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2 Na2S2O3 + I2 = Na2S4O6 + 2 NaI
C6H5COOH + O2 = CO2 + H2O =>
2 C6H5COOH + 15 O2 = 14 CO2 + 6 H2O
CuSO4*5H2O = CuSO4 + H2O =>
CuSO4*5H2O = CuSO4 + 5 H2O
PhCH3 + KMnO4 + H2SO4 = PhCOOH + K2SO4 + MnSO4 + H2O =>
5 PhCH3 + 6 KMnO4 + 9 H2SO4 = 5 PhCOOH + 3 K2SO4 + 6 MnSO4 + 14 H2O
MnO4{-} + SO3{-2} + H2O = MnO2 + SO4{2-} + OH{-} =>
2 MnO4{-} + 3 SO3{-2} + H2O = 2 MnO2 + 3 SO4{2-} + 2 OH{-}
Pb(NO3)2 + K2SO4 = PbSO4 + KNO3 =>
Pb(NO3)2 + K2SO4 = PbSO4 + 2 KNO3
KIO4(aq) + KI(aq) + HCl(aq) = KCl(aq) + I2(s) + H2O(l) =>
KIO4(aq) + 7 KI(aq) + 8 HCl(aq) = 8 KCl(aq) + 4 I2(s) + 4 H2O(l)
MnO4{-} + H{+} + H2SO3 = Mn{2+} + HSO4{-} + H2O =>
2 MnO4{-} + H{+} + 5 H2SO3 = 2 Mn{2+} + 5 HSO4{-} + 3 H2O
Pb(OH)2 + HCl = H2O + PbCl2 =>
Pb(OH)2 + 2 HCl = 2 H2O + PbCl2
[Co(H2O)6]Cl2 + C2H5OH = [Co(C2H5OH)]Cl2 + H2O =>
[Co(H2O)6]Cl2 + C2H5OH = [Co(C2H5OH)]Cl2 + 6 H2O
NaClO + PbS = PbSO4 + NaCl =>
4 NaClO + PbS = PbSO4 + 4 NaCl
C6H6 + O2 = CO2 + H2O =>
2 C6H6 + 15 O2 = 12 CO2 + 6 H2O
FeCO3 + S = FeS2 + CO2 + O2 =>
2 FeCO3 + 4 S = 2 FeS2 + 2 CO2 + O2
H2SiF6 + Ti = TiF4 + SiF4 + H2 =>
2 H2SiF6 + Ti = TiF4 + 2 SiF4 + 2 H2
Fe + HCl = FeCl2 + H2 =>
Fe + 2 HCl = FeCl2 + H2
Na2SiF6Cu(NO3)2 = CuSiF6Na2(NO3)2 =>
Na2SiF6Cu(NO3)2 = CuSiF6Na2(NO3)2
K + CrCl3 = Cr + KCl =>
3 K + CrCl3 = Cr + 3 KCl
Mg2SO4 = Mg2 + SO4 =>
Mg2SO4 = Mg2 + SO4
KClO3 + H2SO4 = O2 + ClO2 + K2SO3 + H2O =>
2 KClO3 + H2SO4 = O2 + 2 ClO2 + K2SO3 + H2O
C6H6 + O2 = CO2 + H2O =>
2 C6H6 + 15 O2 = 12 CO2 + 6 H2O
Cl + CaI = CaCl2 + I2 =>
4 Cl + 2 CaI = 2 CaCl2 + I2
Al + Ba(OH)2 = AlO2{2-} + H2 + Ba{2+} =>
Al + Ba(OH)2 = AlO2{2-} + H2 + Ba{2+}
(NH4)2Cr2O7 = N2Cr2O3 + H2O =>
(NH4)2Cr2O7 = N2Cr2O3 + 4 H2O
CuCl2 + Fe = Cu + FeCl =>
CuCl2 + 2 Fe = Cu + 2 FeCl
CH3COOH + NaOH = NaCH3COO + H2O =>
CH3COOH + NaOH = NaCH3COO + H2O
