| Équations équilibrées la veille | Équations équilibrées le lendemain |
FeO + 2 HClO4 = H2O + FeCl2O8
FeSO4 + K2Cr2O7 + H2S2O7 = Fe2(SO4)3 + Cr2(SO4)3 + K2SO4 + H2SO4 =>
6 FeSO4 + K2Cr2O7 + 7 H2S2O7 = 3 Fe2(SO4)3 + Cr2(SO4)3 + K2SO4 + 7 H2SO4
NaHCO3 + HC2H3O2 = H3O + CO3 + NaC2H3O2 =>
8 NaHCO3 + 7 HC2H3O2 = 4 H3O + 6 CO3 + 8 NaC2H3O2
KClO4 + HI = I2 + H2O + KCl =>
KClO4 + 8 HI = 4 I2 + 4 H2O + KCl
(H2O2) + (H2SO4) + KI = I2 + K2SO4 + H2O =>
(H2O2) + (H2SO4) + 2 KI = I2 + K2SO4 + 2 H2O
C5H6 + KMnO4 = C5H6O2 + KMnO2 =>
C5H6 + KMnO4 = C5H6O2 + KMnO2
CaCO3(s) + H2SO4(aq) = CO2 + CaSO4 + H2O =>
CaCO3(s) + H2SO4(aq) = CO2 + CaSO4 + H2O
C3H6 + Cr2O7{2-} + H{+} = CH3COOH + Cr{3+} + H2O =>
2 C3H6 + 2 Cr2O7{2-} + 16 H{+} = 3 CH3COOH + 4 Cr{3+} + 8 H2O
NH4Cl + CH3COONa = CH3COOH + NH3 + NaCl =>
NH4Cl + CH3COONa = CH3COOH + NH3 + NaCl
Sodiumchloride + Lead(ii)nitrate = Sodiumnitrate + lead(ii)chloride =>
2 NaCl + Pb(NO3)2 = 2 NaNO3 + PbCl2
Na2Zn(OH)4 + HCl = ZnCl2 + NaCl + H2O =>
Na2Zn(OH)4 + 4 HCl = ZnCl2 + 2 NaCl + 4 H2O
Na2SO4 + H2O + SO2 = H2SO4 + Na2SO3 =>
Na2SO4 + H2O + SO2 = H2SO4 + Na2SO3
Mn + PbO2 = MnO2 + Pb =>
Mn + PbO2 = MnO2 + Pb
Co + Sn = CoSn =>
Co + Sn = CoSn
TaCl5 + H2O = Ta2O5 + HCl =>
2 TaCl5 + 5 H2O = Ta2O5 + 10 HCl
CH3CH2CH2OH + CUO = CH3CH2CHO + CU + H2O =>
CH3CH2CH2OH + CUO = CH3CH2CHO + CU + H2O
Mg3(PO3)2 = PO3 + Mg =>
Mg3(PO3)2 = 2 PO3 + 3 Mg
CaSiO3 + HCl = CaSiO3HCl =>
CaSiO3 + HCl = CaSiO3HCl
Cr2(SO4)3 + H2O + Na2S = Cr(OH)3 + H2S + Na2SO4 =>
Cr2(SO4)3 + 6 H2O + 3 Na2S = 2 Cr(OH)3 + 3 H2S + 3 Na2SO4
C14H11NO2 + O2 = CO2 + H2O + NO3 =>
4 C14H11NO2 + 69 O2 = 56 CO2 + 22 H2O + 4 NO3
HCOOH = H2 + CO2 =>
HCOOH = H2 + CO2
Na2HPO4 + Cu(NO3)2 = Cu3(PO4)2 + NaNO3 + HNO3 =>
2 Na2HPO4 + 3 Cu(NO3)2 = Cu3(PO4)2 + 4 NaNO3 + 2 HNO3
Re + F2 = ReF5 =>
2 Re + 5 F2 = 2 ReF5
HNO3(aq) + Hg(OH)2(s) = H2O(l) + Hg(NO3)2(aq) =>
2 HNO3(aq) + Hg(OH)2(s) = 2 H2O(l) + Hg(NO3)2(aq)
Fe{2+} + NO = [Fe(NO)]{2+} =>
Fe{2+} + NO = [Fe(NO)]{2+}
Na2S(aq) + ZnSO4(aq) = Na2SO4(aq) + ZnS(s) =>
Na2S(aq) + ZnSO4(aq) = Na2SO4(aq) + ZnS(s)
