| Équations équilibrées la veille | Équations équilibrées le lendemain |
C3H5OH(i) + 4 O2(g) = 3 CO2(g) + 3 H2O(g)
CaCO3 + H{+} = Ca{2+} + CO2 + H2O =>
CaCO3 + 2 H{+} = Ca{2+} + CO2 + H2O
AlCl3 + BaSO4 = Al2(SO4)3 + BaCl2 =>
2 AlCl3 + 3 BaSO4 = Al2(SO4)3 + 3 BaCl2
CaCO3 + KOH = Ca(OH)2 + K2(CO3) =>
CaCO3 + 2 KOH = Ca(OH)2 + K2(CO3)
C17H35COOC3H5 + O2 = CO2 + H2O =>
C17H35COOC3H5 + 30 O2 = 21 CO2 + 20 H2O
Al + CuSO4 = Al2(SO4)3 + Cu =>
2 Al + 3 CuSO4 = Al2(SO4)3 + 3 Cu
C3H6O3 + CH3OH = C4H8O3 + H2O =>
C3H6O3 + CH3OH = C4H8O3 + H2O
HNO3 + CH3OH = C3H7NO2 + CO2 + H2O =>
3 HNO3 + 10 CH3OH = 3 C3H7NO2 + CO2 + 11 H2O
Ag + CuSO4 = Ag2SO4 + Cu =>
2 Ag + CuSO4 = Ag2SO4 + Cu
Ag(s) + CuSO4(aq) = Cu(s) + AgSO4(aq) =>
Ag(s) + CuSO4(aq) = Cu(s) + AgSO4(aq)
C2H5NH2 + HNO3 = C2H5NO3{+} + NH3{-} =>
C2H5NH2 + HNO3 = C2H5NO3{+} + NH3{-}
H3PO4 + NaOH = Na3PO4 + H2O =>
H3PO4 + 3 NaOH = Na3PO4 + 3 H2O
K2O + SiO2 = K2O3Si =>
K2O + SiO2 = K2O3Si
C3H4 + O2 = CO2 + H2O =>
C3H4 + 4 O2 = 3 CO2 + 2 H2O
Br2 + FeI3 = I2 + FeBr3 =>
3 Br2 + 2 FeI3 = 3 I2 + 2 FeBr3
FeCl3 + H2SO3 + H2O = FeCl2 + H2SO4 + HCl =>
2 FeCl3 + H2SO3 + H2O = 2 FeCl2 + H2SO4 + 2 HCl
CO2 + CaO = CaCO3 =>
CO2 + CaO = CaCO3
Al2O3 + Ca(OH)2 = CaOAl2O3 + H2O =>
Al2O3 + Ca(OH)2 = CaOAl2O3 + H2O
H2O2 = H2O + O2 =>
2 H2O2 = 2 H2O + O2
C3H8 + O2 = CO2 + H2O =>
C3H8 + 5 O2 = 3 CO2 + 4 H2O
CO + H2 = C8H8 + H2O =>
8 CO + 12 H2 = C8H8 + 8 H2O
SO4{2-} + H{+} + CH2O = HS{-} + CO2 + H2O =>
SO4{2-} + H{+} + 2 CH2O = HS{-} + 2 CO2 + 2 H2O
H + O = H3O =>
3 H + O = H3O
Al + H2SO4 = Al2(SO4)3 + H2 =>
2 Al + 3 H2SO4 = Al2(SO4)3 + 3 H2
Na3PO4 + AgNO3 = Ag3PO4 + NaNO3 =>
Na3PO4 + 3 AgNO3 = Ag3PO4 + 3 NaNO3
CH3CHO + K2Cr2O7 + H2SO4 = CH3COOH + K2SO4 + Cr2(SO4)3 + H2O =>
3 CH3CHO + K2Cr2O7 + 4 H2SO4 = 3 CH3COOH + K2SO4 + Cr2(SO4)3 + 4 H2O
CaO + S = CaS + O =>
CaO + S = CaS + O
Pb(s) + HNO3(aq) = Pb(NO3)2(aq) + NO(g) + H2O =>
