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C2H4 + 3 O2 = 2 CO2 + 2 H2O
COSO4 + NH4SCN = CO(SCN)2 + (NH4)2SO4 =>
COSO4 + 2 NH4SCN = CO(SCN)2 + (NH4)2SO4
LiNO3 + CaBr2 = Ca(NO3)2 + LiBr =>
2 LiNO3 + CaBr2 = Ca(NO3)2 + 2 LiBr
C + H2O = CO + H2 =>
C + H2O = CO + H2
Os + HNO3 = OsO4 + NO2 + H2O =>
Os + 8 HNO3 = OsO4 + 8 NO2 + 4 H2O
Na + H2O = NaOH + H2 =>
2 Na + 2 H2O = 2 NaOH + H2
NO2 + H2O = NH3 + O2 =>
4 NO2 + 6 H2O = 4 NH3 + 7 O2
Zn + AgNO3 = Zn(NO3)2 + Ag =>
Zn + 2 AgNO3 = Zn(NO3)2 + 2 Ag
C2B8H6 + O2 = B2O3 + CO2 + H2O =>
2 C2B8H6 + 19 O2 = 8 B2O3 + 4 CO2 + 6 H2O
Ca + HCl = CaCl2 + H2 =>
Ca + 2 HCl = CaCl2 + H2
Na2C2O4 + NaMnO4 + NaOH = Na2CO3 + MnO2 + H2O =>
3 Na2C2O4 + 2 NaMnO4 + 4 NaOH = 6 Na2CO3 + 2 MnO2 + 2 H2O
S + H2O = HS + OH =>
S + H2O = HS + OH
Mg + CO2 = MgO + C =>
2 Mg + CO2 = 2 MgO + C
MnO2 + Al = Al2O3 + Mn =>
3 MnO2 + 4 Al = 2 Al2O3 + 3 Mn
Al2O3 + HCl + NaOH = Al(OH)3 + NaCl =>
Al2O3 + 3 HCl + 3 NaOH = 2 Al(OH)3 + 3 NaCl
Fe + Ag(NO3) = Fe(NO3)2 + Ag =>
Fe + 2 Ag(NO3) = Fe(NO3)2 + 2 Ag
KNO2 + K2Cr2O7 + H2SO4 = KNO3 + K2SO4 + Cr2(SO4)3 + H2O =>
3 KNO2 + K2Cr2O7 + 4 H2SO4 = 3 KNO3 + K2SO4 + Cr2(SO4)3 + 4 H2O
HClO4 + P4O10 = H3PO4 + Cl2O7 =>
12 HClO4 + P4O10 = 4 H3PO4 + 6 Cl2O7
NaOH + H = H2NaO =>
NaOH + H = H2NaO
Zn + HCl = ZnCl2 + H2 =>
Zn + 2 HCl = ZnCl2 + H2
(NH4)2S + Pb(NO3)2 = NH4NO3 + PbS =>
(NH4)2S + Pb(NO3)2 = 2 NH4NO3 + PbS
Cr(OH)3(s) + H2SO4(aq) = Cr2(SO4)3(aq) + H2O(l) =>
2 Cr(OH)3(s) + 3 H2SO4(aq) = Cr2(SO4)3(aq) + 6 H2O(l)
(NH4)2S + Pb(NO3)2 = NH4NO3 + PbS =>
(NH4)2S + Pb(NO3)2 = 2 NH4NO3 + PbS
Fe2O3 + CO = Fe + CO2 =>
Fe2O3 + 3 CO = 2 Fe + 3 CO2
Ca + K2S = CaS + K =>
Ca + K2S = CaS + 2 K
Fe(OH)2Cl + HCl = FeCl3 + H2O =>
Fe(OH)2Cl + 2 HCl = FeCl3 + 2 H2O
CuC2O4 + NaOH = Cu(OH)2 + Na2C2O4 =>
CuC2O4 + 2 NaOH = Cu(OH)2 + Na2C2O4
CuSO4 + NaOH = Cu(OH)2 + Na2SO4 =>
CuSO4 + 2 NaOH = Cu(OH)2 + Na2SO4
MgO + HBr = MgBr2 + H2O =>
MgO + 2 HBr = MgBr2 + H2O
I2 + Na2S2O3 = NaI + Na2S4O6 =>
I2 + 2 Na2S2O3 = 2 NaI + Na2S4O6
CH3NH2 + H2S = CH3NH3HS =>
CH3NH2 + H2S = CH3NH3HS
HNO3 + CaS = CaHNO3 + S =>
HNO3 + CaS = CaHNO3 + S
CH3OH + O2 = CO2 + H2O =>
2 CH3OH + 3 O2 = 2 CO2 + 4 H2O
C3H8 + O2 = CO2 + H2O =>
C3H8 + 5 O2 = 3 CO2 + 4 H2O
Cl2 + NaBr = NaCl + Br2 =>
Cl2 + 2 NaBr = 2 NaCl + Br2
C2B8H7 + O2 = B2O3 + CO2 + H2O =>
4 C2B8H7 + 39 O2 = 16 B2O3 + 8 CO2 + 14 H2O
Fe + H2O = Fe3O4 + H2 =>
3 Fe + 4 H2O = Fe3O4 + 4 H2
NaC2H3O2 + CaBr2 = NaBr + Ca(C2H3O2)2 =>
2 NaC2H3O2 + CaBr2 = 2 NaBr + Ca(C2H3O2)2
Al2O3 + Cl2O7 = AlCl3 + O2 =>
Al2O3 + 3 Cl2O7 = 2 AlCl3 + 12 O2
O2 + Hg2Cl2 + KSb(OH)6 = Hg2Sb2O7 + KCl + H2O =>
O2 + 2 Hg2Cl2 + 4 KSb(OH)6 = 2 Hg2Sb2O7 + 4 KCl + 12 H2O
(H2SO4) + KHO = (K2SO4) + H2O =>
(H2SO4) + 2 KHO = (K2SO4) + 2 H2O
PbCl2 + K2S = Pb2S2 + KCl =>
2 PbCl2 + 2 K2S = Pb2S2 + 4 KCl
Cr2O7{2-} + S{2-} + H2O = S + Cr{3+} + OH{-} =>
Cr2O7{2-} + 3 S{2-} + 7 H2O = 3 S + 2 Cr{3+} + 14 OH{-}
C2H3O2H + Na(CO3)2 = CO2 + H2O + NaCH3CO2 =>
11 C2H3O2H + 8 Na(CO3)2 = 22 CO2 + 10 H2O + 8 NaCH3CO2
(OH)2 = O2H2 =>
(OH)2 = O2H2
KO2 + CO2 = K2CO3 + O2 =>
4 KO2 + 2 CO2 = 2 K2CO3 + 3 O2
V2O5 + HCl = VOCl3 + H2O =>
V2O5 + 6 HCl = 2 VOCl3 + 3 H2O
ZnS + HCl = ZnCl2 + H2S =>
ZnS + 2 HCl = ZnCl2 + H2S
C2B8H8 + O2 = B2O3 + CO2 + H2O =>
C2B8H8 + 10 O2 = 4 B2O3 + 2 CO2 + 4 H2O
Mg + HClO4 = MgClO4 + H2 =>
2 Mg + 2 HClO4 = 2 MgClO4 + H2
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