| Équations équilibrées la veille | Équations équilibrées le lendemain |
4 MnO2 + NaClO4 + 8 NaOH = NaCl + 4 Na2MnO4 + 4 H2O
FeS + H2O = FeSH2O =>
FeS + H2O = FeSH2O
C6H6O + Na2CO3 = NaOH + C6H5 + CO3 =>
2 C6H6O + Na2CO3 = 2 NaOH + 2 C6H5 + CO3
K(s) + Br(aq) = KBr =>
K(s) + Br(aq) = KBr
NaBr + KMnO4 = KNa + MnO4Br =>
NaBr + KMnO4 = KNa + MnO4Br
CaCO3 + C3H6O3 = C6H10CaO6 + H2O + CO2 =>
CaCO3 + 2 C3H6O3 = C6H10CaO6 + H2O + CO2
C2H6O(l) + O2(g) = H20(l) + CO2(g) =>
10 C2H6O(l) + 15 O2(g) = 3 H20(l) + 20 CO2(g)
Mn + Na2SO4 = Mn2SO4 + Na =>
2 Mn + Na2SO4 = Mn2SO4 + 2 Na
AgNO3 + NaCl + K2Cr2O7 = Ag2Cr2O7 + NaNO3 + KCl =>
2 AgNO3 + 2 NaCl + K2Cr2O7 = Ag2Cr2O7 + 2 NaNO3 + 2 KCl
Ba(NO3)(aq) + Na(PO4)(aq) = Ba(PO4)(s) + Na(NO3)(aq) =>
Ba(NO3)(aq) + Na(PO4)(aq) = Ba(PO4)(s) + Na(NO3)(aq)
C12H5Cl5 + O2 = CO2 + HCl =>
C12H5Cl5 + 12 O2 = 12 CO2 + 5 HCl
COH2 + O2 = CO2 + H2O =>
COH2 + O2 = CO2 + H2O
NaI + H2O = NaI*2H2O =>
NaI + 2 H2O = NaI*2H2O
Ba + Ag3BO3 = Ba2(BO3)2 + Ag =>
2 Ba + 2 Ag3BO3 = Ba2(BO3)2 + 6 Ag
CO + H2 = CH4 + HO2 =>
4 CO + 9 H2 = 4 CH4 + 2 HO2
Na3AlO3 + HCl = NaCl + Al + H2O + O2 =>
4 Na3AlO3 + 12 HCl = 12 NaCl + 4 Al + 6 H2O + 3 O2
[Zn(NH3)4][(BF4)2] + NaOH = [Zn(NH3)4][(OH)2] + Na(BF4) =>
[Zn(NH3)4][(BF4)2] + 2 NaOH = [Zn(NH3)4][(OH)2] + 2 Na(BF4)
Br + Pb(NO3)2 = BrNO3 + Pb =>
2 Br + Pb(NO3)2 = 2 BrNO3 + Pb
MgCO3 + CH3COOH = MgCOOH + CO2 + H2O =>
8 MgCO3 + 3 CH3COOH = 8 MgCOOH + 6 CO2 + 2 H2O
Nd2Fe14BH = Nd2Fe14B + H =>
Nd2Fe14BH = Nd2Fe14B + H
Au2O3 = Au + O2 =>
2 Au2O3 = 4 Au + 3 O2
KClO3 = KCl + O2 =>
2 KClO3 = 2 KCl + 3 O2
PbCO3 + NaI = Na2CO3 + PbI2 =>
PbCO3 + 2 NaI = Na2CO3 + PbI2
C6H14N + O2 + H{+} = CO2 + NH4{+} + H2O =>
4 C6H14N + 35 O2 + 4 H{+} = 24 CO2 + 4 NH4{+} + 22 H2O
KI + Cl2 = I2 + KCl2 =>
2 KI + 2 Cl2 = I2 + 2 KCl2
CH3COOH + PB(OH)2 = PB(CH3COO)2 + H2O =>
2 CH3COOH + PB(OH)2 = PB(CH3COO)2 + 2 H2O
Fe2O3 + H2(g) = FeO(s) + H2O =>
Fe2O3 + H2(g) = 2 FeO(s) + H2O
Bi(NO3)3 + Br2 + KOH = KBiO3 + KBr + KNO3 + H2O =>
