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2 CH2O + 2 H2O = 2 CH3OH + O2
Mg(s) + H2S(g) = MgS(s) + H2(g) =>
Mg(s) + H2S(g) = MgS(s) + H2(g)
Cl2 + Fe2O3 = FeCl2 + O2 =>
4 Cl2 + 2 Fe2O3 = 4 FeCl2 + 3 O2
CuSO4 + KBr = K2CuBr4 + K2SO4 =>
CuSO4 + 4 KBr = K2CuBr4 + K2SO4
Au(CN)2 + Zn(s) = Au + Zn(CN)4 =>
2 Au(CN)2 + Zn(s) = 2 Au + Zn(CN)4
I2 + CCl4 = I2(CCl4) =>
I2 + CCl4 = I2(CCl4)
PbO2 + H2 = Pb + HO =>
PbO2 + H2 = Pb + 2 HO
MnS + O2 + H2O = MnOOH + H2S =>
4 MnS + O2 + 6 H2O = 4 MnOOH + 4 H2S
Cr2(SO4)3 + PbO2 + KOH = PbSO4 + K2CrO4 + H2O =>
Cr2(SO4)3 + 3 PbO2 + 4 KOH = 3 PbSO4 + 2 K2CrO4 + 2 H2O
Pb(NO3)2 + NaI = PbI2 + NaNO3 =>
Pb(NO3)2 + 2 NaI = PbI2 + 2 NaNO3
Na + Cl2O = NaCl + O2 =>
4 Na + 2 Cl2O = 4 NaCl + O2
KAlSi3O8 + CO2 + H2O = Al2Si2O5(OH)4 + SiO2 + K{+} + HCO3{-} =>
2 KAlSi3O8 + 2 CO2 + 3 H2O = Al2Si2O5(OH)4 + 4 SiO2 + 2 K{+} + 2 HCO3{-}
NaOH + O2 = NaO + H2O =>
4 NaOH + O2 = 4 NaO + 2 H2O
Ag(NH3)2 + KBr = AgBr + K + NH3 =>
Ag(NH3)2 + KBr = AgBr + K + 2 NH3
C + H2 + Cl2 = CH3Cl =>
2 C + 3 H2 + Cl2 = 2 CH3Cl
Fe(No3)2 + KSCN = Fe(SCN)2 + KNo3 =>
Fe(No3)2 + 2 KSCN = Fe(SCN)2 + 2 KNo3
P4 + H2O = H3PO4 + H2 =>
P4 + 16 H2O = 4 H3PO4 + 10 H2
SOCl2 + KOH = KCl + KHSO3 + H2O =>
SOCl2 + 3 KOH = 2 KCl + KHSO3 + H2O
Ca(OH)2(s) + H3Po4(aq) = H2O(l) + Ca3(Po4)2(s) =>
3 Ca(OH)2(s) + 2 H3Po4(aq) = 6 H2O(l) + Ca3(Po4)2(s)
Fe(s) + O2(g) = Fe2O3 =>
4 Fe(s) + 3 O2(g) = 2 Fe2O3
Cr + NaOH = Cr(OH)4 + Na =>
Cr + 4 NaOH = Cr(OH)4 + 4 Na
Cu + CO2 + O2 = Cu(CO3) =>
2 Cu + 2 CO2 + O2 = 2 Cu(CO3)
CH3H8 + O2 = CO2 + H2O =>
4 CH3H8 + 15 O2 = 4 CO2 + 22 H2O
Mo + HF + HNO3 = H2[MoF8] + NO + H2O =>
Mo + 8 HF + 2 HNO3 = H2[MoF8] + 2 NO + 4 H2O
C57H104O6 + NaOH = NaC18H33O2 + C3H8O3 =>
C57H104O6 + 3 NaOH = 3 NaC18H33O2 + C3H8O3
Ba + OH = Ba(OH)2 =>
Ba + 2 OH = Ba(OH)2
