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Fe2O3 + 3 CO = 2 Fe + 3 CO2
NaOH + Pb(NO3)2 = Pb(OH)2 + NaNO3 =>
2 NaOH + Pb(NO3)2 = Pb(OH)2 + 2 NaNO3
KI + K2Cr2O7 + H2SO4 = K2SO4 + Cr2(SO4)3 + I2 + H2O =>
6 KI + K2Cr2O7 + 7 H2SO4 = 4 K2SO4 + Cr2(SO4)3 + 3 I2 + 7 H2O
FeS + O2 + H2O = FeO + H2SO4 =>
FeS + 2 O2 + H2O = FeO + H2SO4
HCHO + KMnO4 + H2SO4 = CO2 + K2SO4 + MnSO4 + H2O =>
5 HCHO + 4 KMnO4 + 6 H2SO4 = 5 CO2 + 2 K2SO4 + 4 MnSO4 + 11 H2O
Fe(s) + O2(g) = Fe3O4(s) =>
3 Fe(s) + 2 O2(g) = Fe3O4(s)
CuBr2 + NaOH = CuOH + NaBr2 =>
CuBr2 + NaOH = CuOH + NaBr2
Ag + HNO3 = NO + H2O + AgNO3 =>
3 Ag + 4 HNO3 = NO + 2 H2O + 3 AgNO3
K2CR2O7 + KL + HCL = KCL + CRCL3 + L2 + H2O =>
K2CR2O7 + 9 KL + 14 HCL = 11 KCL + 2 CRCL3 + 3 L2 + 7 H2O
CaCO3 + HCl = CaCl2 + CO2 + H2O =>
CaCO3 + 2 HCl = CaCl2 + CO2 + H2O
Al + KOH + H2O = K[Al(OH)4] + H2 =>
2 Al + 2 KOH + 6 H2O = 2 K[Al(OH)4] + 3 H2
Sb2S5 + HCl + HNO3 = SbCl5 + S + NO + H2O =>
3 Sb2S5 + 30 HCl + 10 HNO3 = 6 SbCl5 + 15 S + 10 NO + 20 H2O
Ca + N2 = Ca3N2 =>
3 Ca + N2 = Ca3N2
C2H6 + O2 = CO2 + H2O =>
2 C2H6 + 7 O2 = 4 CO2 + 6 H2O
CH4 + O2 = CO2 + H2O =>
CH4 + 2 O2 = CO2 + 2 H2O
K2Cr2O7 + FeS2 + H2SO4 = K2SO4 + Cr2SO4 + Fe(SO4)3 + H2O =>
9 K2Cr2O7 + 5 FeS2 + 23 H2SO4 = 9 K2SO4 + 9 Cr2SO4 + 5 Fe(SO4)3 + 23 H2O
PCl3 + NaOH = Na3PO3 + NaCl + H2O =>
PCl3 + 6 NaOH = Na3PO3 + 3 NaCl + 3 H2O
Fe3O4 + HNO3 = Fe(NO3)3 + NO2 + H2O =>
Fe3O4 + 10 HNO3 = 3 Fe(NO3)3 + NO2 + 5 H2O
Fe + HNO3 = Fe(NO3)3 + NO2 + H2O =>
Fe + 6 HNO3 = Fe(NO3)3 + 3 NO2 + 3 H2O
Hg2I2 + HCl + HNO3 = HgCl2 + HIO3 + NO + H2O =>
3 Hg2I2 + 12 HCl + 14 HNO3 = 6 HgCl2 + 6 HIO3 + 14 NO + 10 H2O
CaCl2 + Na3PO4 = Ca3(PO4)2 + NaCl =>
3 CaCl2 + 2 Na3PO4 = Ca3(PO4)2 + 6 NaCl
SO2 + NaOH = Na2SO3 + H2O =>
SO2 + 2 NaOH = Na2SO3 + H2O
Zn + KOH = K2ZnO2 + H2 =>
Zn + 2 KOH = K2ZnO2 + H2
Na + OH = NaOH =>
Na + OH = NaOH
NH4NO3(s) = N2O(g) + H2O(g) =>
NH4NO3(s) = N2O(g) + 2 H2O(g)
Ca + Br2 = CaBr2 =>
Ca + Br2 = CaBr2
C6H5CH(OH)CH3 + KMnO4 + H2SO4 = MnSO4 + K2SO4 + C6H5C(O)CH3 + H2O =>
5 C6H5CH(OH)CH3 + 2 KMnO4 + 3 H2SO4 = 2 MnSO4 + K2SO4 + 5 C6H5C(O)CH3 + 8 H2O
Fe2O3 + CO = Fe + CO2 =>
Fe2O3 + 3 CO = 2 Fe + 3 CO2
CaCO3 = CaO + CO2 =>
CaCO3 = CaO + CO2
KMnO4 + NH3 = MnO2 + N2 + H2O + KOH =>
2 KMnO4 + 2 NH3 = 2 MnO2 + N2 + 2 H2O + 2 KOH
Cu + AgNO3 = Cu(NO3)2 + Ag =>
Cu + 2 AgNO3 = Cu(NO3)2 + 2 Ag
CH3CH2OH + HCL = CH3CH2CL + HOH =>
CH3CH2OH + HCL = CH3CH2CL + HOH
N2 + H2 = NH3 =>
N2 + 3 H2 = 2 NH3
Zn + HNO3 = Zn(NO3)2 + NO2 + H2O =>
Zn + 4 HNO3 = Zn(NO3)2 + 2 NO2 + 2 H2O
C3H8 + O2 = CO2 + H2O =>
C3H8 + 5 O2 = 3 CO2 + 4 H2O
Al + HCl = AlCl3 + H2 =>
2 Al + 6 HCl = 2 AlCl3 + 3 H2
KI + H2SO4 = I2 + H2SO3 + K2SO4 + H2O =>
2 KI + 2 H2SO4 = I2 + H2SO3 + K2SO4 + H2O
Na + ZnCl = Zn + NaCl =>
Na + ZnCl = Zn + NaCl
FeS + H2O + O2 = FeO + H2SO4 =>
FeS + H2O + 2 O2 = FeO + H2SO4
Na + ZnCl = Zn + NaCl =>
Na + ZnCl = Zn + NaCl
Sb + O2 = SbO2 =>
Sb + O2 = SbO2
Sb + O2 = Sb4O6 =>
4 Sb + 3 O2 = Sb4O6
MgBr2 + Cl2 = MgCl2 + Br2 =>
MgBr2 + Cl2 = MgCl2 + Br2
NO2{-} + I{-} + H{+} = I2 + NO + H2O =>
2 NO2{-} + 2 I{-} + 4 H{+} = I2 + 2 NO + 2 H2O
MnO2 + H2SO4 = MnS04 + O2 + H2O =>
MnO2 + 4 H2SO4 = MnS04 + 7 O2 + 4 H2O
N2 + H2 = NH3 =>
N2 + 3 H2 = 2 NH3
Na + ZnCl2 = Zn + NaCl =>
2 Na + ZnCl2 = Zn + 2 NaCl
H2O2 + SO32{-} = SO42{-} + H2O =>
10 H2O2 + SO32{-} = SO42{-} + 10 H2O
Al + H2SO4 = Al2(SO4)3 + H2 =>
2 Al + 3 H2SO4 = Al2(SO4)3 + 3 H2
HCl + MgO = MgCl2 + H2O =>
2 HCl + MgO = MgCl2 + H2O
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