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K2Cr2O6 + 2 SnCl2 + 12 HCl = 2 CrCl3 + 2 SnCl4 + 2 KCl + 6 H2O
Cr + CH3COOH = H2 + Cr(CH3COO)3 =>
2 Cr + 6 CH3COOH = 3 H2 + 2 Cr(CH3COO)3
N20H22 + O2 = H2O + NO =>
2 N20H22 + 31 O2 = 22 H2O + 40 NO
H3Po4 + NaOH = Na3Po4 + H2O =>
H3Po4 + 3 NaOH = Na3Po4 + 3 H2O
Al + As2O3 + H2O = Al(OH)3 + AsH3 =>
4 Al + As2O3 + 9 H2O = 4 Al(OH)3 + 2 AsH3
C5H9Br + Mg = C10H18 + MgBr2 =>
2 C5H9Br + Mg = C10H18 + MgBr2
Co(SO4)3 + Ca(OH)2 = Co(OH)3 + Ca(SO4)2 =>
2 Co(SO4)3 + 3 Ca(OH)2 = 2 Co(OH)3 + 3 Ca(SO4)2
HIO3 + HI = I2 + H2O =>
HIO3 + 5 HI = 3 I2 + 3 H2O
CuCO3 = CuO + CO2 =>
CuCO3 = CuO + CO2
Fe + CuSO4 = FeSO4 + Cu =>
Fe + CuSO4 = FeSO4 + Cu
OFe + H2O = Fe3O4 + H2 =>
3 OFe + H2O = Fe3O4 + H2
K2SO3 = K2SO4 + K2S =>
4 K2SO3 = 3 K2SO4 + K2S
Ca(OH)2 + HI = CaI2 + H2O =>
Ca(OH)2 + 2 HI = CaI2 + 2 H2O
Fe(OH)3 + H2SO4 = Fe2(SO4)3 + H2O =>
2 Fe(OH)3 + 3 H2SO4 = Fe2(SO4)3 + 6 H2O
HI + Ca(OH)2 = CaI2 + H2O =>
2 HI + Ca(OH)2 = CaI2 + 2 H2O
NaHCO3 + O2 = Na2O + HCO3 = Na2O + H2O + CO2 =>
4 NaHCO3 + O2 = 2 Na2O + 4 HCO3
Sn(s) + H2SO4(aq) = Sn(SO4)2(aq) + H2(g) =>
Sn(s) + 2 H2SO4(aq) = Sn(SO4)2(aq) + 2 H2(g)
HI + Mg(HCO3)2 = H(HCO3) + MgI2 =>
2 HI + Mg(HCO3)2 = 2 H(HCO3) + MgI2
H2S + HCl = HS{-} + H2Cl{+} =>
H2S + HCl = HS{-} + H2Cl{+}
N2O + CO2 = NO2 + CO =>
N2O + 3 CO2 = 2 NO2 + 3 CO
FeCl3 + K4[Fe(Cn)6] = Fe4[Fe(Cn)6]3 + KCl =>
4 FeCl3 + 3 K4[Fe(Cn)6] = Fe4[Fe(Cn)6]3 + 12 KCl
C8H8O + C9H10O2 = C17H16O2 + H2O =>
C8H8O + C9H10O2 = C17H16O2 + H2O
C6H6(l) + O2(g) = CO2 + H2O(l) =>
2 C6H6(l) + 15 O2(g) = 12 CO2 + 6 H2O(l)
C2H6O(l) + O2(g) = CO2 + H20CO =>
20 C2H6O(l) + 27 O2(g) = 34 CO2 + 6 H20CO
CH4N2O + H2SO4 + C2H5OH + C6H8O7 = C12H14N4O4S2 + H2O =>
6 CH4N2O + 6 H2SO4 + 12 C2H5OH + C6H8O7 = 3 C12H14N4O4S2 + 37 H2O
K2SO4 + BaCl2 = BaSO4 + KCl =>
K2SO4 + BaCl2 = BaSO4 + 2 KCl
