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4 CH + 3 O2 = 4 CO + 2 H2O
HgO = Hg + O2 =>
2 HgO = 2 Hg + O2
N2 + H2 = NH3 =>
N2 + 3 H2 = 2 NH3
Ca{2} + C2O4{-2} = CaC2O4 =>
Ca{2} + C2O4{-2} = CaC2O4
N2 + H2 = NH3 =>
N2 + 3 H2 = 2 NH3
C2H6 + O2 = CO + H2O =>
2 C2H6 + 5 O2 = 4 CO + 6 H2O
Cr2(SO4)3 + KOH + H2O2 = H2O + K2CrO4 + K2SO4 =>
Cr2(SO4)3 + 10 KOH + 3 H2O2 = 8 H2O + 2 K2CrO4 + 3 K2SO4
CaC2O4 + H{+} = Ca{2} + H2C2O4 =>
CaC2O4 + 2 H{+} = Ca{2} + H2C2O4
Al + Cl2 = AlCl3 =>
2 Al + 3 Cl2 = 2 AlCl3
NaCLO = NaCLO3 + NaCL =>
3 NaCLO = NaCLO3 + 2 NaCL
CH3 + HI = CH4 + I2 =>
2 CH3 + 2 HI = 2 CH4 + I2
NaCrO2 + PbO2 + NaOH = Na2CrO4 + Na2PbO2 + H2O =>
2 NaCrO2 + 3 PbO2 + 8 NaOH = 2 Na2CrO4 + 3 Na2PbO2 + 4 H2O
Al + O2 = Al2O3 =>
4 Al + 3 O2 = 2 Al2O3
Cu2CO3(OH)2 + HNO3 = Cu(NO3)2 + CO2 + H2O =>
Cu2CO3(OH)2 + 4 HNO3 = 2 Cu(NO3)2 + CO2 + 3 H2O
As2O3 + HNO3 + H2O = H3AsO4 + NO =>
3 As2O3 + 4 HNO3 + 7 H2O = 6 H3AsO4 + 4 NO
MnCl2 + KMnO4 + H20 = MnO2 + KCl + H2O =>
5 MnCl2 + 10 KMnO4 + H20 = 15 MnO2 + 10 KCl + 10 H2O
HBr + NaOH = NaBr + H2O =>
HBr + NaOH = NaBr + H2O
Pb3O4 + H2 = Pb + H2O =>
Pb3O4 + 4 H2 = 3 Pb + 4 H2O
HNO3 + CaCO3 = Ca(NO3)2 + CO2 + H2O =>
2 HNO3 + CaCO3 = Ca(NO3)2 + CO2 + H2O
OH{-} + V + H2O = HV6O17{3-} + H2 =>
3 OH{-} + 6 V + 14 H2O = HV6O17{3-} + 15 H2
Mn(NO3)3(aq) + K2S(aq) = Mn2S3(s) + KNO3(aq) =>
2 Mn(NO3)3(aq) + 3 K2S(aq) = Mn2S3(s) + 6 KNO3(aq)
NaS + HCl = NaCl + HS =>
NaS + HCl = NaCl + HS
H2SO4 + KOH = K2SO4 + H2O =>
H2SO4 + 2 KOH = K2SO4 + 2 H2O
NaS + HCl = NaCl + HS =>
NaS + HCl = NaCl + HS
C3H6 + KMnO4 + H2SO4 + H2O = C3H8O2 + K2SO4 + MnSO4 =>
5 C3H6 + 2 KMnO4 + 3 H2SO4 + 2 H2O = 5 C3H8O2 + K2SO4 + 2 MnSO4
NH3 + CO2 = (NH2)2CO + H2O =>
2 NH3 + CO2 = (NH2)2CO + H2O
CuSO4 + Fe = FeSO4 + Cu =>
CuSO4 + Fe = FeSO4 + Cu
C3H5(OH)3 + Cu(OH)2 = C3H5OHCuO2 + H2O =>
C3H5(OH)3 + Cu(OH)2 = C3H5OHCuO2 + 2 H2O
KI + KNO2 + H2SO4 = I2 + NO + K2SO4 + H2O =>
2 KI + 2 KNO2 + 2 H2SO4 = I2 + 2 NO + 2 K2SO4 + 2 H2O
H2 + O2 = H2O =>
2 H2 + O2 = 2 H2O
C2H4 + H2O = C2H6O =>
C2H4 + H2O = C2H6O
FeS2 + HNO3 = Fe(NO3)3 + H2SO4 + NO + H2O =>
FeS2 + 8 HNO3 = Fe(NO3)3 + 2 H2SO4 + 5 NO + 2 H2O
Mg + O2 = MgO =>
2 Mg + O2 = 2 MgO
Si + N2 = Si3N4 =>
3 Si + 2 N2 = Si3N4
Fe2O3 + CO = Fe + CO2 =>
Fe2O3 + 3 CO = 2 Fe + 3 CO2
H2O2 = H2O + O2 =>
2 H2O2 = 2 H2O + O2
CrO + C = Cr + CO2 =>
2 CrO + C = 2 Cr + CO2
Na + H2O = H2 + NaOH =>
2 Na + 2 H2O = H2 + 2 NaOH
BaCl2 + NaOH = Ba(OH)2 + NaCl =>
BaCl2 + 2 NaOH = Ba(OH)2 + 2 NaCl
CaCO3 + HCOOH = H + CaCOOH + CO3 =>
CaCO3 + HCOOH = H + CaCOOH + CO3
CH3NH2 + HCl = CH3NH3 + Cl =>
CH3NH2 + HCl = CH3NH3 + Cl
K2CO3 + HCl = KCl + H2O + CO2 =>
K2CO3 + 2 HCl = 2 KCl + H2O + CO2
H2CO3 + Ca(OH)2 = H2O + CaCO3 =>
H2CO3 + Ca(OH)2 = 2 H2O + CaCO3
C8H18 + O2 = CO2 + H2O =>
2 C8H18 + 25 O2 = 16 CO2 + 18 H2O
Fe(s) + S(l) = Fe2S3(s) =>
2 Fe(s) + 3 S(l) = Fe2S3(s)
CrO3 + C = Cr + CO2 =>
2 CrO3 + 3 C = 2 Cr + 3 CO2
H2S(g) + O2(g) = SO2(g) + H2O =>
2 H2S(g) + 3 O2(g) = 2 SO2(g) + 2 H2O
CaO + HCl = CaCl2 + H2O =>
CaO + 2 HCl = CaCl2 + H2O
H2S + HNO3 = H2SO4 + NO2 + H20 =>
5 H2S + 20 HNO3 = 5 H2SO4 + 20 NO2 + H20
H2S + HNO3 = H2SO4 + NO2 + H2O =>
H2S + 8 HNO3 = H2SO4 + 8 NO2 + 4 H2O
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