| Équations équilibrées la veille | Équations équilibrées le lendemain |
6 AlOH(NO3)2 + 3 H2SO4 = 6 H2O + 4 Al(NO3)3 + Al2(SO4)3
Pb(NO3)2 + H2O = Pb + O2 + HNO3 =>
2 Pb(NO3)2 + 2 H2O = 2 Pb + O2 + 4 HNO3
BaCl2 + Fe = BaFe + Cl2 =>
BaCl2 + Fe = BaFe + Cl2
Na + C = Na2C =>
2 Na + C = Na2C
HNO2(aq) = H{+} + NO3{-} + NO(g) + H2O =>
3 HNO2(aq) = H{+} + NO3{-} + 2 NO(g) + H2O
Sn(NO3)2 + KOH = Sn(OH)2 + KNO3 =>
Sn(NO3)2 + 2 KOH = Sn(OH)2 + 2 KNO3
MnCl2 + Na2CO3 = MnCO3 + NaCl =>
MnCl2 + Na2CO3 = MnCO3 + 2 NaCl
Ca(OH)2(aq) + HNO3(aq) = Ca(NO3)2(aq) + H2O(l) =>
Ca(OH)2(aq) + 2 HNO3(aq) = Ca(NO3)2(aq) + 2 H2O(l)
CH3COOK + C3H5OH + O2 = C7H5KO2 + H2O =>
6 CH3COOK + 10 C3H5OH + 7 O2 = 6 C7H5KO2 + 24 H2O
CuCl + NaCl = Na[CuCl2] =>
CuCl + NaCl = Na[CuCl2]
FeCl3 + KCNS = K3[Fe(CNS)6] + KCl =>
FeCl3 + 6 KCNS = K3[Fe(CNS)6] + 3 KCl
PbI2 + HNO3 = PbNO3 + I2H =>
PbI2 + HNO3 = PbNO3 + I2H
HI(aq) + NaHCO3(aq) = H2CO3 + NaI =>
HI(aq) + NaHCO3(aq) = H2CO3 + NaI
Al + NH4ClO3 = N2 + H2O + HCl + Al2O3 =>
2 Al + 2 NH4ClO3 = N2 + 3 H2O + 2 HCl + Al2O3
Fe(s) + O3(g) = Fe2O2(s) =>
6 Fe(s) + 2 O3(g) = 3 Fe2O2(s)
FeCl2 + Br2 = FeCl3 + FeBr2 =>
3 FeCl2 + Br2 = 2 FeCl3 + FeBr2
C2H2(g) + O2(g) = CO2(g) + H2O(l) =>
2 C2H2(g) + 5 O2(g) = 4 CO2(g) + 2 H2O(l)
C2H6 + Cl2 = C2H5Cl + HCl =>
C2H6 + Cl2 = C2H5Cl + HCl
CaCO3(s) + H3PO4(aq) = Ca3(PO4)2(aq) + CO2(g) + H2O =>
3 CaCO3(s) + 2 H3PO4(aq) = Ca3(PO4)2(aq) + 3 CO2(g) + 3 H2O
C12H22O11 + NaHCO3 = NaC2H3O2 + H2O + CO2 =>
C12H22O11 + 6 NaHCO3 = 6 NaC2H3O2 + 5 H2O + 6 CO2
Zn + H2SO4 = ZnSO4 + H2 =>
Zn + H2SO4 = ZnSO4 + H2
Hg2O = Hg + O =>
Hg2O = 2 Hg + O
Zn + H2SO4 = ZnSO4 + H2 =>
Zn + H2SO4 = ZnSO4 + H2
HCOONa + H2O = H2COONa + OH =>
HCOONa + H2O = H2COONa + OH
PbO2 + NH3 = Pb + N + H2O =>
3 PbO2 + 4 NH3 = 3 Pb + 4 N + 6 H2O
UF4 + H2O = UF2O + H3FO =>
UF4 + 3 H2O = UF2O + 2 H3FO
AgNO3 + (NH4)2Fe(SO4)2 = NH4NO3 + Fe(NO3)2 + Ag2SO4 =>