BiCl3 + HNO3 = Bi(NO3)5 + NO + HCl + H2O =>
3 BiCl3 + 17 HNO3 = 3 Bi(NO3)5 + 2 NO + 9 HCl + 4 H2O
NH3 + H2O = NH4{+} + OH{-} =>
NH3 + H2O = NH4{+} + OH{-}
Cu(CO3) + HCl = CuCl2 + CO2 + H2O =>
Cu(CO3) + 2 HCl = CuCl2 + CO2 + H2O
Al2O3 + OH{-} + H2O = [Al(OH)4]{-} =>
Al2O3 + 2 OH{-} + 3 H2O = 2[Al(OH)4]{-}
NH3 + Cl2 + H2O = N2O + Cl{-} + H3O{+} =>
2 NH3 + 4 Cl2 + 9 H2O = N2O + 8 Cl{-} + 8 H3O{+}
Co2 + O2 = Co2O3 =>
2 Co2 + 3 O2 = 2 Co2O3
NO3{-} + C6H12O6 = NO + CO2 + CO3{-2} + H2O =>
8 NO3{-} + C6H12O6 = 8 NO + 2 CO2 + 4 CO3{-2} + 6 H2O
MnCl2 + H2O2 + NaOH = H2MnO3 + NaCl + H2O =>
MnCl2 + H2O2 + 2 NaOH = H2MnO3 + 2 NaCl + H2O
C5H10O + KMnO4 + H2SO4 = C5H10O4 + MnSO4 + K2SO4 + H2O =>
5 C5H10O + 6 KMnO4 + 9 H2SO4 = 5 C5H10O4 + 6 MnSO4 + 3 K2SO4 + 9 H2O
SO3 + NaO = SO + NaO3 =>
SO3 + NaO = SO + NaO3
H2O + HBr = H3O + Br =>
H2O + HBr = H3O + Br
H3AlO3 + KOH = K3AlO3 + H2O =>
H3AlO3 + 3 KOH = K3AlO3 + 3 H2O
C6H8O7 + KOH = C6H5K3O7 + H2O =>
C6H8O7 + 3 KOH = C6H5K3O7 + 3 H2O
HClO4 + Ba(OH)2 = Ba(ClO4)2 + H2O =>
2 HClO4 + Ba(OH)2 = Ba(ClO4)2 + 2 H2O
K = K2 =>
2 K = K2
H3PO2 + CuSO4 + H2O = Cu + H3PO3 + H2SO4 =>
H3PO2 + CuSO4 + H2O = Cu + H3PO3 + H2SO4
Ag4[Fe(CN)6] + HNO3 = Ag3[Fe(CN)6] + AgNO3 + NO2 + H2O =>
Ag4[Fe(CN)6] + 2 HNO3 = Ag3[Fe(CN)6] + AgNO3 + NO2 + H2O
Mg3(PO4)2 + K2O = K2(PO4)2 + Mg3O =>
Mg3(PO4)2 + K2O = K2(PO4)2 + Mg3O
CaOCl2 + FeSO4 + H2SO4 = CaCl2 + Fe2(SO4)3 + H2O =>
CaOCl2 + 2 FeSO4 + H2SO4 = CaCl2 + Fe2(SO4)3 + H2O
H2S + Sb = H2 + Sb2S5 =>
5 H2S + 2 Sb = 5 H2 + Sb2S5
Cu + Ag(NO3)2 = CuNO3 + Ag =>
2 Cu + Ag(NO3)2 = 2 CuNO3 + Ag
CH4 + CO2 = C2H4O2 =>
CH4 + CO2 = C2H4O2
K2ZnO2 + HNO3 = Zn(OH)2 + KNO3 =>
K2ZnO2 + 2 HNO3 = Zn(OH)2 + 2 KNO3
(NH4)2CO3 + Mg2(SO4)2 = (NH4)2SO4 + Mg2(CO3)2 =>
2(NH4)2CO3 + Mg2(SO4)2 = 2(NH4)2SO4 + Mg2(CO3)2
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