| Équations équilibrées la veille |
2 H2O2 = 2 H2O + O2
FeO + N2 = Fe + NO2 =>
4 FeO + N2 = 4 Fe + 2 NO2
AgNO3 + NH4SCn = AgSCn + NH4NO3 =>
AgNO3 + NH4SCn = AgSCn + NH4NO3
C3H8O7 + NaHCO3 = Na3C6H5O7 + H2O + CO2 =>
3 C3H8O7 + 3 NaHCO3 = Na3C6H5O7 + 11 H2O + 6 CO2
Zn + Au(NO2) = Zn(NO2)2 + Au =>
Zn + 2 Au(NO2) = Zn(NO2)2 + 2 Au
KNO3 + NH4HCO3 = KHCO3 + NH4NO3 =>
KNO3 + NH4HCO3 = KHCO3 + NH4NO3
Ni(NO3)2 + H2O = NiOHNO3 + HNO3 =>
Ni(NO3)2 + H2O = NiOHNO3 + HNO3
RbOH + H2S = RbHS + H2O =>
RbOH + H2S = RbHS + H2O
C7H8O + CH3COOH = C9H10O2 + H2O =>
C7H8O + CH3COOH = C9H10O2 + H2O
Mg + CH3COOH = Mg(CH3COO)2 + H2 =>
Mg + 2 CH3COOH = Mg(CH3COO)2 + H2
Cu2S + HNO3 = Cu(NO3)2 + CuSO4 + NO2 + H2O =>
Cu2S + 12 HNO3 = Cu(NO3)2 + CuSO4 + 10 NO2 + 6 H2O
SO2 + CaCl2 = SCl2 + CaO2 =>
SO2 + CaCl2 = SCl2 + CaO2
Fe + H2O = Fe2O3 + H2 =>
2 Fe + 3 H2O = Fe2O3 + 3 H2
Ca(OH)2 + HNO3 = Ca(NO3)2 + H2O =>
Ca(OH)2 + 2 HNO3 = Ca(NO3)2 + 2 H2O
SiO2 + C2H5OH = Si(OC2H5)4 + H2O =>
SiO2 + 4 C2H5OH = Si(OC2H5)4 + 2 H2O
Pb(C2H3O2)2 + Na2CO3 = PbCO3 + Na(C2H3O2) =>
Pb(C2H3O2)2 + Na2CO3 = PbCO3 + 2 Na(C2H3O2)
FeSO4 + KMnO4 + KOH = Fe(OH)3 + K2SO4 + K2MnO4 =>
FeSO4 + KMnO4 + 3 KOH = Fe(OH)3 + K2SO4 + K2MnO4
NO(g) + H(g) = N(g) + H2O(g) =>
NO(g) + 2 H(g) = N(g) + H2O(g)
CoI3 = Co + I =>
CoI3 = Co + 3 I
Na(CO3) = NaO + CO2 =>
Na(CO3) = NaO + CO2
CH4 + S12 = CS2 + H2S =>
3 CH4 + S12 = 3 CS2 + 6 H2S
HO2{-} + CrO2{-} = CrO4{2-} + H2O + OH{-} =>
3 HO2{-} + 2 CrO2{-} = 2 CrO4{2-} + H2O + OH{-}
Zn + Ni(NO3)2 = Zn(NO3)2 + Ni =>
Zn + Ni(NO3)2 = Zn(NO3)2 + Ni
FeSO4 + NH3 = FeH3 + NSO4 =>
FeSO4 + NH3 = FeH3 + NSO4
CuI + Na2S2O3 = Na3(Cu(S2O3)2) + NaI =>
CuI + 2 Na2S2O3 = Na3(Cu(S2O3)2) + NaI
FeCl3 + NaOH = Fe(OH)3 + NaCl =>
FeCl3 + 3 NaOH = Fe(OH)3 + 3 NaCl
Na2SO3 + CH3CO2H = NaCH3CO2 + SO2 + H2O =>
Na2SO3 + 2 CH3CO2H = 2 NaCH3CO2 + SO2 + H2O
