| Équations équilibrées la veille | Équations équilibrées le lendemain |
K2Cr2O7 + 3 K2HPO3 + 2 H2O = 2 Cr(OH)3 + K2HPO4 + 2 K3PO4
CH3CH2CH2Cl + Na = CH3CH2CH2CH2CH2CH3 + NaCl =>
2 CH3CH2CH2Cl + 2 Na = CH3CH2CH2CH2CH2CH3 + 2 NaCl
HCOOH + H2SO4 = CO2 + H2O + H2SO3 =>
HCOOH + H2SO4 = CO2 + H2O + H2SO3
Na2Cr2O3 + PI3 + HNO3 = NaIO2 + H3PO4 + Cr(NO3)2 + NaNO2 + H2O =>
5 Na2Cr2O3 + PI3 + 27 HNO3 = 3 NaIO2 + H3PO4 + 10 Cr(NO3)2 + 7 NaNO2 + 12 H2O
C21H27N7O + O2 = CO2 + H2O + NO2 =>
4 C21H27N7O + 137 O2 = 84 CO2 + 54 H2O + 28 NO2
K22 + H2O = KOH + H2 =>
K22 + 22 H2O = 22 KOH + 11 H2
Pb + Br{-} = PbBr2 + e =>
Pb + 2 Br{-} = PbBr2 + 2e
CH3CH2CH2Cl + Na = CH3CH2CH2CH2CH2CH3 + NaCl =>
2 CH3CH2CH2Cl + 2 Na = CH3CH2CH2CH2CH2CH3 + 2 NaCl
HMnO4 + HCl = MnCl2 + H2O + Cl2 =>
2 HMnO4 + 14 HCl = 2 MnCl2 + 8 H2O + 5 Cl2
C2HCO + O2 = CO2 + H2O =>
4 C2HCO + 11 O2 = 12 CO2 + 2 H2O
(NH4)2(CO3) = NH3 + H2(CO3) =>
(NH4)2(CO3) = 2 NH3 + H2(CO3)
[Co(H2O)6]Cl2 + NH4Cl + NH3 + H2O2 = [Co(NH3)5Cl]Cl2 + H2O =>
2[Co(H2O)6]Cl2 + 2 NH4Cl + 8 NH3 + H2O2 = 2[Co(NH3)5Cl]Cl2 + 14 H2O
Na2CO3 + KSO4 = KCO3 + Na2SO4 =>
Na2CO3 + KSO4 = KCO3 + Na2SO4
Pb + Cu(SO4)2 = Pb(SO4)2 + Cu =>
Pb + Cu(SO4)2 = Pb(SO4)2 + Cu
SrH2O2 + HCl = SrH2 + HOCl =>
SrH2O2 + 2 HCl = SrH2 + 2 HOCl
Ba(OH)2 + H3PO4 = Ba3(PO4)2 + H2O =>
3 Ba(OH)2 + 2 H3PO4 = Ba3(PO4)2 + 6 H2O
Mg(ClO3)2 + KMnO4 = Mg(MnO4)2 + KClO3 =>
Mg(ClO3)2 + 2 KMnO4 = Mg(MnO4)2 + 2 KClO3
Ba(OH)2 + HCe = BaCe2 + H2O =>
Ba(OH)2 + 2 HCe = BaCe2 + 2 H2O
KH2PO4 + Ca(OH)2 = K3PO4 + Ca3(PO4)2 + H2O =>
3 KH2PO4 + 3 Ca(OH)2 = K3PO4 + Ca3(PO4)2 + 6 H2O
K2Cr2O7 + H2SO4 = K2SO4 + Cr2(SO4)5 + H2O + O2 =>
2 K2Cr2O7 + 12 H2SO4 = 2 K2SO4 + 2 Cr2(SO4)5 + 12 H2O + O2
MnSO4 + Na2S2O8 + H2O = HMnO2 + Na2SO4 + H2SO4 =>
2 MnSO4 + Na2S2O8 + 4 H2O = 2 HMnO2 + Na2SO4 + 3 H2SO4
CuCO3 + H2 = Cu + H2O + CO2 =>
CuCO3 + H2 = Cu + H2O + CO2
Ca + Al2O3 + Si3N4 + AlN + N = Ca15Si77Al43O13N147 =>
45 Ca + 13 Al2O3 + 77 Si3N4 + 103 AlN + 30 N = 3 Ca15Si77Al43O13N147
Si + Mg = Mg2Si2 =>
2 Si + 2 Mg = Mg2Si2
NaNO3 + FeSO4 = Fe(NO3)2 + Na2SO4 =>
2 NaNO3 + FeSO4 = Fe(NO3)2 + Na2SO4
