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3 CaCl2 + 2 Na3PO4 = Ca3(PO4)2 + 6 NaCl
PCl3 + Cl2 = PCl5 =>
PCl3 + Cl2 = PCl5
Cr2O3 + CH4 = CO + H2O + CrO =>
3 Cr2O3 + CH4 = CO + 2 H2O + 6 CrO
V + Cl2 = VCl =>
2 V + Cl2 = 2 VCl
C2H5OH + O2 = CO2 + H2O =>
C2H5OH + 3 O2 = 2 CO2 + 3 H2O
K + I2 = KI =>
2 K + I2 = 2 KI
Fe2O3 + Al = Fe + Al2O3 =>
Fe2O3 + 2 Al = 2 Fe + Al2O3
Fe3O4 + Al = Fe + Al2O3 =>
3 Fe3O4 + 8 Al = 9 Fe + 4 Al2O3
K2SiO3 + H2SO4 = K2SO4 + H2O + SiO2 =>
K2SiO3 + H2SO4 = K2SO4 + H2O + SiO2
NaOH(ac) + Pb(NO3)2(ac) = NaNO3(ac) + Pb(OH)2(s) =>
2 NaOH(ac) + Pb(NO3)2(ac) = 2 NaNO3(ac) + Pb(OH)2(s)
Fe2O3 = Fe + O =>
Fe2O3 = 2 Fe + 3 O
NaOH + Pb(NO3)2 = NaNO3 + Pb(OH)2 =>
2 NaOH + Pb(NO3)2 = 2 NaNO3 + Pb(OH)2
GaBr3 + Cl2 = GaCl3 + Br2 =>
2 GaBr3 + 3 Cl2 = 2 GaCl3 + 3 Br2
SO2 + O2 + H2O = H2SO4 =>
2 SO2 + O2 + 2 H2O = 2 H2SO4
C14H10 + H2O = C14H8O2 + H =>
C14H10 + 2 H2O = C14H8O2 + 6 H
CH3COONa + NaOH = Na2CO3 + CH4 =>
CH3COONa + NaOH = Na2CO3 + CH4
Na2CO3 + HCl = NaCl + H2CO3 =>
Na2CO3 + 2 HCl = 2 NaCl + H2CO3
Pb(NO3)2 + NaI = PbI2 + Na(NO3) =>
Pb(NO3)2 + 2 NaI = PbI2 + 2 Na(NO3)
N2 + H2 = NH3 =>
N2 + 3 H2 = 2 NH3
NaSiO3 + HCl = NaCl + HSiO3 =>
NaSiO3 + HCl = NaCl + HSiO3
Na2TeO3 + NaI + HCl = NaCl + Te + H2O + I2 =>
Na2TeO3 + 4 NaI + 6 HCl = 6 NaCl + Te + 3 H2O + 2 I2
Pb + CuCI2 = PbCI2 + Cu =>
Pb + CuCI2 = PbCI2 + Cu
FeCl2 + HNO3 + HCl = FeCl3 + NO + H2O =>
3 FeCl2 + HNO3 + 3 HCl = 3 FeCl3 + NO + 2 H2O
Cu + HNO3 = Cu(NO3)2 + NO2 + H2O =>
Cu + 4 HNO3 = Cu(NO3)2 + 2 NO2 + 2 H2O
ZN + KOH = K2ZNO2 + H2 =>
ZN + 2 KOH = K2ZNO2 + H2
Pb3O4 + HCl = PbCl2 + Cl2 + H2O =>
Pb3O4 + 8 HCl = 3 PbCl2 + Cl2 + 4 H2O
Fe(OH)2 = Fe + OH =>
Fe(OH)2 = Fe + 2 OH
H2SO4 + Fe(OH)3 = Fe2(SO4)3 + H2O =>
3 H2SO4 + 2 Fe(OH)3 = Fe2(SO4)3 + 6 H2O
HNO3 + Zn = Zn(NO3)2 + NO + H2O =>
8 HNO3 + 3 Zn = 3 Zn(NO3)2 + 2 NO + 4 H2O
Fe2(SO4)3 + BaI2 = FeI3 + BaSO4 =>
Fe2(SO4)3 + 3 BaI2 = 2 FeI3 + 3 BaSO4
K2Cr2O7 + Na2So3 + H2So4 = Cr2(So4)3 + K2So4 + Na2So4 + H2O =>
K2Cr2O7 + 12 Na2So3 + 7 H2So4 = Cr2(So4)3 + K2So4 + 12 Na2So4 + 7 H2O
Fe2(SO4)3 + BaI2 = FeI3 + BaSO4 =>
Fe2(SO4)3 + 3 BaI2 = 2 FeI3 + 3 BaSO4
K2Cr2O7 + SO2 + H2SO4 = K2SO4 + Cr2(SO4)3 + H2O =>
K2Cr2O7 + 3 SO2 + H2SO4 = K2SO4 + Cr2(SO4)3 + H2O
Me + O2 = MeO =>
2 Me + O2 = 2 MeO
Li + H2O = LiOH + H2 =>
2 Li + 2 H2O = 2 LiOH + H2
Al + HCl = AlCl3 + H2 =>
2 Al + 6 HCl = 2 AlCl3 + 3 H2
KI + KMnO4 + H2SO4 = I2 + K2SO4 + MnSO4 + H2O =>
10 KI + 2 KMnO4 + 8 H2SO4 = 5 I2 + 6 K2SO4 + 2 MnSO4 + 8 H2O
Na + Co2 = Na2Co3 =>
4 Na + 3 Co2 = 2 Na2Co3
Br2 + Cl2 = Br3Cl =>
3 Br2 + Cl2 = 2 Br3Cl
Pb(NO3)2 + H3PO4 = Pb3(PO4)2 + HNO3 =>
3 Pb(NO3)2 + 2 H3PO4 = Pb3(PO4)2 + 6 HNO3
H2SO4 + NaOH = Na2SO4 + H2O =>
H2SO4 + 2 NaOH = Na2SO4 + 2 H2O
NH3 + O2 = N2O4 + H2O =>
4 NH3 + 7 O2 = 2 N2O4 + 6 H2O
Al + NaOH + H2O = NaAl(OH)4 + H2 =>
2 Al + 2 NaOH + 6 H2O = 2 NaAl(OH)4 + 3 H2
Pb(OH)2 + HCl = H2O + PbCl2 =>
Pb(OH)2 + 2 HCl = 2 H2O + PbCl2
AgBr + HCl = AgCl + HBr =>
AgBr + HCl = AgCl + HBr
Me + H2 = MeH =>
2 Me + H2 = 2 MeH
S + H2SO4 = SO2 + H2O =>
S + 2 H2SO4 = 3 SO2 + 2 H2O
H2 + Cl2 = HCl =>
H2 + Cl2 = 2 HCl
SO2 + O2 = SO32 =>
SO2 + 15 O2 = SO32
SO2 + O2 = SO3 =>
2 SO2 + O2 = 2 SO3
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