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2 HCHO + H2O = CH3OH + HCOOH
SO2 + O2 = SO3 =>
2 SO2 + O2 = 2 SO3
HCO3{-} + C6H8O7 = CO2 + H2O + COO{-} =>
18 HCO3{-} + C6H8O7 = 6 CO2 + 13 H2O + 18 COO{-}
Fe + S(heat) = FeS =>
Fe + S(heat) = FeS
Pb(OH)2 + HCl = H2O + PbCl2 =>
Pb(OH)2 + 2 HCl = 2 H2O + PbCl2
MH4CNS + Fe2(SO4)3 = (MH4)2SO4 + Fe(CNS)3 =>
6 MH4CNS + Fe2(SO4)3 = 3(MH4)2SO4 + 2 Fe(CNS)3
FeCl3 + KOH = Fe(OH)3 + KCl =>
FeCl3 + 3 KOH = Fe(OH)3 + 3 KCl
PhCH3 + KMnO4 + H2SO4 = PhCOOH + K2SO4 + MnSO4 + H2O =>
5 PhCH3 + 6 KMnO4 + 9 H2SO4 = 5 PhCOOH + 3 K2SO4 + 6 MnSO4 + 14 H2O
AlBr3 + K = KBr + Al =>
AlBr3 + 3 K = 3 KBr + Al
AgI + S = AgS + I =>
AgI + S = AgS + I
FeCl3 + KOH = Fe(OH)3 + KCl =>
FeCl3 + 3 KOH = Fe(OH)3 + 3 KCl
Bi + N2 = BiN =>
2 Bi + N2 = 2 BiN
FeCl3 + KOH = Fe(OH)3 + KCl =>
FeCl3 + 3 KOH = Fe(OH)3 + 3 KCl
CH2O + Fe(OH)3 = Fe + CO2 + H2O =>
3 CH2O + 4 Fe(OH)3 = 4 Fe + 3 CO2 + 9 H2O
FeCl3 + KOH = Fe(OH)3 + KCl =>
FeCl3 + 3 KOH = Fe(OH)3 + 3 KCl
BeO + SO3 = BeSO4 =>
BeO + SO3 = BeSO4
FeCl3 + KOH = Fe(OH)3 + KCl =>
FeCl3 + 3 KOH = Fe(OH)3 + 3 KCl
Mg3N2 + H2O(l) = Mg(OH)2 + NH3(g) =>
Mg3N2 + 6 H2O(l) = 3 Mg(OH)2 + 2 NH3(g)
FeCl3 + KOH = Fe(OH)3 + KCl =>
FeCl3 + 3 KOH = Fe(OH)3 + 3 KCl
HNO4 + H2S = NO2 + H2O + S =>
2 HNO4 + 3 H2S = 2 NO2 + 4 H2O + 3 S
FeCl3 + KOH = Fe(OH)3 + KCl =>
FeCl3 + 3 KOH = Fe(OH)3 + 3 KCl
MgCl + K = Mg + KCl =>
MgCl + K = Mg + KCl
C4H8 + KMnO4 = CH3COOK + MnO2 + KOH + H2O =>
3 C4H8 + 8 KMnO4 = 6 CH3COOK + 8 MnO2 + 2 KOH + 2 H2O
FeCl3 + KOH = Fe(OH)3 + KCl =>
FeCl3 + 3 KOH = Fe(OH)3 + 3 KCl
NH4Cl + NaOH = NH4OH + NaCl =>
NH4Cl + NaOH = NH4OH + NaCl
NH4ClO4 + CuO = Cu(ClO4)2 + H2O + NH3 =>
2 NH4ClO4 + CuO = Cu(ClO4)2 + H2O + 2 NH3
NH4Cl + NaOH = NH4OH + NaCl =>
NH4Cl + NaOH = NH4OH + NaCl
H3PO4 + NaOH = H2O + Na3PO4 =>