CaCl2 + K2CO3 = CaCO3 + KCl =>
CaCl2 + K2CO3 = CaCO3 + 2 KCl
Mg + HClO2 = Mg(ClO2)2 + Cl2 + H2O =>
3 Mg + 8 HClO2 = 3 Mg(ClO2)2 + Cl2 + 4 H2O
BaCl2(ac) + H2SO4(ac) = BaSO4(s) + HCl(ac) =>
BaCl2(ac) + H2SO4(ac) = BaSO4(s) + 2 HCl(ac)
Na2O + Cl2O = NaCl + O2 =>
Na2O + Cl2O = 2 NaCl + O2
NaHCO3(s) + CH3COOH = H2O(l) + CO2(g) + CH3COONa(aq) =>
NaHCO3(s) + CH3COOH = H2O(l) + CO2(g) + CH3COONa(aq)
C7H8N2(s) + O2(g) = CO2(g) + H2O(g) + NO2(g) =>
C7H8N2(s) + 11 O2(g) = 7 CO2(g) + 4 H2O(g) + 2 NO2(g)
C + H2 = C2H6 =>
2 C + 3 H2 = C2H6
FeS + CaO = CaS + FeO =>
FeS + CaO = CaS + FeO
NaI + KMnO4 + KOH = NaOH + K2MnO4 + I2 =>
2 NaI + 2 KMnO4 + 2 KOH = 2 NaOH + 2 K2MnO4 + I2
Pb + AgNO4 = PbNO4 + Ag =>
Pb + AgNO4 = PbNO4 + Ag
Na + O2 = Na2O =>
4 Na + O2 = 2 Na2O
Fe2O3 + KNo3 + K2CO3 = K2FeO4 + KNo2 + CO2 =>
Fe2O3 + 12 KNo3 + 5 K2CO3 = 2 K2FeO4 + 18 KNo2 + 5 CO2
C3H7I + NaOH = C3H7OH + NaI =>
C3H7I + NaOH = C3H7OH + NaI
Fe2(SO4)3 + KOH = K2SO4 + Fe(OH)3 =>
Fe2(SO4)3 + 6 KOH = 3 K2SO4 + 2 Fe(OH)3
C2H5N3O9 = CO2 + H2O + N2 + O2 =>
4 C2H5N3O9 = 8 CO2 + 10 H2O + 6 N2 + 5 O2
FeI + CI = FeCI + I =>
FeI + CI = FeCI + I
K2Cr2O7 + Fe(SO)4 + H2SO4 = Cr(SO4)3 + K2(SO)4 + Fe2(SO4)3 + H2O =>
19 K2Cr2O7 + 18 Fe(SO)4 + 145 H2SO4 = 38 Cr(SO4)3 + 19 K2(SO)4 + 9 Fe2(SO4)3 + 145 H2O
AlO2 + HCl = Al + Cl2 + H2O =>
AlO2 + 4 HCl = Al + 2 Cl2 + 2 H2O
CaCl2 + Cs3PO4 = Ca(PO4)2 + Cl2Cs6 =>
CaCl2 + 2 Cs3PO4 = Ca(PO4)2 + Cl2Cs6
FeCl3(aq) + H2S(g) = FeCl2(aq) + HCl(aq) + S(s) =>
2 FeCl3(aq) + H2S(g) = 2 FeCl2(aq) + 2 HCl(aq) + S(s)
HCOOH + C2H5OH = C2H5COOH + H2O =>
HCOOH + C2H5OH = C2H5COOH + H2O
Al + Br2 = AlBr3 =>
2 Al + 3 Br2 = 2 AlBr3
ZnSO4 + KCl = ZnCl2 + K2(SO4) =>
ZnSO4 + 2 KCl = ZnCl2 + K2(SO4)
H2SeO3 + Na2SeO4 = Na2SeO3 + H2SeO4 =>
H2SeO3 + Na2SeO4 = Na2SeO3 + H2SeO4
N2 + H2 = NH3 =>
N2 + 3 H2 = 2 NH3
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