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SeO2 + C5H11NO2S = C5H11NO2Se + SO2
CdCO3 = CdOCO2 =>
CdCO3 = CdOCO2
KNO2 + FeCl2 + H2SO4 = FeCl3 + Fe2(SO4)3 + K2SO4 + H2O + N2 =>
2 KNO2 + 6 FeCl2 + 4 H2SO4 = 4 FeCl3 + Fe2(SO4)3 + K2SO4 + 4 H2O + N2
Cu + H2SO4 = CuSO4 + H2O + SO2 =>
Cu + 2 H2SO4 = CuSO4 + 2 H2O + SO2
KHS + NaOH = KOH + NaHS =>
KHS + NaOH = KOH + NaHS
Na2CO3(aq) + HClc(aq) = NaClc(aq) + H2CO3(aq) =>
Na2CO3(aq) + 2 HClc(aq) = 2 NaClc(aq) + H2CO3(aq)
HOC6H4COOH3 + H2O = HOC6H4COOH + CH3OH =>
7 HOC6H4COOH3 + 4 H2O = 6 HOC6H4COOH + 7 CH3OH
FeCl3 + Ca(OH)2 = Fe(OH)3 + CaCl2 =>
2 FeCl3 + 3 Ca(OH)2 = 2 Fe(OH)3 + 3 CaCl2
Al + Pb(NO3)2 = Al(NO3)3 + Pb =>
2 Al + 3 Pb(NO3)2 = 2 Al(NO3)3 + 3 Pb
Br + Ba = BaBr2 =>
2 Br + Ba = BaBr2
(NH4)2SO4 + Fe(OH)3 = Fe2(SO4)3 + NH4OH =>
3(NH4)2SO4 + 2 Fe(OH)3 = Fe2(SO4)3 + 6 NH4OH
CH3CH2CH2CH2CH3 + O2 = CO2 + H2O =>
CH3CH2CH2CH2CH3 + 8 O2 = 5 CO2 + 6 H2O
Cu + H2SO4 = CuSO4 + H2O + SO2 =>
Cu + 2 H2SO4 = CuSO4 + 2 H2O + SO2
Fe{3*} + Ni = Fe{2+} + Ni{2+} =>
2 Fe{3*} + Ni = 2 Fe{2+} + Ni{2+}
MnO2 + H2SO4 = O2 + MnSO4 + H2O =>
2 MnO2 + 2 H2SO4 = O2 + 2 MnSO4 + 2 H2O
C10H22 + O2 = CO2 + H2O =>
2 C10H22 + 31 O2 = 20 CO2 + 22 H2O
C5H8O2 + NaH + HCl = C5H12O2 + NaCl =>
C5H8O2 + 2 NaH + 2 HCl = C5H12O2 + 2 NaCl
Na + Cl2 = NaCl =>
2 Na + Cl2 = 2 NaCl
Hg + H2S = HgS + H2 =>
Hg + H2S = HgS + H2
C6H12O6 + H2S = CH4 + H2O + S8 =>
2 C6H12O6 + 24 H2S = 12 CH4 + 12 H2O + 3 S8
HCl + Ba(OH)2 = BaCl2 + H2O =>
2 HCl + Ba(OH)2 = BaCl2 + 2 H2O
ZnS + HBr = H2S + ZnBr2 =>
ZnS + 2 HBr = H2S + ZnBr2
VSO4 + KMnO4 + H2O = HVO3 + MnSO4 + K2SO4 + H2SO4 =>
10 VSO4 + 6 KMnO4 + 6 H2O = 10 HVO3 + 6 MnSO4 + 3 K2SO4 + H2SO4
Li2Br2 = LiBr =>
Li2Br2 = 2 LiBr
NH3 + O = NO + H2O =>
2 NH3 + 5 O = 2 NO + 3 H2O
Al + FeO = Al2O3 + Fe =>
2 Al + 3 FeO = Al2O3 + 3 Fe
SnCl2 + K2Cr2O7 + HCl = H[SnCl6] + KCl + H2O + CrCl3 =>
2 SnCl2 + K2Cr2O7 + 16 HCl = 2 H[SnCl6] + 2 KCl + 7 H2O + 2 CrCl3
KOH + H3PO4 = K3PO4 + H2O =>
3 KOH + H3PO4 = K3PO4 + 3 H2O
Fe(No3)3 + Na3PO4 = Fe(PO4)3 + NaNo =>
Fe(No3)3 + 3 Na3PO4 = Fe(PO4)3 + 9 NaNo
AlCl3 + H2O = AlOHCl2 + HCl =>
AlCl3 + H2O = AlOHCl2 + HCl
H2SO4CaOH2 = H2OH2CaSO4 =>
H2SO4CaOH2 = H2OH2CaSO4
Ca + Br = Ca3Br =>
3 Ca + Br = Ca3Br
P2 + O2 = P(O5)3 =>
P2 + 15 O2 = 2 P(O5)3
C2H2 + AgNO3 + NH4OH = Ag2C2 + HOH + NH4NO3 =>
C2H2 + 2 AgNO3 + 2 NH4OH = Ag2C2 + 2 HOH + 2 NH4NO3
FeBr3 + HI = FeI2 + I2 + HBr =>
2 FeBr3 + 6 HI = 2 FeI2 + I2 + 6 HBr
MnO4 + H2SO4 + Na2SO3 = MnSO4 + H2O + Na2SO4 =>
MnO4 + H2SO4 + 3 Na2SO3 = MnSO4 + H2O + 3 Na2SO4
Al(s) + FeO(s) = Fe + Al2O3 =>
2 Al(s) + 3 FeO(s) = 3 Fe + Al2O3
Pb(NO3)2 + BaCl2 = Pb(Cl2)2 + Ba(NO3) =>
Pb(NO3)2 + 2 BaCl2 = Pb(Cl2)2 + 2 Ba(NO3)
H2SO4H2SO4 + HI = H2S + I2 + H2O =>
H2SO4H2SO4 + 16 HI = 2 H2S + 8 I2 + 8 H2O
C2H8 + O2 = CO2 + H2O =>
C2H8 + 4 O2 = 2 CO2 + 4 H2O
S + O2 = SO3 =>
2 S + 3 O2 = 2 SO3
CH4(g) + O2(g) = CO2 + H2O(g) =>
CH4(g) + 2 O2(g) = CO2 + 2 H2O(g)
K + H2O = KOH + H2 =>
2 K + 2 H2O = 2 KOH + H2
P + H + Br = PH2Br =>
P + 2 H + Br = PH2Br
FeCl3 + Na3 = Fe + NaCl =>
FeCl3 + Na3 = Fe + 3 NaCl
(CH3(CH2)4(CH3))(l) + O2(g) = CO2(g) + H2O(g) =>
2(CH3(CH2)4(CH3))(l) + 19 O2(g) = 12 CO2(g) + 14 H2O(g)
[Cu(NH3)4](OH)2 + NH3OHCl = [Cu(NH3)2]OH + N2 + NH4Cl + H2O =>
2[Cu(NH3)4](OH)2 + 5 NH3OHCl = 2[Cu(NH3)2]OH + 2 N2 + 5 NH4Cl + 7 H2O
NaHCO3 + H2C2O4 = Na2C2O4 + CO2H2O =>
2 NaHCO3 + H2C2O4 = Na2C2O4 + 2 CO2H2O
Hg2I2 + O2 = Hg2O(s) + I2 =>
2 Hg2I2 + O2 = 2 Hg2O(s) + 2 I2
SnI4(s) = SnI2(s) + I2(s) =>
SnI4(s) = SnI2(s) + I2(s)
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