3 Pb(s) + 8 HNO3(aq) = 3 Pb(NO3)2(aq) + 2 NO(g) + 4 H2O
Ba(OH)2 + CO2 = BaCO3 + H2O =>
Ba(OH)2 + CO2 = BaCO3 + H2O
CaCl2 + Al2(SO4)3 = Ca(SO4)2 + Al3 + Cl2 =>
9 CaCl2 + 6 Al2(SO4)3 = 9 Ca(SO4)2 + 4 Al3 + 9 Cl2
CaCl2 + HCl = HCa + Cl2 =>
2 CaCl2 + 2 HCl = 2 HCa + 3 Cl2
Al + Br2 = AlBr3 =>
2 Al + 3 Br2 = 2 AlBr3
NaBr + Ca(OH)2 = CaBr2 + NaOH =>
2 NaBr + Ca(OH)2 = CaBr2 + 2 NaOH
C7H6O2 + Na2CO3 = C6H5 + CO2 + NaHCO3 =>
29 C7H6O2 + 12 Na2CO3 = 30 C6H5 + 11 CO2 + 24 NaHCO3
FeCl3 + K2SO3 + H2O = KOH + Fe2(SO3)3 + HCl =>
2 FeCl3 + 3 K2SO3 + 6 H2O = 6 KOH + Fe2(SO3)3 + 6 HCl
FeCl3 + NH4SCN = [Fe(SCN)2] + NH4Cl + Cl =>
FeCl3 + 2 NH4SCN = [Fe(SCN)2] + 2 NH4Cl + Cl
S2O4{2-} + Ag2O + H2O = SO3{2-} + Ag + H{+} =>
S2O4{2-} + Ag2O + H2O = 2 SO3{2-} + 2 Ag + 2 H{+}
NH4SCN(s) + Ba(OH)2(s) = NH3(g) + H2O(aq) + Ba(SCN)2(aq) =>
2 NH4SCN(s) + Ba(OH)2(s) = 2 NH3(g) + 2 H2O(aq) + Ba(SCN)2(aq)
HCl + SO2 = Cl2 + H2SO2 =>
2 HCl + SO2 = Cl2 + H2SO2
V2O5 + NH3 = V2O3 + N2 + H2O =>
3 V2O5 + 4 NH3 = 3 V2O3 + 2 N2 + 6 H2O
C2H5Cl + NaPb = (C2H5)4Pb + NaCl + Pb =>
4 C2H5Cl + 4 NaPb = (C2H5)4Pb + 4 NaCl + 3 Pb
KBrO3 + KI + HBr = H2O + I2 + KBr =>
KBrO3 + 6 KI + 6 HBr = 3 H2O + 3 I2 + 7 KBr
NiO4 + H2O = NiOH + O2 =>
4 NiO4 + 2 H2O = 4 NiOH + 7 O2
V(aq) + O2(g) = V2O5(s) =>
4 V(aq) + 5 O2(g) = 2 V2O5(s)
FeCl2 + KMnO4 + HCl = FeCl3 + MnCl2 + KCl + H2O =>
5 FeCl2 + KMnO4 + 8 HCl = 5 FeCl3 + MnCl2 + KCl + 4 H2O
C12H22O11 + KOH = C3H5O3K + H2O =>
C12H22O11 + 4 KOH = 4 C3H5O3K + 3 H2O
C3H8OH(l) + O2(g) = CO2(g) + H2O(g) =>
4 C3H8OH(l) + 19 O2(g) = 12 CO2(g) + 18 H2O(g)
H2 + O2 = H2O =>
2 H2 + O2 = 2 H2O
CuSO4 + Na2CO3 = CuCO3 + Na2SO4 =>
CuSO4 + Na2CO3 = CuCO3 + Na2SO4
K2CrO4 + KOH + Na2SO3 + H2O = K3[Cr(OH)6] + Na2SO4 =>
2 K2CrO4 + 2 KOH + 3 Na2SO3 + 5 H2O = 2 K3[Cr(OH)6] + 3 Na2SO4
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