H3PO4 + 3 NaOH = 3 H2O + Na3PO4
CO2 + H2O = C2H2 + O2 =>
4 CO2 + 2 H2O = 2 C2H2 + 5 O2
KClO3(s) = KCl(s) + O2(g) =>
2 KClO3(s) = 2 KCl(s) + 3 O2(g)
H2SeO4 + H2S = SO2 + Se + H2O =>
H2SeO4 + H2S = SO2 + Se + 2 H2O
MgO + MgCl2 + H2O = MgOHCl =>
MgO + MgCl2 + H2O = 2 MgOHCl
Cu(NO3)2(aq) + KCl(aq) = CuCl2 + KNO3 =>
Cu(NO3)2(aq) + 2 KCl(aq) = CuCl2 + 2 KNO3
H3PO4 + (NH4)6Mo7O24 + HNO3 = (NH4)3[PMo12O40] + NH4NO3 + H2O =>
7 H3PO4 + 12(NH4)6Mo7O24 + 51 HNO3 = 7(NH4)3[PMo12O40] + 51 NH4NO3 + 36 H2O
SrSe + RbI = Rb2Se + SrI2 =>
SrSe + 2 RbI = Rb2Se + SrI2
H2SeO4 + H2S = SO2 + Se + H2O =>
H2SeO4 + H2S = SO2 + Se + 2 H2O
KMnO4 + Ag + HCl = MnCl2 + AgCl + H2O + KCl =>
KMnO4 + 5 Ag + 8 HCl = MnCl2 + 5 AgCl + 4 H2O + KCl
C9H8O4 + NaOH = Na2CO + H2O =>
C9H8O4 + 18 NaOH = 9 Na2CO + 13 H2O
H2SeO4 + H2S = SO2 + Se + H2O =>
H2SeO4 + H2S = SO2 + Se + 2 H2O
Au + H2SeO4 = Au2(SeO4)3 + H2SeO3 + H2O =>
2 Au + 6 H2SeO4 = Au2(SeO4)3 + 3 H2SeO3 + 3 H2O
H3PO4 + NaOH = H2O + Na3PO4 =>
H3PO4 + 3 NaOH = 3 H2O + Na3PO4
H2SeO4 + H2S = SO2 + Se + H2O =>
H2SeO4 + H2S = SO2 + Se + 2 H2O
Ca(HSO3)2 + HCl = CaCl2 + H2SO3 =>
Ca(HSO3)2 + 2 HCl = CaCl2 + 2 H2SO3
H2SeO4 + H2S = SO2 + Se + H2O =>
H2SeO4 + H2S = SO2 + Se + 2 H2O
Ca3P2 + KMnO4 + HCl = Ca3(PO4)2 + MnCl2 + KCl + H2O =>
5 Ca3P2 + 16 KMnO4 + 48 HCl = 5 Ca3(PO4)2 + 16 MnCl2 + 16 KCl + 24 H2O
C2H3O + H2O = C6H12O6 + H2 =>
6 C2H3O + 6 H2O = 2 C6H12O6 + 3 H2
KMnO4 + K2SO3 + H2SO4 = MnSO4 + K2SO4 + H2O =>
2 KMnO4 + 5 K2SO3 + 3 H2SO4 = 2 MnSO4 + 6 K2SO4 + 3 H2O
Na3Br + Cl2 = ClBr + Na =>
2 Na3Br + Cl2 = 2 ClBr + 6 Na
KMnO4 + FeCl2 + H2SO4 = Fe2(SO4)3 + FeCl3 + MnSO4 + KCl + H2O =>
KMnO4 + 5 FeCl2 + 4 H2SO4 = Fe2(SO4)3 + 3 FeCl3 + MnSO4 + KCl + 4 H2O
Cl2 + CoI3 = I + CoCl3 =>
3 Cl2 + 2 CoI3 = 6 I + 2 CoCl3
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