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2 Cu2S + 2 MgO = 4 Cu + 2 MgS + O2
CdSO4 + LiOH = Cd(OH)2 + Li2SO4 =>
CdSO4 + 2 LiOH = Cd(OH)2 + Li2SO4
Sb2S5 + HNO3 = H3 + SbO4 + H2SO4 + NO =>
3 Sb2S5 + 42 HNO3 = 4 H3 + 6 SbO4 + 15 H2SO4 + 42 NO
MnS + PbCl3 = MnCl3 + PbS =>
MnS + PbCl3 = MnCl3 + PbS
NaClO + NaI + H2SO4 = I2 + NaCl + Na2SO4 + H2O =>
NaClO + 2 NaI + H2SO4 = I2 + NaCl + Na2SO4 + H2O
NaHCo3 + C2H4O2 = C2HCo3 + NaH4O2 =>
NaHCo3 + C2H4O2 = C2HCo3 + NaH4O2
Cl + KBr = KCl + Br2 =>
2 Cl + 2 KBr = 2 KCl + Br2
FeCO3 + O2 + H2O = Fe(OH)3 + CO3 =>
4 FeCO3 + 3 O2 + 6 H2O = 4 Fe(OH)3 + 4 CO3
N4H8 = N4H12 + N2 =>
3 N4H8 = 2 N4H12 + 2 N2
C12H22O11 + O = C2H6O + CO2 =>
3 C12H22O11 + 6 O = 11 C2H6O + 14 CO2
(CH3CO)2O + H2O2 = CH3CO3 + H2O =>
(CH3CO)2O + 3 H2O2 = 2 CH3CO3 + 3 H2O
Fe3O4 + Y2O3 + MnCO3 + GeO2 = YFeMnGe4O12 + CO + O2 =>
4 Fe3O4 + 6 Y2O3 + 12 MnCO3 + 48 GeO2 = 12 YFeMnGe4O12 + 12 CO + 5 O2
N4H4(l) + N2O4(l) = N2(g) + H2O(g) =>
2 N4H4(l) + N2O4(l) = 5 N2(g) + 4 H2O(g)
Ni2O3 + Sn(NO3)2 = SnO + Ni(NO3)3 =>
Ni2O3 + 3 Sn(NO3)2 = 3 SnO + 2 Ni(NO3)3
La + C2O4 = LaC2O4 =>
La + C2O4 = LaC2O4
Cs(s) + P(s) = Cs3P(s) =>
3 Cs(s) + P(s) = Cs3P(s)
AuNO3 + Hg = Au + HgNO3 =>
AuNO3 + Hg = Au + HgNO3
Cl7H6O2 + O2 = Cl2 + H2O =>
2 Cl7H6O2 + O2 = 7 Cl2 + 6 H2O
UCl4 + KMnO4 + HCl = MnCl2 + UCl6 + KCl + H2O =>
5 UCl4 + 2 KMnO4 + 16 HCl = 2 MnCl2 + 5 UCl6 + 2 KCl + 8 H2O
S8(s) + O2(g) = SO3(g) =>
S8(s) + 12 O2(g) = 8 SO3(g)
K2Cr2O7 + C2H4(OH)2 + H2SO4 = Cr2(SO4)3 + K2SO4 + H2C2O4 + H2O =>
4 K2Cr2O7 + 3 C2H4(OH)2 + 16 H2SO4 = 4 Cr2(SO4)3 + 4 K2SO4 + 3 H2C2O4 + 22 H2O
Fe2O3 + H2O = FeO3H3 =>
Fe2O3 + 3 H2O = 2 FeO3H3
Cr2O7{-} + Fe{2+} + H{+} = Fe{3+} + Cr{3+} + H2O =>
Cr2O7{-} + 7 Fe{2+} + 14 H{+} = 7 Fe{3+} + 2 Cr{3+} + 7 H2O
Fe(g) + Cl(g) = Fe(lll)Cl(g) =>
Fe(g) + Cl(g) = Fe(lll)Cl(g)
MnO2(s) + HCl(aq) = MnCl2(aq) + Cl2 + H2O(l) =>
