| Équations équilibrées la veille |
2 Zn1 + O2 = 2 ZnO
K2Cr2O7 + H2SO4 + CH3CH2OH = K2SO4 + Cr2(SO4)3 + H2O + CH3CHO =>
K2Cr2O7 + 4 H2SO4 + 3 CH3CH2OH = K2SO4 + Cr2(SO4)3 + 7 H2O + 3 CH3CHO
BaCl2 + K2SO4 = KCl + BaSO4(s) =>
BaCl2 + K2SO4 = 2 KCl + BaSO4(s)
NH3 + HCl = NH4Cl =>
NH3 + HCl = NH4Cl
H3BO3 + Ca(OH)2 = Ca3(BO3)2 + H2O =>
2 H3BO3 + 3 Ca(OH)2 = Ca3(BO3)2 + 6 H2O
PbO + CaO = PbCa + O2 =>
PbO + CaO = PbCa + O2
Na3PO3 + CaCl2 = Ca3 + PO3 + NaCl =>
2 Na3PO3 + 3 CaCl2 = Ca3 + 2 PO3 + 6 NaCl
HCl(aw) + CaCO3(s) = CO2(g) + CaCl2(aw) + H2O(l) =>
2 HCl(aw) + CaCO3(s) = CO2(g) + CaCl2(aw) + H2O(l)
Br2 + C4H6 = H2 + C4H2Br2 =>
Br2 + C4H6 = 2 H2 + C4H2Br2
K + Br2 = KBr = K + Br2 =>
2 K + Br2 = 2 KBr
KMnO4 + FeCl2 + KOH = K2MnO4 + FeCl3 + Fe(OH)2 =>
2 KMnO4 + 3 FeCl2 + 2 KOH = 2 K2MnO4 + 2 FeCl3 + Fe(OH)2
NH3 + NO = NH3NO =>
NH3 + NO = NH3NO
I2O5 + Ca(OH)2 = Ca(IO3)2 + H2O =>
I2O5 + Ca(OH)2 = Ca(IO3)2 + H2O
KNO2 + Zn + KOH = NH3 + K2Zn2O2 + H2O =>
KNO2 + 6 Zn + 5 KOH = NH3 + 3 K2Zn2O2 + H2O
FeBr3 = Br2 + Fe =>
2 FeBr3 = 3 Br2 + 2 Fe
FeSO4 + Na2SiO3 = FeSiO3 + SO4Na2 =>
FeSO4 + Na2SiO3 = FeSiO3 + SO4Na2
Ni(NO3)2 + FeSO4 = NiSO4 + Fe(NO3)2 =>
Ni(NO3)2 + FeSO4 = NiSO4 + Fe(NO3)2
NaI + H3PO4 = NaPO4 + H3I =>
NaI + H3PO4 = NaPO4 + H3I
NBr3 + NaOH = N2 + NaBr + HOBr =>
2 NBr3 + 3 NaOH = N2 + 3 NaBr + 3 HOBr
Ba(NO3)2 + (NH4)2(CO3) = BaCO3 + NH4(NO3) =>
Ba(NO3)2 + (NH4)2(CO3) = BaCO3 + 2 NH4(NO3)
FeCl3 + KOH = Fe(OH)3 + KCl =>
FeCl3 + 3 KOH = Fe(OH)3 + 3 KCl
Ca(NO3)2 + H3PO4 = Ca3(PO4)2 + HNO3 =>
3 Ca(NO3)2 + 2 H3PO4 = Ca3(PO4)2 + 6 HNO3
Ce(NO3)3 + H2O = HNO3 + Ce(OH)3 =>
Ce(NO3)3 + 3 H2O = 3 HNO3 + Ce(OH)3
PbCl2 + H2SO4 = PbSO4 + H2 + Cl2 =>
PbCl2 + H2SO4 = PbSO4 + H2 + Cl2
NH4OH + KOH = KNO3 + H2O + NH4 =>
9 NH4OH + KOH = KNO3 + 7 H2O + 8 NH4
Fe + HCl = FeCl3 + H4 =>
4 Fe + 12 HCl = 4 FeCl3 + 3 H4
V(NO3)5 + Pb(CN)4 = Pb(NO3)4 + V(CN)5 =>
4 V(NO3)5 + 5 Pb(CN)4 = 5 Pb(NO3)4 + 4 V(CN)5
