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K2S3 + 2 HCl = H2S + 2 KCl + 2 S
C2H2 + O2 = CO2 + H2O =>
2 C2H2 + 5 O2 = 4 CO2 + 2 H2O
Na2CO3 + NO2 = NaNO2 + CO2 + NaNO3 =>
Na2CO3 + 2 NO2 = NaNO2 + CO2 + NaNO3
HCl + As2O3 + NaNO3 + H2O = NO + H2AsO4 + NaCl =>
2 HCl + As2O3 + 2 NaNO3 + H2O = 2 NO + 2 H2AsO4 + 2 NaCl
H2CO3 + Na = Na2CO3 + H2 =>
H2CO3 + 2 Na = Na2CO3 + H2
I2 + FeBr3 = IBr + Fe =>
3 I2 + 2 FeBr3 = 6 IBr + 2 Fe
Al + O2 = Al(O)3 =>
2 Al + 3 O2 = 2 Al(O)3
Ca(NO3)2 + Na2SO4 = CaSO4 + NaNO3 =>
Ca(NO3)2 + Na2SO4 = CaSO4 + 2 NaNO3
H5IO6 + NaOH = Na3H2IO6 + H2O =>
H5IO6 + 3 NaOH = Na3H2IO6 + 3 H2O
Fe(No3)3 + Ba(OH)2 = Fe(OH)3 + Ba(No3)2 =>
2 Fe(No3)3 + 3 Ba(OH)2 = 2 Fe(OH)3 + 3 Ba(No3)2
HCl + NaOH = NaCl + H2O =>
HCl + NaOH = NaCl + H2O
N2 + H2 = NH3 =>
N2 + 3 H2 = 2 NH3
C2H2 + H2 = C2H6 =>
C2H2 + 2 H2 = C2H6
C3H8 + HCl = C3H6Cl2 + H2 =>
C3H8 + 2 HCl = C3H6Cl2 + 2 H2
SeCl6 + Br2 = SeBr4 + Cl2 =>
SeCl6 + 2 Br2 = SeBr4 + 3 Cl2
Cr2O72 + H2SO4 = CrSO4 + H2O + O =>
Cr2O72 + 2 H2SO4 = 2 CrSO4 + 2 H2O + 70 O
H2 + O2 + Na2S2O3 = NaOH + SO3 =>
2 H2 + 5 O2 + 2 Na2S2O3 = 4 NaOH + 4 SO3
Al + HCl = AlCl3 + H2 =>
2 Al + 6 HCl = 2 AlCl3 + 3 H2
Ag(s) + N(g) = NAg3 =>
3 Ag(s) + N(g) = NAg3
Pt + O2 + SO2 = PtSO4 =>
Pt + O2 + SO2 = PtSO4
Ba(OH)2 + H2SO4 = BaSO4 + H2O =>
Ba(OH)2 + H2SO4 = BaSO4 + 2 H2O
CaSO3 + MgO = CaO + MgSO3 =>
CaSO3 + MgO = CaO + MgSO3
Ca + H + S + O2 = CaHSO6 =>
Ca + H + S + 3 O2 = CaHSO6
Cu2S + HNO3 = Cu(NO3)2 + H2SO4 + NO + H2O =>
3 Cu2S + 22 HNO3 = 6 Cu(NO3)2 + 3 H2SO4 + 10 NO + 8 H2O
H3 + PO3 = H3PO4 + PH3 =>
4 H3 + 4 PO3 = 3 H3PO4 + PH3
H2SO4 + NaNO2 = HNO2 + Na2SO4 =>
H2SO4 + 2 NaNO2 = 2 HNO2 + Na2SO4
Fe2(SO4)3 + HI = Fe2(SO4)2 + H2SO4 + I =>
Fe2(SO4)3 + 2 HI = Fe2(SO4)2 + H2SO4 + 2 I
Na2HPO4 + Mg = MgHPO4 + Na =>
Na2HPO4 + Mg = MgHPO4 + 2 Na
Ba + SnCl4 = Sn + BaCl2 =>
2 Ba + SnCl4 = Sn + 2 BaCl2
HNO3Na2SO3 = HSO3Na2NO3 =>
HNO3Na2SO3 = HSO3Na2NO3
C2H4O + KMnO4 + H2O = MnO2 + KOH + C2H4O2 =>
3 C2H4O + 2 KMnO4 + H2O = 2 MnO2 + 2 KOH + 3 C2H4O2
S + HCl = H2S + Cl2 =>
S + 2 HCl = H2S + Cl2
Cu2S + HNO3 = Cu(NO3)2 + H2SO4 + H2O + NO2 =>
Cu2S + 14 HNO3 = 2 Cu(NO3)2 + H2SO4 + 6 H2O + 10 NO2
NiCl2 + O2 = NiO + Cl2O5 =>
NiCl2 + 3 O2 = NiO + Cl2O5
C + F2 = CF4 =>
C + 2 F2 = CF4
Cu(NO3)2 + NaOH = NaNO3 + Cu(OH)2 =>
Cu(NO3)2 + 2 NaOH = 2 NaNO3 + Cu(OH)2
PbI2 + F2 = PbF + I =>
2 PbI2 + F2 = 2 PbF + 4 I
VCl5 = V + Cl =>
VCl5 = V + 5 Cl
NiCl2 + O2 = NiO + Cl2O5 =>
NiCl2 + 3 O2 = NiO + Cl2O5
CO(NO3)2 + NH3 = CO(NH3) + (NO3)2 =>
CO(NO3)2 + NH3 = CO(NH3) + (NO3)2
Ag(aq) + OH(aq) = Ag2O(s) + H2O(l) =>
2 Ag(aq) + 2 OH(aq) = Ag2O(s) + H2O(l)
CaCuCl2 = CuCaCl2 =>
CaCuCl2 = CuCaCl2
C2H2 + H2 = C2H6 =>
C2H2 + 2 H2 = C2H6
S + NaOH = Na2S + S2O3 + H2O =>
5 S + 6 NaOH = 3 Na2S + S2O3 + 3 H2O
Cr(OH)3 = Cr2O3 + H2O =>
2 Cr(OH)3 = Cr2O3 + 3 H2O
NaNO3 = NaNO2 + O2 =>
2 NaNO3 = 2 NaNO2 + O2
CH3CO2C2H5NaOH = C2H5OHCH3CO2Na =>
CH3CO2C2H5NaOH = C2H5OHCH3CO2Na
Sn(s) + HCl(aq) = SnCl4(aq) + H2(g) =>
Sn(s) + 4 HCl(aq) = SnCl4(aq) + 2 H2(g)
NH4ClO4 + C = N2 + H2O + HCl + CO2 =>
4 NH4ClO4 + 5 C = 2 N2 + 6 H2O + 4 HCl + 5 CO2
Al + Cu2(SO4)2 = Cu + Al2(SO4)3 =>
4 Al + 3 Cu2(SO4)2 = 6 Cu + 2 Al2(SO4)3
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