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4 K2CrO4 + 4 N2O2 = 2 Cr2O3 + 8 KNO2 + O2
W + HNO3 = WNO3 + H2 =>
2 W + 2 HNO3 = 2 WNO3 + H2
Zn(CH3COO)2 + Na2S = ZnS + CH3COONa =>
Zn(CH3COO)2 + Na2S = ZnS + 2 CH3COONa
HCl + CaCO3 = CaCl2 + H2O + CO2 =>
2 HCl + CaCO3 = CaCl2 + H2O + CO2
CH3CH2CH2OH + CH3COOH = CH3COOCH2CH3 + H2O =>
2 CH3CH2CH2OH + 3 CH3COOH = 3 CH3COOCH2CH3 + 2 H2O
HBr + (NH4)2SO4 = NH4Br + H2SO4 =>
2 HBr + (NH4)2SO4 = 2 NH4Br + H2SO4
H2O + MgCl2 = MgO + HCl =>
H2O + MgCl2 = MgO + 2 HCl
(NH4)2O + H2O = NH4OH =>
(NH4)2O + H2O = 2 NH4OH
KC4H5O6 + NaOH = KNaC4H4O6 + H2O =>
KC4H5O6 + NaOH = KNaC4H4O6 + H2O
HPO4 + Mg(OH)2 = Mg(PO4)2 + H2O =>
2 HPO4 + Mg(OH)2 = Mg(PO4)2 + 2 H2O
Ca + O2 = Ca{+2} + O{-2} =>
2 Ca + O2 = 2 Ca{+2} + 2 O{-2}
Co(C2O4) + H2C2O4*2H2O + K2C2O4*H2O + H2O2 = K3[Co(C2O4)3]*3H2O + H2O =>
2 Co(C2O4) + H2C2O4*2H2O + 3 K2C2O4*H2O + H2O2 = 2 K3[Co(C2O4)3]*3H2O + H2O
Cl2 + Al = Al(Cl)3 =>
3 Cl2 + 2 Al = 2 Al(Cl)3
C9H19OH + O2 = CO2 + H2O =>
2 C9H19OH + 27 O2 = 18 CO2 + 20 H2O
Ca(ClO)2 + HBr = CaBr2 + HClO =>
Ca(ClO)2 + 2 HBr = CaBr2 + 2 HClO
H2S + Fe2O3 = Fe2S3 + H2O =>
3 H2S + Fe2O3 = Fe2S3 + 3 H2O
CH3CHCHCH3 + Br2 = CH3CHCHCH3Br2 =>
CH3CHCHCH3 + Br2 = CH3CHCHCH3Br2
AlBr3 + CaCO3 = CaBr2 + Al2(CO3)3 =>
2 AlBr3 + 3 CaCO3 = 3 CaBr2 + Al2(CO3)3
KCrO2 + HBr = CrBr3 + K2O + H2O =>
2 KCrO2 + 6 HBr = 2 CrBr3 + K2O + 3 H2O
H3AsO4 + H2O = H3O + H2AsO4 =>
H3AsO4 + H2O = H3O + H2AsO4
NH3 + SO3 + H2O = (NH4)2SO4 =>
2 NH3 + SO3 + H2O = (NH4)2SO4
Cl2 + BaI2 = I2 + BaCl2 =>
Cl2 + BaI2 = I2 + BaCl2
Fe2O3 + P2O5 = Fe(PO3)3 =>
Fe2O3 + 3 P2O5 = 2 Fe(PO3)3
K2Co3 + Al2Cl6 = KCl + Al2(Co3)3 =>
3 K2Co3 + Al2Cl6 = 6 KCl + Al2(Co3)3
AlBr3 + CaCO3 = CaBr2 + Al2(CO3)3 =>
2 AlBr3 + 3 CaCO3 = 3 CaBr2 + Al2(CO3)3