Ag2O3 + Cr(OH)3 + OH{-} = AgO + CrO4{2-} + H2O =>
3 Ag2O3 + 2 Cr(OH)3 + 4 OH{-} = 6 AgO + 2 CrO4{2-} + 5 H2O
PbCrO4 + NaOH = (PbOH)3 + NaCrO4 =>
3 PbCrO4 + 3 NaOH = (PbOH)3 + 3 NaCrO4
Na2CO3 + LiOH = Li2CO3 + NaOH =>
Na2CO3 + 2 LiOH = Li2CO3 + 2 NaOH
Pb(CH3COO)2 + NaOH + NaClO = CH3COONa + NaCl + PbO2 + H2O =>
Pb(CH3COO)2 + 2 NaOH + NaClO = 2 CH3COONa + NaCl + PbO2 + H2O
MgBr2 + (NH4)2CO3 = Br2(NH4)2 + MgCO3 =>
MgBr2 + (NH4)2CO3 = Br2(NH4)2 + MgCO3
K2CO3 + Na2S = K2S + Na2O + CO2 =>
K2CO3 + Na2S = K2S + Na2O + CO2
CuCl2(aq) + Mg(s) = Cu(aq) + MgCl2(aq) =>
CuCl2(aq) + Mg(s) = Cu(aq) + MgCl2(aq)
[Co(H2O)(NH3)5] + NO2 = [Co(NO2)(NH3)5] + H2O =>
[Co(H2O)(NH3)5] + NO2 = [Co(NO2)(NH3)5] + H2O
NaBr + AgNO2 = AgBr + NaNO2 =>
NaBr + AgNO2 = AgBr + NaNO2
Co(C2H3O2)2 + Na2CO3 = NaC2H3O2 + CoCO3 =>
Co(C2H3O2)2 + Na2CO3 = 2 NaC2H3O2 + CoCO3
NaOH + FeCl3 + CH3COOH = Fe(OH)2(CH3COO) + NaCl + H2O =>
3 NaOH + FeCl3 + CH3COOH = Fe(OH)2(CH3COO) + 3 NaCl + H2O
CH{-}CH = CH{-}CHO_NaBH4 =>
CH{-}CH = CH{-}CHO_NaBH4
Fe + HCl = FeCl + H2 =>
2 Fe + 2 HCl = 2 FeCl + H2
NO2 + O3 = NO3 + O2 =>
NO2 + O3 = NO3 + O2
N2 + H2 = NH3 =>
N2 + 3 H2 = 2 NH3
CH3(CH2)4CH3(l) + O2 = CO2 + H2O =>
2 CH3(CH2)4CH3(l) + 19 O2 = 12 CO2 + 14 H2O
K2Co3 + HOH = KOH + KHCo3 =>
K2Co3 + HOH = KOH + KHCo3
FeSO3 + HBr = FeBr2 + H2SO3 =>
FeSO3 + 2 HBr = FeBr2 + H2SO3
Al(OH)3 + HCl = AlCl3 + H2O =>
Al(OH)3 + 3 HCl = AlCl3 + 3 H2O
Cr2O7{2-} + VO{2+} + H2O = Cr{3+} + VO3{-} + H{+} =>
Cr2O7{2-} + 6 VO{2+} + 5 H2O = 2 Cr{3+} + 6 VO3{-} + 10 H{+}
C4H6 + HBr = C4H8 + Br =>
C4H6 + 2 HBr = C4H8 + 2 Br
K3(Po4) + NaCl = KCl + Na3(Po4) =>
K3(Po4) + 3 NaCl = 3 KCl + Na3(Po4)
F2(g) + KBr(aq) = Br2(l) + KF(aq) =>
F2(g) + 2 KBr(aq) = Br2(l) + 2 KF(aq)
CH3CO2CH2CH3 + O2 = CO2 + H2O =>
CH3CO2CH2CH3 + 5 O2 = 4 CO2 + 4 H2O
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