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H2N2O2 = 2 HNO
K + S = K2S =>
2 K + S = K2S
C3H6 + O2 = CO2 + H2O =>
2 C3H6 + 9 O2 = 6 CO2 + 6 H2O
CH4 + O2 = CO2 + H2O =>
CH4 + 2 O2 = CO2 + 2 H2O
Zn + H2SO4 = ZnSO4 + H2S + H2O =>
4 Zn + 5 H2SO4 = 4 ZnSO4 + H2S + 4 H2O
Fe + HCl = FeCl2 + H2 =>
Fe + 2 HCl = FeCl2 + H2
PCl5 + H2O = POCl3 + HCl =>
PCl5 + H2O = POCl3 + 2 HCl
Fe + Cl2 = FeCl3 =>
2 Fe + 3 Cl2 = 2 FeCl3
H2SO4 + Fe(OH)3 = Fe2(SO4)3 + H2O =>
3 H2SO4 + 2 Fe(OH)3 = Fe2(SO4)3 + 6 H2O
Sb2S3 + Fe = FeS + Sb =>
Sb2S3 + 3 Fe = 3 FeS + 2 Sb
HNO3 + HCl = NO + Cl2 + H2O =>
2 HNO3 + 6 HCl = 2 NO + 3 Cl2 + 4 H2O
Al + H3O{+} = Al{3} + H2 + H2O =>
2 Al + 6 H3O{+} = 2 Al{3} + 3 H2 + 6 H2O
K2Cr2O7 + H2SO4 + C2H5OH = Cr2(SO4)3 + K2SO4 + CH3COOH + H2O =>
2 K2Cr2O7 + 8 H2SO4 + 3 C2H5OH = 2 Cr2(SO4)3 + 2 K2SO4 + 3 CH3COOH + 11 H2O
Fe{3+} + SCN{-} = FeSCN{2+} =>
Fe{3+} + SCN{-} = FeSCN{2+}
Na2CO3 + H2SO4 = Na2SO4 + CO2 + H2O =>
Na2CO3 + H2SO4 = Na2SO4 + CO2 + H2O
P + O2 = P4O10 =>
4 P + 5 O2 = P4O10
Al(OH)3 = Al2O3 + H2O =>
2 Al(OH)3 = Al2O3 + 3 H2O
Fe{3+} + SCN{-} = FeSCN{2+} =>
Fe{3+} + SCN{-} = FeSCN{2+}
KOH + Cl2 = KClO3 + H2O + KCl =>
6 KOH + 3 Cl2 = KClO3 + 3 H2O + 5 KCl
BACO3(s) = BAO(s) + CO2(g) =>
BACO3(s) = BAO(s) + CO2(g)
NH3 + F2 = NF3 + HF =>
NH3 + 3 F2 = NF3 + 3 HF
HCl + Na2So4 = H2So4 + NaCl =>
2 HCl + Na2So4 = H2So4 + 2 NaCl
C6HO6 + O2 = CO2 + H2O =>
4 C6HO6 + 13 O2 = 24 CO2 + 2 H2O
S + O2 = SO2 =>
S + O2 = SO2
H2O + NaClO3 + SO2 = H2SO4 + NaCl =>
3 H2O + NaClO3 + 3 SO2 = 3 H2SO4 + NaCl
FEO + C = FE + CO2 =>
2 FEO + C = 2 FE + CO2
H2SO4 + Fe = FeSO4 + H20 =>
10 H2SO4 + 10 Fe = 10 FeSO4 + H20
Al + HCl = AlCl3 + H2 =>
2 Al + 6 HCl = 2 AlCl3 + 3 H2
(NH4)2SO4 + BaCl = (NH4)2Cl + Ba(SO4) =>
(NH4)2SO4 + BaCl = (NH4)2Cl + Ba(SO4)
Fe(OH)3 = Fe2O3 + H2O =>
2 Fe(OH)3 = Fe2O3 + 3 H2O
SN + HNO3 = SNO2 + NO2 + H20 =>
10 SN + 20 HNO3 = 10 SNO2 + 20 NO2 + H20
PH3 + KMNO4 + H2SO4 = K2SO4 + MNSO4 + H3PO4 + H2O =>
5 PH3 + 8 KMNO4 + 12 H2SO4 = 4 K2SO4 + 8 MNSO4 + 5 H3PO4 + 12 H2O
NH4OH + CaCl2 = CaOH + NH4Cl2 =>
NH4OH + CaCl2 = CaOH + NH4Cl2
CH3OH + O2 = CO2 + H2O =>
2 CH3OH + 3 O2 = 2 CO2 + 4 H2O
N2O3 + H2O = HNO2 =>
N2O3 + H2O = 2 HNO2
C2H2 + O2 = CO2 + H2O =>
2 C2H2 + 5 O2 = 4 CO2 + 2 H2O
CA(OH)2 + H2CO3 = CACO3 + H2O =>
CA(OH)2 + H2CO3 = CACO3 + 2 H2O
NaOH + HCl = NaCl + H2O =>
NaOH + HCl = NaCl + H2O
Cu2O + O2 = CuO =>
2 Cu2O + O2 = 4 CuO
N2H4 + N2O4 = N2 + H2O =>
2 N2H4 + N2O4 = 3 N2 + 4 H2O
Hydrogen + Oxygen = water =>
2 H2 + O2 = 2 H2O
BaCl2 + Na2SO4 = BaSO4 + NaCl =>
BaCl2 + Na2SO4 = BaSO4 + 2 NaCl
Ca(OH)2 + NH4Cl = NH3 + CaCl2 + H2O =>
Ca(OH)2 + 2 NH4Cl = 2 NH3 + CaCl2 + 2 H2O
SO2 + O2 = SO3 =>
2 SO2 + O2 = 2 SO3
Cl2O7 + H2O = HClO4 =>
Cl2O7 + H2O = 2 HClO4
NaOH + HCl = NaCl + H2O =>
NaOH + HCl = NaCl + H2O
(C2H5)2NCl + CH2O = (C2H5)2NH + COCl2 =>
2(C2H5)2NCl + CH2O = 2(C2H5)2NH + COCl2
KNO2 + KI + H2So4 = NO + I2 + K2So4 + H2O =>
2 KNO2 + 2 KI + 2 H2So4 = 2 NO + I2 + 2 K2So4 + 2 H2O
Cl2O + H2O = HClO =>
Cl2O + H2O = 2 HClO
Cl2 + NaI = NaCl + I2 =>
Cl2 + 2 NaI = 2 NaCl + I2
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