cu
Pb + CaCO3 = PbCO3 + Ca =>
Pb + CaCO3 = PbCO3 + Ca
Ba(OH)2 + KF = KOH + BaF2 =>
Ba(OH)2 + 2 KF = 2 KOH + BaF2
HCl + FeS = FeCl2 + H2S =>
2 HCl + FeS = FeCl2 + H2S
(Co(H2O)6)Cl2 + HCl = H2(Co(H2O)2Cl4) + H2O =>
(Co(H2O)6)Cl2 + 2 HCl = H2(Co(H2O)2Cl4) + 4 H2O
Na2CO3 + La(NO3)3 = La2(CO3)3 + NaNO3 =>
3 Na2CO3 + 2 La(NO3)3 = La2(CO3)3 + 6 NaNO3
Fe2O3 + Al2O3 = Al2O3Fe2O3 =>
Fe2O3 + Al2O3 = Al2O3Fe2O3
H2Co3MgCO3 = MgCo3CO2H2O =>
H2Co3MgCO3 = MgCo3CO2H2O
Mg + I2 = MgI2 =>
Mg + I2 = MgI2
Ca(OH)2(s) + HNO3(aq) = Ca(NO3)2(s) + H2O(l) =>
Ca(OH)2(s) + 2 HNO3(aq) = Ca(NO3)2(s) + 2 H2O(l)
AgI2 + I{-} = AgI4{-2} =>
AgI2 + 2 I{-} = AgI4{-2}
C3H8 + O2 = CO2 + H2O =>
C3H8 + 5 O2 = 3 CO2 + 4 H2O
K + H2O = KOH + H2 =>
2 K + 2 H2O = 2 KOH + H2
NaHSO4 + H2O = H3O + Na + SO4 =>
NaHSO4 + H2O = H3O + Na + SO4
As2O3 + KIO4 + KOH = K3AsO4 + KIO3 + H2O =>
As2O3 + 2 KIO4 + 6 KOH = 2 K3AsO4 + 2 KIO3 + 3 H2O
FeSO4 + KIO4 + H2SO4 = Fe2(SO4)3 + K2SO4 + I2 + H2O =>
14 FeSO4 + 2 KIO4 + 8 H2SO4 = 7 Fe2(SO4)3 + K2SO4 + I2 + 8 H2O
XH2SO4 + BaCl2 = XBaSO4 + HCl =>
XH2SO4 + BaCl2 = XBaSO4 + 2 HCl
Al(NO3)3 + FeSO4 + H2SO4 = Fe(NO)SO4 + Al2(SO4)3 + Fe2(SO4)3 + H2O =>
2 Al(NO3)3 + 24 FeSO4 + 12 H2SO4 = 6 Fe(NO)SO4 + Al2(SO4)3 + 9 Fe2(SO4)3 + 12 H2O
SO2 + H2 + O2 = HSO3 =>
2 SO2 + H2 + O2 = 2 HSO3
Be3(PO4)2 = Be3 + (PO4) =>
Be3(PO4)2 = Be3 + 2(PO4)
S2O3{2-} + Cr2O7{2-} + H{+} = SO4{2-} + Cr{3+} + H2O =>
3 S2O3{2-} + 4 Cr2O7{2-} + 26 H{+} = 6 SO4{2-} + 8 Cr{3+} + 13 H2O
HC3H3CO2 + H2O = H3O + C3H3CO2 =>
HC3H3CO2 + H2O = H3O + C3H3CO2
Fe(CH3COO)3 + HCl + H2O = CH3COOH + FeCl3*6H2O =>
Fe(CH3COO)3 + 3 HCl + 6 H2O = 3 CH3COOH + FeCl3*6H2O
PbCl2 + NH4F = PbF2 + NH4Cl =>
PbCl2 + 2 NH4F = PbF2 + 2 NH4Cl
FeCl3 + H2O + SO2 = FeCl2 + HCl + H2SO4 =>
2 FeCl3 + 2 H2O + SO2 = 2 FeCl2 + 2 HCl + H2SO4
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