| Équations équilibrées la veille |
BaO + MgO = MgBa + O2
SO2 + NaIO3 + H2O = H2SO4 + Na2(SO4) + I2 =>
5 SO2 + 2 NaIO3 + 4 H2O = 4 H2SO4 + Na2(SO4) + I2
C3H7NO2 + H2O = CH5NO + C2H4O2 =>
C3H7NO2 + H2O = CH5NO + C2H4O2
H2CO3 + Sr(OH)2 = HCO3 + HSr(OH)2 =>
H2CO3 + Sr(OH)2 = HCO3 + HSr(OH)2
KHCO3 = K2CO3 + H2O + CO2 =>
2 KHCO3 = K2CO3 + H2O + CO2
Mg + NaF = MgF2 + Na =>
Mg + 2 NaF = MgF2 + 2 Na
C7H8O + Br2 = C7H5Br3O + HBr =>
C7H8O + 3 Br2 = C7H5Br3O + 3 HBr
C3H7NO2 + H2O = C3H6O3 + NH3 =>
C3H7NO2 + H2O = C3H6O3 + NH3
CoSO4 + NiCl2 = CoCl2 + NiSO4 =>
CoSO4 + NiCl2 = CoCl2 + NiSO4
CH2OHCH2OH + NaOH = C2H5O2Na + H2O =>
CH2OHCH2OH + NaOH = C2H5O2Na + H2O
Cr(s) + CdCl2(aq) = CrCl3(aq) + Cd(s) =>
2 Cr(s) + 3 CdCl2(aq) = 2 CrCl3(aq) + 3 Cd(s)
Cl + KMnO4 = ClO2 + KMnO2 =>
Cl + KMnO4 = ClO2 + KMnO2
CoO3 + C = Co + CO2 =>
2 CoO3 + 3 C = 2 Co + 3 CO2
Sr(OH)2 + C2H4O2 = Sr(C2H3O2)2 + H2O =>
Sr(OH)2 + 2 C2H4O2 = Sr(C2H3O2)2 + 2 H2O
Ca(OH)2 + Cu(CH3COO)2 = Ca(CH3COO)2 + Cu(OH)2 =>
Ca(OH)2 + Cu(CH3COO)2 = Ca(CH3COO)2 + Cu(OH)2
NaHSO3 + HOCl = NaHSO4 + HCl =>
NaHSO3 + HOCl = NaHSO4 + HCl
MnSO4 + NaOH + KNO3 = Na2MnO4 + NaSO4 + KNO2 + H2O =>
2 MnSO4 + 6 NaOH + 5 KNO3 = 2 Na2MnO4 + 2 NaSO4 + 5 KNO2 + 3 H2O
Co = Co3 =>
3 Co = Co3
KBr + BaI2 = KI + BaBr2 =>
2 KBr + BaI2 = 2 KI + BaBr2
Ag + Au(C2H3O2)3 = Ag(C2H3O2) + Au =>
3 Ag + Au(C2H3O2)3 = 3 Ag(C2H3O2) + Au
S8 + O2 = SO3 =>
S8 + 12 O2 = 8 SO3
C8H10O + NaOH = C8H9O + H2O + Na =>
C8H10O + NaOH = C8H9O + H2O + Na
(Cu(NH3)4)(NO3)2 + HCl = Cu(NO3)2 + NH4Cl =>
(Cu(NH3)4)(NO3)2 + 4 HCl = Cu(NO3)2 + 4 NH4Cl
As + ClO{-} + OH{-} = AsO4{-3} + Cl{-} + H2O =>
2 As + 5 ClO{-} + 6 OH{-} = 2 AsO4{-3} + 5 Cl{-} + 3 H2O
CH4 = CHCH + H2 =>
2 CH4 = CHCH + 3 H2
CaCl2 + (NH4)2C2O4 = CaC2O4 + NH4Cl =>
CaCl2 + (NH4)2C2O4 = CaC2O4 + 2 NH4Cl
Mn2O7CaO = Ca(MnO4)2 =>
Mn2O7CaO = Ca(MnO4)2
I2 + (S2O3)2{-} + OH{-} = (SO4)2{-} + I({-}) + H2O =>
