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4 Fe + 3 O2 = 2 Fe2O3
FeCl2 + Cl2 = FeCl3 =>
2 FeCl2 + Cl2 = 2 FeCl3
C3H8 + O2 = CO2 + H2O =>
C3H8 + 5 O2 = 3 CO2 + 4 H2O
H{+} + Cr2O7{2-} + H2O2 = H2CrO6 + H2O =>
2 H{+} + Cr2O7{2-} + 4 H2O2 = 2 H2CrO6 + 3 H2O
CH4 + O2 = CO2 + H2O =>
CH4 + 2 O2 = CO2 + 2 H2O
Fe2O3 + C = Fe + CO =>
Fe2O3 + 3 C = 2 Fe + 3 CO
C2H6 = C2H4 + H2 =>
C2H6 = C2H4 + H2
H{+} + Cr2O7{2-} + H2O2 = H2CrO5 + H2O =>
2 H{+} + Cr2O7{2-} + 2 H2O2 = 2 H2CrO5 + H2O
SbCl5 + H2O = SbOCl3 + HCl =>
SbCl5 + H2O = SbOCl3 + 2 HCl
Iron + water = hydrogen + Fe2O3 =>
2 Fe + 3 H2O = 3 H2 + Fe2O3
C2H4 + KMnO4 + H2O = C2H4(OH)2 + MnO2 + KOH =>
3 C2H4 + 2 KMnO4 + 4 H2O = 3 C2H4(OH)2 + 2 MnO2 + 2 KOH
Mg(OH)2 = MgO + H2O =>
Mg(OH)2 = MgO + H2O
Al + H2SO4 = Al2(SO4)3 + H2 =>
2 Al + 3 H2SO4 = Al2(SO4)3 + 3 H2
H{+} + Cr2O7{2-} + H2O2 = CrO4 + H2O =>
2 H{+} + Cr2O7{2-} + 2 H2O2 = 2 CrO4 + 3 H2O
SiF4 + K = KF + Si =>
SiF4 + 4 K = 4 KF + Si
UO3 + BrF3 = UF4 + Br2 + O2 =>
6 UO3 + 8 BrF3 = 6 UF4 + 4 Br2 + 9 O2
carbondioxide + water = carbonicacid =>
CO2 + H2O = H2CO3
Ca(OH)2 + NH4Cl = CaCl2 + H2O + NH3 =>
Ca(OH)2 + 2 NH4Cl = CaCl2 + 2 H2O + 2 NH3
sodium + water = sodiumhydroxide + hydrogen =>
2 Na + 2 H2O = 2 NaOH + H2
KMNO4 = K2MNO4 + MNO2 + O2 =>
2 KMNO4 = K2MNO4 + MNO2 + O2
Na2CO3 + Ca(OH)2 = NaOH + CaCO3 =>
Na2CO3 + Ca(OH)2 = 2 NaOH + CaCO3
FeCl3 + H2O = Fe(OH)3 + HCl =>
FeCl3 + 3 H2O = Fe(OH)3 + 3 HCl
K2O + H2O = KOH =>
K2O + H2O = 2 KOH
Sr + O2 = SrO =>
2 Sr + O2 = 2 SrO
Hg(OH)2 + H3PO4 = Hg3(PO4)2 + H2O =>
3 Hg(OH)2 + 2 H3PO4 = Hg3(PO4)2 + 6 H2O
KOH + MnO2 + KNO3 = K2MnO4 + KNO2 + H2O =>
2 KOH + MnO2 + KNO3 = K2MnO4 + KNO2 + H2O
K + N2 = K3N =>
6 K + N2 = 2 K3N
Ca(OH)2 + C2H2 + Cl2 = CaCl2 + C2HCl3 + H2O =>
Ca(OH)2 + 2 C2H2 + 4 Cl2 = CaCl2 + 2 C2HCl3 + 2 H2O
CaCO3 + HCl = CaCl2 + CO2 + H2O =>
CaCO3 + 2 HCl = CaCl2 + CO2 + H2O
KBr + KMnO4 + H2SO4 = K2SO4 + MnSO4 + Br2 + H2O =>
10 KBr + 2 KMnO4 + 8 H2SO4 = 6 K2SO4 + 2 MnSO4 + 5 Br2 + 8 H2O
CaCl2 + HNO3 = Ca(NO3)2 + HCl =>
CaCl2 + 2 HNO3 = Ca(NO3)2 + 2 HCl
C14H30 + O2 = H2O + CO2 =>
2 C14H30 + 43 O2 = 30 H2O + 28 CO2
sulfurdioxide + water = H2SO3 =>
SO2 + H2O = H2SO3
K + Cl2 = KCl =>
2 K + Cl2 = 2 KCl
H2O2 = H2O + O2 =>
2 H2O2 = 2 H2O + O2
C4H10 + Cl2 = C4H9 + HCl =>
2 C4H10 + Cl2 = 2 C4H9 + 2 HCl
Ag(s) + Au(NO3)3(aq) = Au(s) + AgNO3(s) =>
3 Ag(s) + Au(NO3)3(aq) = Au(s) + 3 AgNO3(s)
C10H16 + Cl2 = C + HCl =>
C10H16 + 8 Cl2 = 10 C + 16 HCl
H3PO3 = PH3 + H3PO4 =>
4 H3PO3 = PH3 + 3 H3PO4
CH4S + O2 = CO2 + H2O + SO3 =>
2 CH4S + 7 O2 = 2 CO2 + 4 H2O + 2 SO3
Fe + CuNO3 = Fe(NO3)2 + Cu =>
Fe + 2 CuNO3 = Fe(NO3)2 + 2 Cu
TiO2 + BrF3 = TiF4 + Br2 + O2 =>
3 TiO2 + 4 BrF3 = 3 TiF4 + 2 Br2 + 3 O2
Ag(s) + Au(NO3)3(aq) = Au(s) + Ag(NO3)2(s) =>
3 Ag(s) + 2 Au(NO3)3(aq) = 2 Au(s) + 3 Ag(NO3)2(s)
NaOH + CO2 = Na2CO3 + H2O =>
2 NaOH + CO2 = Na2CO3 + H2O
H2SO4 + B(OH)3 = B2(SO4)3 + H2O =>
3 H2SO4 + 2 B(OH)3 = B2(SO4)3 + 6 H2O
Ag(s) + Au(NO3)3(aq) = Au(s) + AgNO3(s) =>
3 Ag(s) + Au(NO3)3(aq) = Au(s) + 3 AgNO3(s)
H2CO3 + H2O = H3O + HCO3 =>
H2CO3 + H2O = H3O + HCO3
Ag(s) + Au(NO3)3(aq) = Au(s) + AgNO3(s) =>
3 Ag(s) + Au(NO3)3(aq) = Au(s) + 3 AgNO3(s)
C3H8 + O2 = CO2 + H2O =>
C3H8 + 5 O2 = 3 CO2 + 4 H2O
CaO + NH4Cl = NH3 + H2O + CaCl2 =>
CaO + 2 NH4Cl = 2 NH3 + H2O + CaCl2
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