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P4(s) + 12 Cl(g) = 4 PCl3(l)
H3PO4 + HBr = Br2 + PO + H2O =>
2 H3PO4 + 6 HBr = 3 Br2 + 2 PO + 6 H2O
C10H8(s) + O2(g) = CO2(g) + H2O(i) =>
C10H8(s) + 12 O2(g) = 10 CO2(g) + 4 H2O(i)
Br2 + FeCl3 + NaOH = NaFeO4 + NaBr + NaCl + H2O =>
2 Br2 + FeCl3 + 8 NaOH = NaFeO4 + 4 NaBr + 3 NaCl + 4 H2O
KNO3 + H2O2 = K2O + NO3 + H2O =>
2 KNO3 + H2O2 = K2O + 2 NO3 + H2O
MgF2 = Mg2 + F =>
2 MgF2 = Mg2 + 4 F
S8 + O2 = SO3 =>
S8 + 12 O2 = 8 SO3
HCl(g) + C2H4(g) = CH3CH2Cl(g) =>
HCl(g) + C2H4(g) = CH3CH2Cl(g)
NaHSO3 + H2SO4 = Na2SO4 + SO2 + H2O =>
2 NaHSO3 + H2SO4 = Na2SO4 + 2 SO2 + 2 H2O
MoO3 + HCl = MoCl6 + H2O =>
MoO3 + 6 HCl = MoCl6 + 3 H2O
CrO2Cl2 + NaOH = Na2CrO4 + HCl =>
CrO2Cl2 + 2 NaOH = Na2CrO4 + 2 HCl
I2 + S203{2-} = I{-} + S406{2-} =>
I2 + 2 S203{2-} = 2 I{-} + S406{2-}
FeS + O2 = Fe2O3 + SO2 =>
4 FeS + 7 O2 = 2 Fe2O3 + 4 SO2
Cr2SiO4H2SO4 = Cr2SO4H2SiO4 =>
Cr2SiO4H2SO4 = Cr2SO4H2SiO4
MoO3 + HCl = MoCl3 + Cl2 + H2O =>
2 MoO3 + 12 HCl = 2 MoCl3 + 3 Cl2 + 6 H2O
MoOO2 = MoO3 =>
MoOO2 = MoO3
PO4 + HCl = H3PO4 + Cl =>
PO4 + 3 HCl = H3PO4 + 3 Cl
Co2 + Cl2 = CoCl2 =>
Co2 + 2 Cl2 = 2 CoCl2
K2CO3 + Ba(NO3)2 = BaCO3 + KNO3 =>
K2CO3 + Ba(NO3)2 = BaCO3 + 2 KNO3
Al = Al{3+} + {-} =>
Al = Al{3+} + 3e
B2H6 + KIO3 = H3BO3 + KI =>
B2H6 + 2 KIO3 = 2 H3BO3 + 2 KI
Cr(OH)4 + OH{-} + H2O2 = CrO4{2-} + H2O =>
Cr(OH)4 + 2 OH{-} + H2O2 = CrO4{2-} + 4 H2O
Po + O2 = Po2O4 =>
2 Po + 2 O2 = Po2O4
(NH4)2CO3 + LiOH = (NH4)OH + Li2CO3 =>
(NH4)2CO3 + 2 LiOH = 2(NH4)OH + Li2CO3
S8 + KOH = K2S + K2SO3 + H2O =>
3 S8 + 48 KOH = 16 K2S + 8 K2SO3 + 24 H2O
SO2(g) + H2O = H2SO3(aq) =>
SO2(g) + H2O = H2SO3(aq)
NiCl2 + NH3 = Ni(NH3)6 + Cl =>
NiCl2 + 6 NH3 = Ni(NH3)6 + 2 Cl
K2Cr2O7 + H2SO4 + C4H9OH = Cr2(SO4)3 + K2SO4 + CH3COOH + H2O =>
4 K2Cr2O7 + 16 H2SO4 + 3 C4H9OH = 4 Cr2(SO4)3 + 4 K2SO4 + 6 CH3COOH + 19 H2O
Zn + Au(NO2)2 = Zn(NO2)2 + Au =>
Zn + Au(NO2)2 = Zn(NO2)2 + Au
HClO + Na = NaClO + H2 =>
2 HClO + 2 Na = 2 NaClO + H2
NH4Cl + K2(HgI4) + KOH = Hg2NI*H2O + KI + KCl + H2O =>
NH4Cl + 2 K2(HgI4) + 4 KOH = Hg2NI*H2O + 7 KI + KCl + 3 H2O
Cr2O3 + NO3{-} + OH{-} = CrO4{-} + NO2{-} + H2O =>
Cr2O3 + 4 NO3{-} + 2 OH{-} = 2 CrO4{-} + 4 NO2{-} + H2O
CuCl2(aq) + Na2S(aq) = CuS + NaCl(aq) =>
CuCl2(aq) + Na2S(aq) = CuS + 2 NaCl(aq)
Pb(CH3COO)2 + Na2S = PbS + NaCH3COO =>
Pb(CH3COO)2 + Na2S = PbS + 2 NaCH3COO
Co(NO3)2 + NH3 = Co(NH3) + NO3 =>
Co(NO3)2 + NH3 = Co(NH3) + 2 NO3
Fe{3+} + CO = Fe + CO{2+} =>
2 Fe{3+} + 3 CO = 2 Fe + 3 CO{2+}
HCl + Mg + O2 = HClMgO =>
2 HCl + 2 Mg + O2 = 2 HClMgO
NaCl2 + H2O = NaO + HCl =>
NaCl2 + H2O = NaO + 2 HCl
FeCl3 = Fe + Cl2 =>
2 FeCl3 = 2 Fe + 3 Cl2
CO2 + H2 = C6H12O6 + O2 =>
6 CO2 + 6 H2 = C6H12O6 + 3 O2
Al2(SO4)3 + Na2CO3 + H2O = Al(OH)3 + Na2SO4 + H2CO3 =>
Al2(SO4)3 + 3 Na2CO3 + 6 H2O = 2 Al(OH)3 + 3 Na2SO4 + 3 H2CO3
Fe(No3)3 + KSCN = Fe(SCN)3 + KNo3 =>
Fe(No3)3 + 3 KSCN = Fe(SCN)3 + 3 KNo3
Na + HNO3 = NaNO3 + H2 =>
2 Na + 2 HNO3 = 2 NaNO3 + H2
P4 + HNO3 = P2O5 + N2 + H2O =>
P4 + 4 HNO3 = 2 P2O5 + 2 N2 + 2 H2O
CH3CHO + Cu(OH)2 + NaOH = CH3COONa + CuOH + H2O =>
CH3CHO + 2 Cu(OH)2 + NaOH = CH3COONa + 2 CuOH + 2 H2O
HCOOH + Na2CO3 = HCOONa + H2O + CO2 =>
2 HCOOH + Na2CO3 = 2 HCOONa + H2O + CO2
Mn + H2O = Mn(OH)2 + H2 =>
Mn + 2 H2O = Mn(OH)2 + H2
Co + HClO3 = Co(ClO3)2 + H2 =>
Co + 2 HClO3 = Co(ClO3)2 + H2
C5H11OH + KMnO4 + H2SO4 = C5H10O + K2SO4 + MnSO4 + H2O =>
5 C5H11OH + 2 KMnO4 + 3 H2SO4 = 5 C5H10O + K2SO4 + 2 MnSO4 + 8 H2O
HCl + Br2 = HBr + Cl2 =>
2 HCl + Br2 = 2 HBr + Cl2
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