Cu2O = Cu + CuO =>
Cu2O = Cu + CuO
C0(g) + H2O(g) = CO(g) + H2(g) =>
C0(g) + H2O(g) = CO(g) + H2(g)
PbO2 + NaI + H2SO4 = PbSO4 + Na2SO4 + I2 + H2O =>
PbO2 + 2 NaI + 2 H2SO4 = PbSO4 + Na2SO4 + I2 + 2 H2O
NH4SCN + Ba(OH)2 = H2O + NH3 + Ba(SCN)2 =>
2 NH4SCN + Ba(OH)2 = 2 H2O + 2 NH3 + Ba(SCN)2
SeO4{-2} + H2S = Se + SO4{-2} + H =>
SeO4{-2} + H2S = Se + SO4{-2} + 2 H
HCl + Fe(SCN)3 = FeCl + H(SCN)3 =>
HCl + Fe(SCN)3 = FeCl + H(SCN)3
KNO2 + MnO2 + H2SO4 = KNO3 + MnSO4 + H2O =>
KNO2 + MnO2 + H2SO4 = KNO3 + MnSO4 + H2O
MnSO4 + Na2FeO4 + HNO3 = Fe2(SO4)3 + MnO2 + NaNO3 + H2O =>
3 MnSO4 + 2 Na2FeO4 + 4 HNO3 = Fe2(SO4)3 + 3 MnO2 + 4 NaNO3 + 2 H2O
PbCl2 + K2CO3 = KCl + PbCO3 =>
PbCl2 + K2CO3 = 2 KCl + PbCO3
Al(OH)3 + BaCl2 = Al(OH)Cl2 + Ba(OH)2 =>
Al(OH)3 + BaCl2 = Al(OH)Cl2 + Ba(OH)2
Cl2(g) + Zn(s) = ZnCl(s) =>
Cl2(g) + 2 Zn(s) = 2 ZnCl(s)
NO2 + Na2O = NaNO2 + O2 =>
4 NO2 + 2 Na2O = 4 NaNO2 + O2
CaCO3 + HCH3CO2 = H2CO3 + Ca(CH3CO2)2 =>
CaCO3 + 2 HCH3CO2 = H2CO3 + Ca(CH3CO2)2
Al(OH)3 + HBr = AlBr3 + H2O =>
Al(OH)3 + 3 HBr = AlBr3 + 3 H2O
HClO + ZnO = H2O + Zn(ClO)2 =>
2 HClO + ZnO = H2O + Zn(ClO)2
Na2SO3 + H2SO4 + K2Cr2O7 = K2SO4 + Cr2O3 + Na2SO4 + H2O =>
3 Na2SO3 + H2SO4 + K2Cr2O7 = K2SO4 + Cr2O3 + 3 Na2SO4 + H2O
CaC2 + H2SO4 = CaSO4 + HC =>
CaC2 + H2SO4 = CaSO4 + 2 HC
(NH4)2SO3 + NaOH = NH3 + Na2SO3 + H2O =>
(NH4)2SO3 + 2 NaOH = 2 NH3 + Na2SO3 + 2 H2O
C3H8 + O2 = H2O + CO2 =>
C3H8 + 5 O2 = 4 H2O + 3 CO2
Na2CO3(aq) + CaCl2(aq) = CaCO3(aq) + Na2Cl2(s) =>
Na2CO3(aq) + CaCl2(aq) = CaCO3(aq) + Na2Cl2(s)
BrO3{-} + Sn + H{+} = Br{-} + Sn{2+} + H2O =>
BrO3{-} + 3 Sn + 6 H{+} = Br{-} + 3 Sn{2+} + 3 H2O
chlorine + AlI3 = aluminumchloride + iodine =>
3 Cl2 + 2 AlI3 = 2 AlCl3 + 3 I2
Zr(OH)4 + HArS = Zr(OH)3ArS + H2O =>
Zr(OH)4 + HArS = Zr(OH)3ArS + H2O
H2O + NH3 + CH3CH2COH = NH4 + CH3CH2COO =>
H2O + 3 NH3 + CH3CH2COH = 3 NH4 + CH3CH2COO
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Équations équilibrées sur06/14/25
Équations équilibrées sur07/14/24
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