4 AgNO3 + (NH4)2Fe(SO4)2 = 2 NH4NO3 + Fe(NO3)2 + 2 Ag2SO4
Ca3P2 + O2 = CaO + P =>
2 Ca3P2 + 3 O2 = 6 CaO + 4 P
NaHCO3 + HCl(aq) = NaCl(aq) + H2O(l) + CO2 =>
NaHCO3 + HCl(aq) = NaCl(aq) + H2O(l) + CO2
CuI + HNO3 = Cu(NO3)2 + I2 + NO + H2O =>
6 CuI + 16 HNO3 = 6 Cu(NO3)2 + 3 I2 + 4 NO + 8 H2O
NaBH4 + BF3 = NaBF4 + B2H6 =>
3 NaBH4 + 4 BF3 = 3 NaBF4 + 2 B2H6
KMnO4 + HCl = KCl + MnCl2 + H2O + Cl2 =>
2 KMnO4 + 16 HCl = 2 KCl + 2 MnCl2 + 8 H2O + 5 Cl2
CH3CH(OH)CH3 + KMnO4 + H2SO4 = CH3COCH3 + MnSO4 + K2SO4 + H2O =>
5 CH3CH(OH)CH3 + 2 KMnO4 + 3 H2SO4 = 5 CH3COCH3 + 2 MnSO4 + K2SO4 + 8 H2O
Fe{2+} + NO = FeNO{2+} =>
Fe{2+} + NO = FeNO{2+}
FeCl3 + HCl = Cl2 + FeH =>
FeCl3 + HCl = 2 Cl2 + FeH
Fe + NaOH = Fe(OH)2 + Na =>
Fe + 2 NaOH = Fe(OH)2 + 2 Na
Fe(s) + O3(g) = Fe2O2(s) =>
6 Fe(s) + 2 O3(g) = 3 Fe2O2(s)
Cu + AlCl3 = CuCl + Al =>
3 Cu + AlCl3 = 3 CuCl + Al
HNO3 + KOH = KNO3 + H2O =>
HNO3 + KOH = KNO3 + H2O
MnCl2 + Na2CO3 = MnCO3 + NaCl =>
MnCl2 + Na2CO3 = MnCO3 + 2 NaCl
CoCl2 + KCN + H2O = KOH + KCl + H2 + K3[Co(CN)6] =>
2 CoCl2 + 12 KCN + 2 H2O = 2 KOH + 4 KCl + H2 + 2 K3[Co(CN)6]
MgO + C6H8O7 = MgC6H6O7 + H2O =>
MgO + C6H8O7 = MgC6H6O7 + H2O
KMnO4 + HCl + Co = CoCl2 + MnCl2 + KCl + H2O =>
2 KMnO4 + 16 HCl + 5 Co = 5 CoCl2 + 2 MnCl2 + 2 KCl + 8 H2O
MnO2 + NaOH = MnO(OH) + Na3MnO4 + H2O =>
2 MnO2 + 3 NaOH = MnO(OH) + Na3MnO4 + H2O
BaCO3 + C6H12O6 = Ba4C + CO2 + H2O =>
8 BaCO3 + C6H12O6 = 2 Ba4C + 12 CO2 + 6 H2O
SO3 + H2 = S + H2O =>
SO3 + 3 H2 = S + 3 H2O
K(s) + HBr(aq) = KBr(aq) + H(l) =>
K(s) + HBr(aq) = KBr(aq) + H(l)
C8H10 + KMnO4 + H2SO4 = C8H6O4 + K2SO4 + MnSO4 + H2O =>
5 C8H10 + 12 KMnO4 + 18 H2SO4 = 5 C8H6O4 + 6 K2SO4 + 12 MnSO4 + 28 H2O
CH3COONH4 + HCl = CH3COOH + NH4Cl =>
CH3COONH4 + HCl = CH3COOH + NH4Cl
Mg(NO3)2 + HCl = MgCl2 + NO3H =>
Mg(NO3)2 + 2 HCl = MgCl2 + 2 NO3H
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