Na4P2O7 + Mg3(PO4)2 = Mg2P2O7 + Na3PO4 =>
3 Na4P2O7 + 2 Mg3(PO4)2 = 3 Mg2P2O7 + 4 Na3PO4
H2SO4 + NaHCO3 = Na2SO4 + CO2 + H2O =>
H2SO4 + 2 NaHCO3 = Na2SO4 + 2 CO2 + 2 H2O
KMnO4 + KCl + HNO3 = Mn(NO3)2 + Cl2 + H2O + KNO3 =>
2 KMnO4 + 10 KCl + 16 HNO3 = 2 Mn(NO3)2 + 5 Cl2 + 8 H2O + 12 KNO3
KF + Na2SO4 = K2SO4 + NaF =>
2 KF + Na2SO4 = K2SO4 + 2 NaF
HCl + Al(OH)3 = AlCl3 + H2O =>
3 HCl + Al(OH)3 = AlCl3 + 3 H2O
FeCl3 + (NaOH) = Fe(OH)3 + NaCl =>
FeCl3 + 3(NaOH) = Fe(OH)3 + 3 NaCl
Cu2O + C = Cu + CO2 =>
2 Cu2O + C = 4 Cu + CO2
SO2 + Na2O = Na2SO3 =>
SO2 + Na2O = Na2SO3
Na2CO3 + HC2H3O2 = NaC2H3O2 + CO2 + H2O =>
Na2CO3 + 2 HC2H3O2 = 2 NaC2H3O2 + CO2 + H2O
Cu2O + C = Cu + CO2 =>
2 Cu2O + C = 4 Cu + CO2
C7H17 + O2 = CO2 + H2O =>
4 C7H17 + 45 O2 = 28 CO2 + 34 H2O
MnBr2 + NaOH = Mn(OH)2 + NaBr =>
MnBr2 + 2 NaOH = Mn(OH)2 + 2 NaBr
Ca + HNO3 = Ca(NO3)2 + N + H2O =>
5 Ca + 12 HNO3 = 5 Ca(NO3)2 + 2 N + 6 H2O
Fe(NO3)2 + NH4OH = Fe(OH)2 + NH4NO3 =>
Fe(NO3)2 + 2 NH4OH = Fe(OH)2 + 2 NH4NO3
AI + N2 = AIN2 =>
AI + N2 = AIN2
MnCO3 + KClO3 = MnO2 + KCl + CO2 =>
3 MnCO3 + KClO3 = 3 MnO2 + KCl + 3 CO2
Fe2O3 + HCl = FeCl3 + H2O =>
Fe2O3 + 6 HCl = 2 FeCl3 + 3 H2O
Br2 + NaI = NaBr + I2 =>
Br2 + 2 NaI = 2 NaBr + I2
NH3 + O = NO + H2O =>
2 NH3 + 5 O = 2 NO + 3 H2O
Fe(NO3)3 + KSCN = Fe(SCN)3 + KNO3 =>
Fe(NO3)3 + 3 KSCN = Fe(SCN)3 + 3 KNO3
Zn + CrCl3 = CrCl2 + ZnCl2 =>
Zn + 2 CrCl3 = 2 CrCl2 + ZnCl2
N + O = NO2 =>
N + 2 O = NO2
CH3CH(NH2)CH2COOH + Ca(OH)2 = (CH3CH(NH2)CH2COO)2Ca + H2O =>
2 CH3CH(NH2)CH2COOH + Ca(OH)2 = (CH3CH(NH2)CH2COO)2Ca + 2 H2O
Cr2(SO4)3 + NaBiO3 + NaOH = Na2CrO4 + Na2SO4 + Bi + H2O =>
5 Cr2(SO4)3 + 6 NaBiO3 + 44 NaOH = 10 Na2CrO4 + 15 Na2SO4 + 6 Bi + 22 H2O
Sn + HCl = SnCl2 + H2 =>
Sn + 2 HCl = SnCl2 + H2
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