Na + C = NaC3 =>
Na + 3 C = NaC3
Pb(OH)4 + H3PO4 = Pb3(PO4)4 + H2O =>
3 Pb(OH)4 + 4 H3PO4 = Pb3(PO4)4 + 12 H2O
FeS + KOH = Fe(OH)2 + K2S =>
FeS + 2 KOH = Fe(OH)2 + K2S
H2O + N2B4O7 + H2SO4 = H3BO3 + N2SO4 =>
5 H2O + N2B4O7 + H2SO4 = 4 H3BO3 + N2SO4
OH + H2S = SO3 + HOH =>
8 OH + H2S = SO3 + 5 HOH
Mn + HNO3 = Mn(NO3)2 + NO2 + H2O =>
Mn + 4 HNO3 = Mn(NO3)2 + 2 NO2 + 2 H2O
CaCl2 + K3PO4 = Ca3(PO4)2 + KCl =>
3 CaCl2 + 2 K3PO4 = Ca3(PO4)2 + 6 KCl
C6H12 + O2 = CO2 + H2O =>
C6H12 + 9 O2 = 6 CO2 + 6 H2O
FeCO3 + C4H6O6 = H2O + Fe + CO2 =>
5 FeCO3 + C4H6O6 = 3 H2O + 5 Fe + 9 CO2
KI(aq) + Na2CO3(aq) = K2CO3(aq) + NaI(aq) =>
2 KI(aq) + Na2CO3(aq) = K2CO3(aq) + 2 NaI(aq)
Cr + CoCl2 = Cr2Cl3 + Co =>
4 Cr + 3 CoCl2 = 2 Cr2Cl3 + 3 Co
CoSO4 + (NH4)2CO3 = (NH4)SO4 + Co2CO3 =>
2 CoSO4 + (NH4)2CO3 = 2(NH4)SO4 + Co2CO3
Cu(NO3)2 + KI + Na2S2O3 + H2O = CuI + KNO3 + NaNO3 + H2SO2 + O2 =>
4 Cu(NO3)2 + 4 KI + 2 Na2S2O3 + 4 H2O = 4 CuI + 4 KNO3 + 4 NaNO3 + 4 H2SO2 + O2
Pd + HCI = CI + HPd =>
Pd + HCI = CI + HPd
H2O + H3AsO3 = H3AsO4 + H3O =>
3 H2O + H3AsO3 = H3AsO4 + 2 H3O
H3CCH2OHCH2 + K2Cr2O7 + H2SO4 = H3CCH2COCH3 + Cr2(SO4)3 + K2SO4 + H2O =>
4 H3CCH2OHCH2 + K2Cr2O7 + 4 H2SO4 = 3 H3CCH2COCH3 + Cr2(SO4)3 + K2SO4 + 8 H2O
CH4Cl2 = CH3ClHCl =>
CH4Cl2 = CH3ClHCl
CH3OH + Cr2O7 + H{+} = CH2O + Cr3{+} + H2O =>
20 CH3OH + 3 Cr2O7 + 2 H{+} = 20 CH2O + 2 Cr3{+} + 21 H2O
C6H13OH + O = C5H11COH + H2O =>
C6H13OH + O = C5H11COH + H2O
P + O = P20O =>
20 P + O = P20O
FeO + H2S + O2 = FeSO4 + H2O =>
FeO + H2S + 2 O2 = FeSO4 + H2O
N2O5 + C3H6 = CH3CHOCH2 + NO2 =>
N2O5 + C3H6 = CH3CHOCH2 + 2 NO2
Cr2O7{-} + H{-} + Cl{+} = Cr{2+} + H2O{-} + Cl2 =>
Cr2O7{-} + 14 H{-} + 12 Cl{+} = 2 Cr{2+} + 7 H2O{-} + 6 Cl2
C4H9OH + CuO = C4H8OH + H2O + Cu =>
2 C4H9OH + CuO = 2 C4H8OH + H2O + Cu
Co + NaOH = HCoONa =>
Co + NaOH = HCoONa
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| Équations équilibrées la veille | Équations équilibrées le lendemain |
Équations équilibrées sur01/27/25
Équations équilibrées sur02/26/24
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