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Cr + 2 HCl = CrCl2 + H2
HSO3 + CuCl + CuClO3 = CuSO3 + Cl2 + H2O =>
6 HSO3 + 5 CuCl + CuClO3 = 6 CuSO3 + 3 Cl2 + 3 H2O
Cr + HCl = CrCl3 + H2 =>
2 Cr + 6 HCl = 2 CrCl3 + 3 H2
C6H6 + HNO2 = C6H5NO2 + H20 =>
10 C6H6 + 10 HNO2 = 10 C6H5NO2 + H20
H2 + OH = H2O =>
H2 + 2 OH = 2 H2O
CO2 + C = COC =>
CO2 + 3 C = 2 COC
Fe(CrO2)2 + O2 + K2CO3 = Fe2O3 + K2CrO4 + CO2 =>
4 Fe(CrO2)2 + 7 O2 + 8 K2CO3 = 2 Fe2O3 + 8 K2CrO4 + 8 CO2
SO2 + O2 = SO3 =>
2 SO2 + O2 = 2 SO3
Mg(OH)2 + P2O5 = Mg3(PO4)2 + H2O =>
3 Mg(OH)2 + P2O5 = Mg3(PO4)2 + 3 H2O
PbO2 + HI = I2 + PbI2 + H2O =>
PbO2 + 4 HI = I2 + PbI2 + 2 H2O
MgO + HNO3 = Mg(NO3)2 + H2O =>
MgO + 2 HNO3 = Mg(NO3)2 + H2O
HI + NaHCO3 = H2O + CO2 + NaI =>
HI + NaHCO3 = H2O + CO2 + NaI
K + H2SO4 = K(SO4)2 + H2 =>
K + 2 H2SO4 = K(SO4)2 + 2 H2
KMnO4 + HCl = KCl + MnCl2 + H2O + Cl2 =>
2 KMnO4 + 16 HCl = 2 KCl + 2 MnCl2 + 8 H2O + 5 Cl2
Ca(OH)2 + HCl = CaCl2 + H2O =>
Ca(OH)2 + 2 HCl = CaCl2 + 2 H2O
CO2 + Ba(OH)2 = BaCO3 + H2O =>
CO2 + Ba(OH)2 = BaCO3 + H2O
Fe + Cl = FeCl =>
Fe + Cl = FeCl
Fe + Cl = FeCl3 =>
Fe + 3 Cl = FeCl3
I2 + H2O = IO3 + H =>
I2 + 6 H2O = 2 IO3 + 12 H
Zn + HCl = ZnCl2 + H2 =>
Zn + 2 HCl = ZnCl2 + H2
Al + Fe2O3 = Al2O3 + Fe =>
2 Al + Fe2O3 = Al2O3 + 2 Fe
C + Fe2O3 = Fe + CO =>
3 C + Fe2O3 = 2 Fe + 3 CO
KI + KIO3 + H2SO4 = I2 + K2SO4 + H2O =>
5 KI + KIO3 + 3 H2SO4 = 3 I2 + 3 K2SO4 + 3 H2O
P4 + Cl2 = PCl3 =>
P4 + 6 Cl2 = 4 PCl3
C2H4 + O2 = CO2 + H2O =>
C2H4 + 3 O2 = 2 CO2 + 2 H2O
MnO4 + HCHO = Mn2 + HCOOH =>
2 MnO4 + 8 HCHO = Mn2 + 8 HCOOH
N2O5 + H2O = HNO3 =>
N2O5 + H2O = 2 HNO3
KIO3 = KI + O2 =>
2 KIO3 = 2 KI + 3 O2
N2 + Cl3 = NCl3 =>
N2 + 2 Cl3 = 2 NCl3
KOH + H2SO4 = K2SO4 + H2O =>
2 KOH + H2SO4 = K2SO4 + 2 H2O
N2 + Cl2 = NCl3 =>
N2 + 3 Cl2 = 2 NCl3
N2 + Cl3 = NCl3 =>
N2 + 2 Cl3 = 2 NCl3
BaO + SO2 = BaSO3 =>
BaO + SO2 = BaSO3
H3PO3 + Cl2 + H2O = H3PO4 + HCl =>
H3PO3 + Cl2 + H2O = H3PO4 + 2 HCl
Fe2O3 + CO = Fe + CO2 =>
Fe2O3 + 3 CO = 2 Fe + 3 CO2
FeCl3 + H2S = FeCl2 + S + HCl =>
2 FeCl3 + H2S = 2 FeCl2 + S + 2 HCl
Zn + HCl = ZnCl2 + H2 =>
Zn + 2 HCl = ZnCl2 + H2
NaOH + H2SO4 = Na2SO4 + HOH =>
2 NaOH + H2SO4 = Na2SO4 + 2 HOH
C + Fe2O3 = Fe + CO =>
3 C + Fe2O3 = 2 Fe + 3 CO
Ni(NO3)2 = NiO + NO2 + O2 =>
2 Ni(NO3)2 = 2 NiO + 4 NO2 + O2
NH4I + Cl2 = NH4Cl + I2 =>
2 NH4I + Cl2 = 2 NH4Cl + I2
Na3AsO3 + K2CrO7 + H2SO4 = Na3AsO4 + Cr2(SO4)3 + K2SO4 + H2O =>
9 Na3AsO3 + 2 K2CrO7 + 5 H2SO4 = 9 Na3AsO4 + Cr2(SO4)3 + 2 K2SO4 + 5 H2O
Ba(OH)2 + H2SO3 = BaSO3 + H2O =>
Ba(OH)2 + H2SO3 = BaSO3 + 2 H2O
Na + O2 = Na2O =>
4 Na + O2 = 2 Na2O
Al + O2 = Al2O3 =>
4 Al + 3 O2 = 2 Al2O3
CoBr3 + Pb(NO3)2 = Co(NO3)3 + PbBr2 =>
2 CoBr3 + 3 Pb(NO3)2 = 2 Co(NO3)3 + 3 PbBr2
NO + O2 = NO2 =>
2 NO + O2 = 2 NO2
PCl5 + H2O = HCl + H3PO4 =>
PCl5 + 4 H2O = 5 HCl + H3PO4
Li3N + H2O = LiOH + NH3 =>
Li3N + 3 H2O = 3 LiOH + NH3
HCl + O2 = Cl2 + H2O =>
4 HCl + O2 = 2 Cl2 + 2 H2O
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