MnO2(s) + 4 HCl(aq) = MnCl2(aq) + Cl2 + 2 H2O(l)
Fe2O3 + CO = Fe + CO2 =>
Fe2O3 + 3 CO = 2 Fe + 3 CO2
C6H10O6 + H2O = HC2H3O2 + CO2 =>
4 C6H10O6 + 2 H2O = 11 HC2H3O2 + 2 CO2
Zu + CuBr2 = ZuBr2 + Cu =>
Zu + CuBr2 = ZuBr2 + Cu
NO3NH4 = NO3 + NH4 =>
NO3NH4 = NO3 + NH4
SnCl2 + I2 = SnCl4 + SnI2 =>
2 SnCl2 + I2 = SnCl4 + SnI2
LiOH + H2SiO3 = Li2SiO3 + H2O =>
2 LiOH + H2SiO3 = Li2SiO3 + 2 H2O
SnCl2 + I2 = SnI2 + Cl =>
SnCl2 + I2 = SnI2 + 2 Cl
SnCl2 + I2 = SnCl4 + SnI4 =>
2 SnCl2 + 2 I2 = SnCl4 + SnI4
SnCl2 + I2 = SnI2 + Cl2 =>
SnCl2 + I2 = SnI2 + Cl2
KI + H2(SO4) = K(HSO4) + I2 + H2S + H2O =>
8 KI + 9 H2(SO4) = 8 K(HSO4) + 4 I2 + H2S + 4 H2O
K4(Fe(CN)6) + CuNH3 + NO3 = Cu2(Fe(CN)6) + NH3 + KNO3 =>
K4(Fe(CN)6) + 2 CuNH3 + 4 NO3 = Cu2(Fe(CN)6) + 2 NH3 + 4 KNO3
Mg + NaF = MgF2 + Na =>
Mg + 2 NaF = MgF2 + 2 Na
Na2CO3 + H2PO4 = Na2PO4 + CO2 + H2O =>
Na2CO3 + H2PO4 = Na2PO4 + CO2 + H2O
MnSO4 + KClO4 + KOH = K2MnO4 + KCl + K2SO4 + H2O =>
2 MnSO4 + KClO4 + 8 KOH = 2 K2MnO4 + KCl + 2 K2SO4 + 4 H2O
MgNO3(aq) + NaOH(aq) = MgOH + NaNO3 =>
MgNO3(aq) + NaOH(aq) = MgOH + NaNO3
MnO2 + KCO3 + O2 = KMnO4 + CO2 =>
2 MnO2 + 2 KCO3 + O2 = 2 KMnO4 + 2 CO2
NH3 + NaNO3 + H2SO4 = NH4NO3 + Na2SO4 =>
2 NH3 + 2 NaNO3 + H2SO4 = 2 NH4NO3 + Na2SO4
K2Cr2O7 + Cu + HCl = CrCl3 + CuCl + KCl + H2O =>
K2Cr2O7 + 6 Cu + 14 HCl = 2 CrCl3 + 6 CuCl + 2 KCl + 7 H2O
SiO2 + HF = SiF4 + H2O =>
SiO2 + 4 HF = SiF4 + 2 H2O
HC3H5O3(aq) + OH(aq) = C3H5O3(aq) + H2O(l) =>
HC3H5O3(aq) + OH(aq) = C3H5O3(aq) + H2O(l)
Zn + Ni(NO)2 = Zn(NO) + Ni =>
2 Zn + Ni(NO)2 = 2 Zn(NO) + Ni
Mg + NaF = MgF2 + Na =>
Mg + 2 NaF = MgF2 + 2 Na
OH{-} + NH2OH + HgCl2 = Hg + N2O + Cl{-} + H2O =>
4 OH{-} + 2 NH2OH + 2 HgCl2 = 2 Hg + N2O + 4 Cl{-} + 5 H2O
Mn(NO3)2 + NaClO + H2O = NaCl + MnO2 + HNO3 =>
Mn(NO3)2 + NaClO + H2O = NaCl + MnO2 + 2 HNO3
CH4 + O2 = CO2 + H2O =>
CH4 + 2 O2 = CO2 + 2 H2O
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