CH3CH2OH + I2 + NaOH = CHI3 + HCOONa + HI =>
CH3CH2OH + 4 I2 + NaOH = CHI3 + HCOONa + 5 HI
SiO2 + Mg(OH)2 = MgSiO3 + H2O =>
SiO2 + Mg(OH)2 = MgSiO3 + H2O
NaOH(aq) + K2SO4(aq) = Na2SO4(aq) + KOH(aq) =>
2 NaOH(aq) + K2SO4(aq) = Na2SO4(aq) + 2 KOH(aq)
CoSO4 + H2O = (CoOH)2SO4 + H2SO4 =>
2 CoSO4 + 2 H2O = (CoOH)2SO4 + H2SO4
Ba + (OH)2 = Ba(OH)2 =>
Ba + (OH)2 = Ba(OH)2
CaCl2 + NaCH3COO = Ca(CH3COO)2 + NaCl =>
CaCl2 + 2 NaCH3COO = Ca(CH3COO)2 + 2 NaCl
Na + MgC12 = NaC1 + Mg =>
12 Na + MgC12 = 12 NaC1 + Mg
K4Fe(CN)6 + FeSO4 = Fe4(Fe(CN)6)3 + K2SO4 + Fe =>
3 K4Fe(CN)6 + 6 FeSO4 = Fe4(Fe(CN)6)3 + 6 K2SO4 + 2 Fe
Rb2CO3 + HCl = RbCl + H2O + CO2 =>
Rb2CO3 + 2 HCl = 2 RbCl + H2O + CO2
PbO2 + H2SO4 = PbSO4 + H2O + O2 =>
2 PbO2 + 2 H2SO4 = 2 PbSO4 + 2 H2O + O2
TiCl3 + H2O = TiO2 + HCl + H2 =>
2 TiCl3 + 4 H2O = 2 TiO2 + 6 HCl + H2
Pb + CaSO4 = Ca + Pb(SO4)2 =>
Pb + 2 CaSO4 = 2 Ca + Pb(SO4)2
C2 + H2O = CO + H2 =>
C2 + 2 H2O = 2 CO + 2 H2
MgO + HF = MgF2 + H2O =>
MgO + 2 HF = MgF2 + H2O
NaNO2 + PbO2 + HCl = NaNO3 + PbCl2 + H2O =>
NaNO2 + PbO2 + 2 HCl = NaNO3 + PbCl2 + H2O
Zn + Au(NO3)3 = Zn(NO3)3 + Au =>
Zn + Au(NO3)3 = Zn(NO3)3 + Au
Cu(s) + AgNO3(l) = CuNO3 + Ag =>
Cu(s) + AgNO3(l) = CuNO3 + Ag
C2H6 + KOH = C2H5OH + KH =>
C2H6 + KOH = C2H5OH + KH
Al(s) + NaOH(s) + H2O(l) = NaAl(OH)4(aq) + H2(g) =>
2 Al(s) + 2 NaOH(s) + 6 H2O(l) = 2 NaAl(OH)4(aq) + 3 H2(g)
MgCl2(aq) + Al(NO3)3(aq) = Mg(NO3)2(aq) + AlCl3(aq) =>
3 MgCl2(aq) + 2 Al(NO3)3(aq) = 3 Mg(NO3)2(aq) + 2 AlCl3(aq)
I2 + LiBr = LiI + Br2 =>
I2 + 2 LiBr = 2 LiI + Br2
NaHCO3 = Na2CO3 + CO2 + H2O =>
2 NaHCO3 = Na2CO3 + CO2 + H2O
C2H5NH2 + H2O = C2H5NH3{+} + OH{-} =>
C2H5NH2 + H2O = C2H5NH3{+} + OH{-}
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Équations équilibrées sur10/23/24
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