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2 Nb + 5 O = Nb2O5
I + NaCl = NaI + Cl2 =>
2 I + 2 NaCl = 2 NaI + Cl2
PbO2 + Cl2O7 = Pb(ClO4)4 =>
PbO2 + 2 Cl2O7 = Pb(ClO4)4
H2 + F2 = HF =>
H2 + F2 = 2 HF
Cr + Fe(NO2)2 = Fe + Cr(NO2)4 =>
Cr + 2 Fe(NO2)2 = 2 Fe + Cr(NO2)4
C5H10O(l) + O2(g) = H2O(g) + CO2(g) =>
C5H10O(l) + 7 O2(g) = 5 H2O(g) + 5 CO2(g)
I + NaCl = ICl + Na =>
I + NaCl = ICl + Na
CoCl2*6H2O + NH4Fe(SO4)2*12H2O + NaOH = CoFe2O4 + NH4Cl + Na2SO4 + H2O =>
CoCl2*6H2O + 2 NH4Fe(SO4)2*12H2O + 8 NaOH = CoFe2O4 + 2 NH4Cl + 4 Na2SO4 + 34 H2O
Na2CO3 + H2O + CO2 = NaHCO3 =>
Na2CO3 + H2O + CO2 = 2 NaHCO3
As2O3 + HCl + Zn = ZnCl2 + H2O + AsH3 =>
As2O3 + 12 HCl + 6 Zn = 6 ZnCl2 + 3 H2O + 2 AsH3
Mn(OH)7 = Mn + OH =>
Mn(OH)7 = Mn + 7 OH
Al + H2 + C2H4 = Al(C2H5)3 =>
2 Al + 3 H2 + 6 C2H4 = 2 Al(C2H5)3
Zn + H3O{+} + H2O = [Zn(H2O)6]{2+} + H2 =>
Zn + 2 H3O{+} + 4 H2O = [Zn(H2O)6]{2+} + H2
CaC2 + H2O = C2H2 + Ca(OH)2 =>
CaC2 + 2 H2O = C2H2 + Ca(OH)2
H2SO4 + Pb(OH)4 = Pb(SO4)2 + H2O =>
2 H2SO4 + Pb(OH)4 = Pb(SO4)2 + 4 H2O
I + NaCl = INa + Cl =>
I + NaCl = INa + Cl
LiCl + O2 = LiO + Cl2 =>
2 LiCl + O2 = 2 LiO + Cl2
H2O2 = H2O + O2 =>
2 H2O2 = 2 H2O + O2
O2 + C8H5KO4 = CO2 + H2O + KOH =>
15 O2 + 2 C8H5KO4 = 16 CO2 + 4 H2O + 2 KOH
C4H6O6 + NaOH = Na2C4H4O6 + H2O =>
C4H6O6 + 2 NaOH = Na2C4H4O6 + 2 H2O
NHClO4 = N2 + Cl2 + O2 + H2O =>
4 NHClO4 = 2 N2 + 2 Cl2 + 7 O2 + 2 H2O
C6H7N + O = CO2 + H2O + N =>
2 C6H7N + 31 O = 12 CO2 + 7 H2O + 2 N
H2 + O2 = H2O =>
2 H2 + O2 = 2 H2O
CH4 + O2 = CO2 + H2O =>
CH4 + 2 O2 = CO2 + 2 H2O
(CH3COO)2Pb + NaOH = Na2[Pb(OH)4] + CH3COONa =>
(CH3COO)2Pb + 4 NaOH = Na2[Pb(OH)4] + 2 CH3COONa
SnS + (NH4)2S = (NH4)2SnS2 =>
SnS + (NH4)2S = (NH4)2SnS2
C7H16O4S2 + O2 = CO2 + H2O + SO2 =>
C7H16O4S2 + 11 O2 = 7 CO2 + 8 H2O + 2 SO2
FeCl3*6H2O + K3Fe(CN)6 = FeFe(CN)6 + KCl + H2O =>
FeCl3*6H2O + K3Fe(CN)6 = FeFe(CN)6 + 3 KCl + 6 H2O
Cr(OH)3 + NaCIO + Na2CO3 = Na2CrO4 + NaCI + CO2 + H2O =>
2 Cr(OH)3 + 3 NaCIO + 2 Na2CO3 = 2 Na2CrO4 + 3 NaCI + 2 CO2 + 3 H2O
Zn(NO3)2 + NaCO3 = Na(NO3)2 + ZnCO3 =>
Zn(NO3)2 + NaCO3 = Na(NO3)2 + ZnCO3
(NH4)2WO4 + NH4SCN + HCl + SnCl2 = (NH4)2[WO(SCN)5] + NH4Cl + SnCl4 + H2O =>
2(NH4)2WO4 + 10 NH4SCN + 12 HCl + SnCl2 = 2(NH4)2[WO(SCN)5] + 10 NH4Cl + SnCl4 + 6 H2O
NH3 + O = NO + H2O =>
2 NH3 + 5 O = 2 NO + 3 H2O
C5H10O5 + O2 = CO2 + H2O =>
C5H10O5 + 5 O2 = 5 CO2 + 5 H2O
Bi(NO3)3 + Na2[Sb(OH)4] + NaOH = Bi + Na2[Sb(OH)6] + NaNO3 =>
2 Bi(NO3)3 + 3 Na2[Sb(OH)4] + 6 NaOH = 2 Bi + 3 Na2[Sb(OH)6] + 6 NaNO3
NaCO3 = Na + O2 + CO2 =>
2 NaCO3 = 2 Na + O2 + 2 CO2
C3H8O + HI = C3H8OH + I2 =>
2 C3H8O + 2 HI = 2 C3H8OH + I2
TiO2 + Na2O = Na2TiO3 =>
TiO2 + Na2O = Na2TiO3
Ca(OH)(HCO3) = CaCO3 + H2O =>
Ca(OH)(HCO3) = CaCO3 + H2O
AgBr = Ag + Br2 =>
2 AgBr = 2 Ag + Br2
Li5 + H2O = LiOH + H2 =>
2 Li5 + 10 H2O = 10 LiOH + 5 H2
KI + Pb(NO3)2 = KNO3 + PbI2 =>
2 KI + Pb(NO3)2 = 2 KNO3 + PbI2
HCCNa + H2O = HCCH + NaOH =>
HCCNa + H2O = HCCH + NaOH
Cr(OH)3 + NaCIO + Na2CO3 = Na2CrO4 + NaCI + CO2 + H2O =>
2 Cr(OH)3 + 3 NaCIO + 2 Na2CO3 = 2 Na2CrO4 + 3 NaCI + 2 CO2 + 3 H2O
H2SO4 + NaOH = Na2SO4 + H2O =>
H2SO4 + 2 NaOH = Na2SO4 + 2 H2O
KCHO3 + HCl = KCl + H2O + CO2 =>
KCHO3 + HCl = KCl + H2O + CO2
HClO4 + Ca = Ca(ClO4)2 + H =>
2 HClO4 + Ca = Ca(ClO4)2 + 2 H
HCl + As3O3 + NaNO3 + H2O = NO + H3AsO4 + NaCl =>
3 HCl + As3O3 + 3 NaNO3 + 3 H2O = 3 NO + 3 H3AsO4 + 3 NaCl
Ca(OH)(HCO3) = CaCO3 + H2O =>
Ca(OH)(HCO3) = CaCO3 + H2O
C3H8 + H2O2 = CO2 + H2O =>
C3H8 + 10 H2O2 = 3 CO2 + 14 H2O
Al2O3 = Al + O2 =>
2 Al2O3 = 4 Al + 3 O2
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