| Équations équilibrées la veille |
2 KBr(aq) + Na2CO3(aq) = K2CO3 + 2 NaBr
C7H15OH + O2 = CO2 + H2O =>
2 C7H15OH + 21 O2 = 14 CO2 + 16 H2O
AgNO3(aq) + NiCl2(aq) = AgCl + Ni(NO3)2 =>
2 AgNO3(aq) + NiCl2(aq) = 2 AgCl + Ni(NO3)2
(NH4)2U2O7 + HCl = UO2Cl2 + H2O + NH4Cl =>
(NH4)2U2O7 + 6 HCl = 2 UO2Cl2 + 3 H2O + 2 NH4Cl
Al + FeO2 = AlO + Fe =>
2 Al + FeO2 = 2 AlO + Fe
LiOH(aq) + CaCl2(aq) = LiCl(aq) + Ca(OH)2 =>
2 LiOH(aq) + CaCl2(aq) = 2 LiCl(aq) + Ca(OH)2
Br2(l) + Na(s) = NaBr2(s) =>
Br2(l) + Na(s) = NaBr2(s)
Li(OH) + Fe(NO3)3 = Fe(OH)3 + LiNO3 =>
3 Li(OH) + Fe(NO3)3 = Fe(OH)3 + 3 LiNO3
C2H5COOH + Zn = (C2H5COO)2Zn + H2 =>
2 C2H5COOH + Zn = (C2H5COO)2Zn + H2
HC4H3N2O5 + H2O = H3O + C4H3N2O5 =>
HC4H3N2O5 + H2O = H3O + C4H3N2O5
Fe(OH)2(s) + H2SO4(aq) = FeSO4(aq) + H2O(l) =>
Fe(OH)2(s) + H2SO4(aq) = FeSO4(aq) + 2 H2O(l)
K2Cr2O7 + H2SO4 = K2SO4 + Cr2(SO4)3 + H2O + (O) =>
K2Cr2O7 + 4 H2SO4 = K2SO4 + Cr2(SO4)3 + 4 H2O + 3(O)
K2SO4 + BaI2 = KI + BaSO4 =>
K2SO4 + BaI2 = 2 KI + BaSO4
ZnS(s) + O2(g) = ZnO(s) + SO2(g) =>
2 ZnS(s) + 3 O2(g) = 2 ZnO(s) + 2 SO2(g)
HCl + CaCO3 = CaCl2 + H2O + CO2 =>
2 HCl + CaCO3 = CaCl2 + H2O + CO2
Al2(SO4)3 + H2O + (NH4)2SO4 = Al2(SO4)3(NH4)2SO4H2O =>
Al2(SO4)3 + H2O + (NH4)2SO4 = Al2(SO4)3(NH4)2SO4H2O
HClO3(aq) + H2O(l) = ClO3(aq) + H3O(aq) =>
HClO3(aq) + H2O(l) = ClO3(aq) + H3O(aq)
PH3 + H2O + CrO4{2-} = P4 + Cr(OH)4{-} + OH{-} =>
4 PH3 + 4 H2O + 4 CrO4{2-} = P4 + 4 Cr(OH)4{-} + 4 OH{-}
Sn(HCO3)2 + H2O = H2CO3 + Sn(OH)2 =>
Sn(HCO3)2 + 2 H2O = 2 H2CO3 + Sn(OH)2
(NH4)2C2O4 + CuSO4 = (NH4)2SO4 + CuC2O4 =>
(NH4)2C2O4 + CuSO4 = (NH4)2SO4 + CuC2O4
K[BiI4] + H2O = H[BiI4] + KOH =>
K[BiI4] + H2O = H[BiI4] + KOH
H2SO4 + Pb(C2H3O2)2 = PbSO4 + C2H4O2 =>
H2SO4 + Pb(C2H3O2)2 = PbSO4 + 2 C2H4O2
CH3CH(OH)CH3 + Na2Cr2O7 + H2SO4 = CH3CH2CH2CHO + Cr2(SO4)3 + Na2SO4 + H2O =>
4 CH3CH(OH)CH3 + Na2Cr2O7 + 4 H2SO4 = 3 CH3CH2CH2CHO + Cr2(SO4)3 + Na2SO4 + 8 H2O
KCl(aq) + CaS(aq) = K2S + CaCl2 =>