Bi(NO3)3 + Br2 + 6 KOH = KBiO3 + 2 KBr + 3 KNO3 + 3 H2O
C2H4O2 + C2H5OH = H2O + CH2COOC2H5 =>
5 C2H4O2 + 3 C2H5OH = 5 H2O + 4 CH2COOC2H5
Fe2O3 + H2 = Fe + H2O300 =>
100 Fe2O3 + H2 = 200 Fe + H2O300
NaIO3 + Cl2 + NaOH = Na3H2IO6 + NaCl + H2O =>
NaIO3 + Cl2 + 4 NaOH = Na3H2IO6 + 2 NaCl + H2O
[Cr(OH)6]3{-} + ClO3{-} + OH{-} = CrO42{-} + Cl{-} + H2O =>
3[Cr(OH)6]3{-} + 116 ClO3{-} + 6 OH{-} = 9 CrO42{-} + 116 Cl{-} + 30 H2O
CH2CHCH3 + HOCl = CH3CH2CHOHCl =>
CH2CHCH3 + HOCl = CH3CH2CHOHCl
Ba + LiOH = Ba(OH)2 + Li =>
Ba + 2 LiOH = Ba(OH)2 + 2 Li
NH4NO3 + H2O = NH4OH + HNO3 =>
NH4NO3 + H2O = NH4OH + HNO3
(NH4)2 + BaCl2 = (NH4)Cl2 + Ba =>
(NH4)2 + 2 BaCl2 = 2(NH4)Cl2 + 2 Ba
NaI2 + Cu(NO3)2 = I2 + NaCu(NO3)2 =>
NaI2 + Cu(NO3)2 = I2 + NaCu(NO3)2
CH3OH + KMnO4 + H2SO4 = CH2OOH + K2SO4 + MnSO4 + H2O =>
10 CH3OH + 6 KMnO4 + 9 H2SO4 = 10 CH2OOH + 3 K2SO4 + 6 MnSO4 + 14 H2O
Cu2O + KMnO4 + H2SO4 = CuSO4 + K2SO4 + MnSO4 + H2O =>
5 Cu2O + 2 KMnO4 + 13 H2SO4 = 10 CuSO4 + K2SO4 + 2 MnSO4 + 13 H2O
KClO3 + KI + H2SO4 = I2 + KCl + K2SO4 + H2O =>
KClO3 + 6 KI + 3 H2SO4 = 3 I2 + KCl + 3 K2SO4 + 3 H2O
C3H18 + O2 = CO2 + H2O =>
2 C3H18 + 15 O2 = 6 CO2 + 18 H2O
NH3 + CO2 = CO(NH2)2H2O =>
2 NH3 + CO2 = CO(NH2)2H2O
K2SO4 + H3PO4 = KH2PO4 + H2O + SO3 =>
K2SO4 + 2 H3PO4 = 2 KH2PO4 + H2O + SO3
Al + CuCl3 = AlCl2 + Cu2 =>
3 Al + 2 CuCl3 = 3 AlCl2 + Cu2
FeOHBr + NaOH = Fe(OH)2 + NaBr =>
FeOHBr + NaOH = Fe(OH)2 + NaBr
CH3CHNH2COOCH3 + CH3COOH = CH3CH(NHCOCH3)COOCH3 + H2O =>
CH3CHNH2COOCH3 + CH3COOH = CH3CH(NHCOCH3)COOCH3 + H2O
HC2H3O2 + Fe(OH)3 = H2O + Fe(C2H3O2)3 =>
3 HC2H3O2 + Fe(OH)3 = 3 H2O + Fe(C2H3O2)3
LiOH + Al(OH)3 = H2O + LiAlO2 =>
LiOH + Al(OH)3 = 2 H2O + LiAlO2
As2S3 + HNO3 = H2S04 + H3AsO4 + NO2 + H2O =>
4 As2S3 + 34 HNO3 = 3 H2S04 + 8 H3AsO4 + 34 NO2 + 2 H2O
C2H5OH + O2 = H2O + C2H4CO2 =>
3 C2H5OH + 3 O2 = 5 H2O + 2 C2H4CO2
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Équations équilibrées sur01/08/25
Équations équilibrées sur02/07/24
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