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Al2O3 + 2 Cr = Cr2O3 + 2 Al
Al + O2 = Al2O3 =>
4 Al + 3 O2 = 2 Al2O3
C2H2 + O2 = CO2 + H2O =>
2 C2H2 + 5 O2 = 4 CO2 + 2 H2O
CH3(CH2)2OH + O = CO2 + H2O =>
CH3(CH2)2OH + 9 O = 3 CO2 + 4 H2O
VOPO4 = (VO)2P2O7 + O2 =>
4 VOPO4 = 2(VO)2P2O7 + O2
KI + O2 + HI = KI3 + H2O =>
2 KI + O2 + 4 HI = 2 KI3 + 2 H2O
H{+} + FeHPO3 + Cr2O7{-2} = Cr{+3} + H3PO4 + Fe{+3} + H2O =>
14 H{+} + 2 FeHPO3 + Cr2O7{-2} = 2 Cr{+3} + 2 H3PO4 + 2 Fe{+3} + 5 H2O
La2(CO3)3 + H2SO4 = La2(SO4)3 + H2O + CO2 =>
La2(CO3)3 + 3 H2SO4 = La2(SO4)3 + 3 H2O + 3 CO2
E + M{2+} = M + E{3+} =>
2 E + 3 M{2+} = 3 M + 2 E{3+}
As + H2O = As(OH) + H2 =>
2 As + 2 H2O = 2 As(OH) + H2
C6H12O6 + I3{-} = C6H6O6 + I{-} + H{+} =>
C6H12O6 + 3 I3{-} = C6H6O6 + 9 I{-} + 6 H{+}
NH3 + O2 = NO2 + H2O =>
4 NH3 + 7 O2 = 4 NO2 + 6 H2O
K2FeO4 + HCl = FeCl3 + KCl + H2O + Cl2 =>
2 K2FeO4 + 16 HCl = 2 FeCl3 + 4 KCl + 8 H2O + 3 Cl2
Na + H2O = NaOH + H2 =>
2 Na + 2 H2O = 2 NaOH + H2
Cu2(OH)3NO3 + NH4OH = Cu(OH)2 + NH4NO3 =>
Cu2(OH)3NO3 + NH4OH = 2 Cu(OH)2 + NH4NO3
K2SO3 + NaI = Na2SO3 + KI =>
K2SO3 + 2 NaI = Na2SO3 + 2 KI
CH3(CH2)3OH + O2 = CO2 + H2O =>
CH3(CH2)3OH + 6 O2 = 4 CO2 + 5 H2O
SiO2 + HF = SiF4 + H2O =>
SiO2 + 4 HF = SiF4 + 2 H2O
K2CO3(s) + O2(g) = KO2(s) + CO2(g) =>
2 K2CO3(s) + 3 O2(g) = 4 KO2(s) + 2 CO2(g)
C + HCl = CCl4 + H2 =>
C + 4 HCl = CCl4 + 2 H2
SiO2 + HF = SiF4 + H2O =>
SiO2 + 4 HF = SiF4 + 2 H2O
CH4 + O2 = CO2 + H2O =>
CH4 + 2 O2 = CO2 + 2 H2O
K2FeO4 + HCl = FeCl3 + KCl + H2O + Cl2 =>
2 K2FeO4 + 16 HCl = 2 FeCl3 + 4 KCl + 8 H2O + 3 Cl2
Ba(NO2)2 + LiOH = Ba(OH)2 + LiNO2 =>
Ba(NO2)2 + 2 LiOH = Ba(OH)2 + 2 LiNO2
(NH4)2SO4(aq) + HCl(aq) = NH4Cl(aq) + H2SO4(aq) =>
(NH4)2SO4(aq) + 2 HCl(aq) = 2 NH4Cl(aq) + H2SO4(aq)
TiO2 + F2 = TiF2 + O2 =>
TiO2 + F2 = TiF2 + O2
Fe2 + [Fe(CN)6]3 = Fe[Fe(CN)6] =>
3 Fe2 + 2[Fe(CN)6]3 = 6 Fe[Fe(CN)6]
Pb(NO3)3 + KL = Pb + (NO3)3KL =>
Pb(NO3)3 + KL = Pb + (NO3)3KL
NiSO4 + FeCl3 = NiCl2 + Fe2(SO4)3 =>
3 NiSO4 + 2 FeCl3 = 3 NiCl2 + Fe2(SO4)3
C6H14 + O2 = CO2 + H2O =>
2 C6H14 + 19 O2 = 12 CO2 + 14 H2O
Ba + H2O = Ba(OH)2 + H2 =>
Ba + 2 H2O = Ba(OH)2 + H2
C2H5OH + O2 = CO2 + H2O =>
C2H5OH + 3 O2 = 2 CO2 + 3 H2O
KBr + H3PO4 = HBr + K3PO4 =>
3 KBr + H3PO4 = 3 HBr + K3PO4
N2 + O2 = NO2 =>
N2 + 2 O2 = 2 NO2
Sn + H2Cr2O7 = Sn(Cr2O7)2 + H2 =>
Sn + 2 H2Cr2O7 = Sn(Cr2O7)2 + 2 H2
Li2CO3 + NH4H2PO4 + FeC2O4*2H2O + NiC2O4*2H2O = Li10Ni8Fe2P10O40 + NH3 + H2O + CO2 + CO =>
5 Li2CO3 + 10 NH4H2PO4 + 2 FeC2O4*2H2O + 8 NiC2O4*2H2O = Li10Ni8Fe2P10O40 + 10 NH3 + 35 H2O + 15 CO2 + 10 CO
Na(s) + HCl(l) = NaCl(s) + H2(g) =>
2 Na(s) + 2 HCl(l) = 2 NaCl(s) + H2(g)
Fe + Pb(NO3)2 = Fe(NO3)2 + Pb =>
Fe + Pb(NO3)2 = Fe(NO3)2 + Pb
Cr2O7{-2} + H{+} + {-} = Cr{+3} + H2O =>
Cr2O7{-2} + 14 H{+} + 6e = 2 Cr{+3} + 7 H2O
C8H18 + O2 = CO2 + H2O =>
2 C8H18 + 25 O2 = 16 CO2 + 18 H2O
SnO2 + H2 = Sn + H2O =>
SnO2 + 2 H2 = Sn + 2 H2O
Fe2O3 + S = Fe + SO2 =>
2 Fe2O3 + 3 S = 4 Fe + 3 SO2
I2 + Na2S2O3 = NaI + Na2S4O6 =>
I2 + 2 Na2S2O3 = 2 NaI + Na2S4O6
ZnCl2 + NaNO3 = NaCl + Zn(NO3)2 =>
ZnCl2 + 2 NaNO3 = 2 NaCl + Zn(NO3)2
HBr(aq) + Sr(OH)2(aq) = H2O(l) + SrBr2(aq) =>
2 HBr(aq) + Sr(OH)2(aq) = 2 H2O(l) + SrBr2(aq)
Y + Sb = YSb15 =>
Y + 15 Sb = YSb15
Ca(OH)2 + HC1 = H2O + CaC2 =>
Ca(OH)2 + 2 HC1 = 2 H2O + CaC2
Cn2O3 + HCl = CnCl2 + Cl2 + H2O =>
Cn2O3 + 6 HCl = 2 CnCl2 + Cl2 + 3 H2O
H2O2 + NaI = NaIO + H2O =>
H2O2 + NaI = NaIO + H2O
FeCl3 + NaOH = Fe(OH)3 + NaCl =>
FeCl3 + 3 NaOH = Fe(OH)3 + 3 NaCl
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