2 KCl(aq) + CaS(aq) = K2S + CaCl2
BCl3 + H2O = BO3H3 + HCl =>
BCl3 + 3 H2O = BO3H3 + 3 HCl
NH4SCN + (NH4)2Cr2O7 = (NH4)[Cr(SCN)4(NH3)2]*H2O + NH3 + H2O + O2 =>
16 NH4SCN + 2(NH4)2Cr2O7 = 4(NH4)[Cr(SCN)4(NH3)2]*H2O + 8 NH3 + 4 H2O + 3 O2
C8H18 + O2(g) = CO2(g) + H2O(g) =>
2 C8H18 + 25 O2(g) = 16 CO2(g) + 18 H2O(g)
P2O3 + H2O + HNO3 = NO2 + H3PO4 =>
P2O3 + H2O + 4 HNO3 = 4 NO2 + 2 H3PO4
FeCl3 + H2O2 = HCl + Fe2O3 + O2 =>
4 FeCl3 + 6 H2O2 = 12 HCl + 2 Fe2O3 + 3 O2
KNO3 + KI + HCl = NO + I2 + KCl + H2O =>
2 KNO3 + 6 KI + 8 HCl = 2 NO + 3 I2 + 8 KCl + 4 H2O
Fe(OH)3 = Fe2O3 + H2O =>
2 Fe(OH)3 = Fe2O3 + 3 H2O
Ra + O2 = RaO2 =>
Ra + O2 = RaO2
NaAlSiO4 + SiO2 = NaAl(SiO3)2 =>
NaAlSiO4 + SiO2 = NaAl(SiO3)2
Cu + H2O2 = CuO2 + H2 =>
Cu + H2O2 = CuO2 + H2
CH3CH2NO2 + Fe + HCl = CH3CH2NH3Cl + FeCl2 + H2O =>
CH3CH2NO2 + 3 Fe + 7 HCl = CH3CH2NH3Cl + 3 FeCl2 + 2 H2O
KMnO4 + KCl = K2MnO4 + Cl2 =>
2 KMnO4 + 2 KCl = 2 K2MnO4 + Cl2
Al + CsOH = Al(OH)3 + Cs =>
Al + 3 CsOH = Al(OH)3 + 3 Cs
K(NO3) = KNO2 + O2 =>
2 K(NO3) = 2 KNO2 + O2
NO2(g) = N2O4(g) =>
2 NO2(g) = N2O4(g)
Al + FeO2 = AlO + Fe =>
2 Al + FeO2 = 2 AlO + Fe
Cl + HNO3 = ClNO3 + H =>
Cl + HNO3 = ClNO3 + H
Na + O2 = Na2O =>
4 Na + O2 = 2 Na2O
K2CrO4 + KOH + H[SnCl3] + H2O = Cr(OH)3 + K2[Sn(OH)5] + KCl =>
K2CrO4 + 13 KOH + 3 H[SnCl3] + H2O = Cr(OH)3 + 3 K2[Sn(OH)5] + 9 KCl
Pb(s) + Ag(NO3)2 = Ag + Pb(NO3)2 =>
Pb(s) + Ag(NO3)2 = Ag + Pb(NO3)2
NH4Cl + HCl = NH5 + Cl2 =>
NH4Cl + HCl = NH5 + Cl2
HfCl3 + Al = HfCl2 + AlCl3 =>
3 HfCl3 + Al = 3 HfCl2 + AlCl3
Co(NO3)2 + Zn = Zn(NO3)2 + Co =>
Co(NO3)2 + Zn = Zn(NO3)2 + Co
C8H11 + KMnO4 + H2SO4 = C8H6O4 + MnSO4 + K2SO4 + H2O =>
10 C8H11 + 26 KMnO4 + 39 H2SO4 = 10 C8H6O4 + 26 MnSO4 + 13 K2SO4 + 64 H2O
C3H6O3 + KMnO4 + H2SO4 = C3H4O3 + K2SO4 + MnSO4 + H2O =>
5 C3H6O3 + 2 KMnO4 + 3 H2SO4 = 5 C3H4O3 + K2SO4 + 2 MnSO4 + 8 H2O
F2S3 = F + S =>
F2S3 = 2 F + 3 S
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