K2Cr2O7 + H2SO4 + NaI = Cr2(SO4)3 + I2 + Na2SO4 + K2SO4 + H2O =>
K2Cr2O7 + 7 H2SO4 + 6 NaI = Cr2(SO4)3 + 3 I2 + 3 Na2SO4 + K2SO4 + 7 H2O
Cu2 + I2 = CuI =>
Cu2 + I2 = 2 CuI
Na2SO4 + C = CO + Na2S =>
Na2SO4 + 4 C = 4 CO + Na2S
(NH4)2S + Ni(ClO3)3 = NH4ClO3 + Ni2S3 =>
3(NH4)2S + 2 Ni(ClO3)3 = 6 NH4ClO3 + Ni2S3
I2O5 + Ca(OH)2 = Ca(IO3)2 + H2O =>
I2O5 + Ca(OH)2 = Ca(IO3)2 + H2O
C2Na2 + H2O = C2H2 + Na2O =>
C2Na2 + H2O = C2H2 + Na2O
ClO3{-} + HAsO2 + H2O = H3AsO4 + Cl{-} =>
ClO3{-} + 3 HAsO2 + 3 H2O = 3 H3AsO4 + Cl{-}
La(OH)3 + H2CO3 = La(HCO3)3 + H2O =>
La(OH)3 + 3 H2CO3 = La(HCO3)3 + 3 H2O
C2H6O2 + O2 = CO + H2O =>
2 C2H6O2 + 3 O2 = 4 CO + 6 H2O
CH4SiCl2 + H2O = HCl + CH3SiOH =>
CH4SiCl2 + H2O = 2 HCl + CH3SiOH
KClO3 + H2SO4 = KHSO4 + Cl2 + H2O + O2 =>
4 KClO3 + 4 H2SO4 = 4 KHSO4 + 2 Cl2 + 2 H2O + 5 O2
CH3CH2CH2CH2OH + CH3COOH = CH3CH2CH2CH2COOCH3 + H2O =>
CH3CH2CH2CH2OH + CH3COOH = CH3CH2CH2CH2COOCH3 + H2O
H3Po4(aq) + KOH(aq) = K3Po4(aq) + H2O(l) =>
H3Po4(aq) + 3 KOH(aq) = K3Po4(aq) + 3 H2O(l)
Zn + O2 = Zn3O =>
6 Zn + O2 = 2 Zn3O
Si(OC2H5)4 + H2O = (C2H5O)3SiOSi(OC2H5)3 + C2H5OH =>
2 Si(OC2H5)4 + H2O = (C2H5O)3SiOSi(OC2H5)3 + 2 C2H5OH
HCHO + [Ag(NH3)2]{+} + OH{-} = HCOO{-}NH4{+} + Ag + NH3 + H2O =>
HCHO + 2[Ag(NH3)2]{+} + 3 OH{-} = HCOO{-}NH4{+} + 2 Ag + 4 NH3 + 2 H2O
KF + AsF5 = KAsF6 =>
KF + AsF5 = KAsF6
C4H6O5(aq) + NaHCO3 = NaC4H6O5 + CO2 + H2O =>
13 C4H6O5(aq) + 12 NaHCO3 = 12 NaC4H6O5 + 16 CO2 + 9 H2O
(MnO4){-} + (NO2){-} + H{+} = Mn{+2} + (NO3){-} + H2O =>
2(MnO4){-} + 5(NO2){-} + 6 H{+} = 2 Mn{+2} + 5(NO3){-} + 3 H2O
KOH + NaOH = KNa + OH =>
KOH + NaOH = KNa + 2 OH
MnO2 + Mg = MgO + Mn =>
MnO2 + 2 Mg = 2 MgO + Mn
Al(NO3)3(aq) + Li2SO4(aq) = Al2(SO4)3 + LiNO3 =>
2 Al(NO3)3(aq) + 3 Li2SO4(aq) = Al2(SO4)3 + 6 LiNO3
CH3ONaHCl = CH3OHNaCl =>
CH3ONaHCl = CH3OHNaCl
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Équations équilibrées sur11/22/24
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