19 I2 + 2(S2O3)2{-} + 40 OH{-} = 4(SO4)2{-} + 38 I({-}) + 20 H2O
(NH4)2C2O4 + Al(ClO4)3 = NH4ClO4 + Al2(C2O4)3 =>
3(NH4)2C2O4 + 2 Al(ClO4)3 = 6 NH4ClO4 + Al2(C2O4)3
C7H6O2 + Na2CO3 = C7H5NaO2 + H2O + CO2 =>
2 C7H6O2 + Na2CO3 = 2 C7H5NaO2 + H2O + CO2
Cr(OH)3 + O2 = CrO4 + H2O =>
4 Cr(OH)3 + 5 O2 = 4 CrO4 + 6 H2O
Na2CO3(s) + HCl(aq) = CO2(aq) + H2O(l) + NaCl(aq) =>
Na2CO3(s) + 2 HCl(aq) = CO2(aq) + H2O(l) + 2 NaCl(aq)
Na3PO4 + K = KPO4 + Na =>
Na3PO4 + K = KPO4 + 3 Na
H2SO4 + KOH = K2SO4 + H2O =>
H2SO4 + 2 KOH = K2SO4 + 2 H2O
(CH3)(NH2) + O2 = CO2 + H2O + N2 =>
4(CH3)(NH2) + 9 O2 = 4 CO2 + 10 H2O + 2 N2
V + S = V2S3 =>
2 V + 3 S = V2S3
Al + Na2SO4 = Al2(SO4)3 + Na =>
2 Al + 3 Na2SO4 = Al2(SO4)3 + 6 Na
NiCl2 + SO2 + NaOH = NiOH + NaCl + H2SO4 =>
2 NiCl2 + SO2 + 4 NaOH = 2 NiOH + 4 NaCl + H2SO4
C3H6O3 + NaOH = CHONa + H2O =>
C3H6O3 + 3 NaOH = 3 CHONa + 3 H2O
He1 = He =>
He1 = He
Co(NO3)2 + K4Fe(CN)6 = Co2Fe(CN)6 + KNO3 =>
2 Co(NO3)2 + K4Fe(CN)6 = Co2Fe(CN)6 + 4 KNO3
NaC2H3O2(aq) + H2CO3(aq) = Na2CO3(aq) + HC2H3O2(aq) =>
2 NaC2H3O2(aq) + H2CO3(aq) = Na2CO3(aq) + 2 HC2H3O2(aq)
Sn + KMnO4 + HCl = SnCl + KCl + MnCl2 + H2O =>
5 Sn + KMnO4 + 8 HCl = 5 SnCl + KCl + MnCl2 + 4 H2O
SnO2 + LiOH + H2O = Li2[Sn(OH)6] =>
SnO2 + 2 LiOH + 2 H2O = Li2[Sn(OH)6]
C2O4{-2} + MnO2 + H{+} = CO2 + Mn{+2} + H2O =>
C2O4{-2} + MnO2 + 4 H{+} = 2 CO2 + Mn{+2} + 2 H2O
ZnCl2(aq) + AgNO3(aq) = Zn(NO3)2(aq) + AgCl(s) =>
ZnCl2(aq) + 2 AgNO3(aq) = Zn(NO3)2(aq) + 2 AgCl(s)
Na2O = Na + O =>
Na2O = 2 Na + O
Fe{3+} + HSO4{-} + H2O + K{+} = H3O{+} + KFe3(SO4)2(OH)6 =>
3 Fe{3+} + 2 HSO4{-} + 14 H2O + K{+} = 8 H3O{+} + KFe3(SO4)2(OH)6
K3[Fe(Cn)6] + NH4Fe(SO4)2 = K3[Fe(SO4)2] + NH4[Fe(Cn)6] =>
K3[Fe(Cn)6] + NH4Fe(SO4)2 = K3[Fe(SO4)2] + NH4[Fe(Cn)6]
CaAl2Si2O8 + CO2 + H2O = Al2Si2O5(OH)4 + Ca{2+} + HCO3{-} =>
CaAl2Si2O8 + 2 CO2 + 3 H2O = Al2Si2O5(OH)4 + Ca{2+} + 2 HCO3{-}
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