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15 Na2S2O8 + C6H6 + 12 H2O = 6 CO2 + 30 NaHSO4
Cl2O7 + HNO3 = NO2ClO4 + H2O =>
Cl2O7 + 2 HNO3 = 2 NO2ClO4 + H2O
Fe(OH)3 + HCl = FeCl3 + H2O =>
Fe(OH)3 + 3 HCl = FeCl3 + 3 H2O
CoCl2 = Co + Cl2 =>
CoCl2 = Co + Cl2
K2S + CdCl2 = KCl + CdS =>
K2S + CdCl2 = 2 KCl + CdS
ZnS + Fe{+3} = Fe + Zn{2+} + S =>
3 ZnS + 2 Fe{+3} = 2 Fe + 3 Zn{2+} + 3 S
C3H6O3 + Na = C3H4O3Na3 + H2 =>
C3H6O3 + 3 Na = C3H4O3Na3 + H2
Na2O(s) + P4O10(s) = Na3PO4(s) =>
6 Na2O(s) + P4O10(s) = 4 Na3PO4(s)
NH4 + F = NH4F =>
NH4 + F = NH4F
NaS + KMnO4 + H2O = S + MnO2 + NaOH + KOH =>
3 NaS + KMnO4 + 2 H2O = 3 S + MnO2 + 3 NaOH + KOH
K + AlCl3 = K3Cl + Al =>
9 K + AlCl3 = 3 K3Cl + Al
NaCl + FeCl2 = NaCl3 + Fe =>
NaCl + FeCl2 = NaCl3 + Fe
MnO2 + K2SO2 + H2SO4 = MnSO4 + K2SO4 + H2O =>
2 MnO2 + K2SO2 + 2 H2SO4 = 2 MnSO4 + K2SO4 + 2 H2O
FeFe + S = Fe()S =>
FeFe + 2 S = 2 Fe()S
CO2 + CuO = CuCO3 =>
CO2 + CuO = CuCO3
K2HPO4 + CH3COOH = KH2PO4 + CH3COOK =>
K2HPO4 + CH3COOH = KH2PO4 + CH3COOK
Mo(s) + FeCl2(aq) = Fe(s) + MoCl3(aq) =>
2 Mo(s) + 3 FeCl2(aq) = 3 Fe(s) + 2 MoCl3(aq)
C2H5NO2 + CuO = (C2H4NO2)2Cu + H2O =>
2 C2H5NO2 + CuO = (C2H4NO2)2Cu + H2O
K2Cr2O7 + H2SO4 + NaNO2 = NaNO3 + K2SO4 + Cr2(SO4)3 + H2O =>
K2Cr2O7 + 4 H2SO4 + 3 NaNO2 = 3 NaNO3 + K2SO4 + Cr2(SO4)3 + 4 H2O
Cr + CO2 = Cr2O3 + CO =>
2 Cr + 3 CO2 = Cr2O3 + 3 CO
MgS + HCl = H2S + MgCl2 =>
MgS + 2 HCl = H2S + MgCl2
Al2 + CuCl2 = AlCl3 + Cu3 =>
Al2 + 3 CuCl2 = 2 AlCl3 + Cu3
(c)K2Cr2O7(aq) + HI(aq) = KI(aq) + CrI3(aq) + I2(s) + H2O(l) =>
(c)K2Cr2O7(aq) + 14 HI(aq) = 2 KI(aq) + 2 CrI3(aq) + 3 I2(s) + 7 H2O(l)
NaOH + Na = Na[NaOH] =>
NaOH + Na = Na[NaOH]
FeCl3 + Na3Co2 = Fe2(Co2)2 + NaCl =>
2 FeCl3 + 2 Na3Co2 = Fe2(Co2)2 + 6 NaCl
NaOH + (NH4)2CO3 = NH3 + Na2CO3 + H2O =>
2 NaOH + (NH4)2CO3 = 2 NH3 + Na2CO3 + 2 H2O
LiHCO3(aq) + HBr(aq) = LiBr(s) + H2CO3(aq) =>
LiHCO3(aq) + HBr(aq) = LiBr(s) + H2CO3(aq)
HCl + H2SeO4 = H2Se + Cl2 + H2O =>
8 HCl + H2SeO4 = H2Se + 4 Cl2 + 4 H2O
Al2P3 = Al + P4 =>
4 Al2P3 = 8 Al + 3 P4
BaSO4 + HNO3 = Ba(NO3)2 + H2SO4 =>
BaSO4 + 2 HNO3 = Ba(NO3)2 + H2SO4
Al{2}S{3} + K = K{2}S + Al =>
Al{2}S{3} + K = K{2}S + Al
Fe(NO3)3 + NH4OH = Fe(OH)3 + NH4NO3 =>
Fe(NO3)3 + 3 NH4OH = Fe(OH)3 + 3 NH4NO3
Mg + NaOH + H2O = NaMg(OH)2 + H =>
Mg + NaOH + H2O = NaMg(OH)2 + H
CaBr2 + H2SO4 = CaSO4 + HBr(g) =>
CaBr2 + H2SO4 = CaSO4 + 2 HBr(g)
Ba(NO3)2(ac) + MgCl2(ac) = BaCl2(ac) + Mg(NO3)2(ac) =>
Ba(NO3)2(ac) + MgCl2(ac) = BaCl2(ac) + Mg(NO3)2(ac)
KBr + H2SO4 = K2SO4 + Br2 + H2SO2 + H2O =>
4 KBr + 3 H2SO4 = 2 K2SO4 + 2 Br2 + H2SO2 + 2 H2O
Mg(OH)2 + HCl = HCl(OH) + Mg =>
Mg(OH)2 + 2 HCl = 2 HCl(OH) + Mg
NH3 + Mg + Na2HPO4 = MgNH4PO4 + Na =>
NH3 + Mg + Na2HPO4 = MgNH4PO4 + 2 Na
Co(OH)3 + HNO3 = Co(NO3)3 + H2O =>
Co(OH)3 + 3 HNO3 = Co(NO3)3 + 3 H2O
In + O2 = In2O3 =>
4 In + 3 O2 = 2 In2O3
C2H5OH + Br2 = C2H5Br + HBr + O2 =>
2 C2H5OH + 2 Br2 = 2 C2H5Br + 2 HBr + O2
La2O3 + H2O = La(OH)3 =>
La2O3 + 3 H2O = 2 La(OH)3
HI + Ag(NO3) = AgI + H(NO3) =>
HI + Ag(NO3) = AgI + H(NO3)
GeF2 + F2 = GeF4 =>
GeF2 + F2 = GeF4
Ba + HCl = Ba2HCl =>
2 Ba + HCl = Ba2HCl
KCl + NH3 = K3N + HCl =>
3 KCl + NH3 = K3N + 3 HCl
NaCl + MnO2 = Na2O + MnCl4 =>
4 NaCl + MnO2 = 2 Na2O + MnCl4
KBr + MnO2 + H2SO4 = Br2 + H2O + KHSO4 + MnSO4 =>
2 KBr + MnO2 + 3 H2SO4 = Br2 + 2 H2O + 2 KHSO4 + MnSO4
As2O3 + H2O = HAsO2 =>
As2O3 + H2O = 2 HAsO2
Fe + O2 = Fe3O4 =>
3 Fe + 2 O2 = Fe3O4
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