| Équations équilibrées la veille |
Pb(NO3)2 + 2 KI = PbI2 + 2 K(NO3)
H2Cr2O7 + FeCl2 + HCl = CrCl3 + FeCl3 + H2O =>
H2Cr2O7 + 6 FeCl2 + 12 HCl = 2 CrCl3 + 6 FeCl3 + 7 H2O
AgCl2 + O2 = AgCl2O2 =>
AgCl2 + O2 = AgCl2O2
NaCl + KNO3 = NaNO3 + KCl =>
NaCl + KNO3 = NaNO3 + KCl
(NH4)2CO3 + CH3COOH = CH3COONH4 + CO2 + H2O =>
(NH4)2CO3 + 2 CH3COOH = 2 CH3COONH4 + CO2 + H2O
PO2 = PO + O2 =>
2 PO2 = 2 PO + O2
Au2Cl6 = Au + Cl2 =>
Au2Cl6 = 2 Au + 3 Cl2
C3H8 + O2 = CO2 + H2O =>
C3H8 + 5 O2 = 3 CO2 + 4 H2O
H2CO3 + KOH = K2CO3 + H2O =>
H2CO3 + 2 KOH = K2CO3 + 2 H2O
N2O3 + K(OH)2 = K(NO2)2 + H2O =>
N2O3 + K(OH)2 = K(NO2)2 + H2O
CH3CH2CH2CH2OH + MnO4{-} + H{+} = CH3CH2CH2COOH + Mn{2+} + H2O =>
5 CH3CH2CH2CH2OH + 4 MnO4{-} + 12 H{+} = 5 CH3CH2CH2COOH + 4 Mn{2+} + 11 H2O
HSO3{-} + I2 + H2O = HSO4{-} + HI =>
HSO3{-} + I2 + H2O = HSO4{-} + 2 HI
KClO3 + K4[Fe(CN)6] = KCl + K2CO3 + CO2 + Fe2O3 + N2 =>
31 KClO3 + 6 K4[Fe(CN)6] = 31 KCl + 12 K2CO3 + 24 CO2 + 3 Fe2O3 + 18 N2
Mn3O4 + CO = MnO + CO2 =>
Mn3O4 + CO = 3 MnO + CO2
Nb + HNO3 + H2F2 = HNbF6 + NO + H2O =>
3 Nb + 5 HNO3 + 9 H2F2 = 3 HNbF6 + 5 NO + 10 H2O
CuSO4 + Na2CO3 = CuCO3 + Na2SO4 =>
CuSO4 + Na2CO3 = CuCO3 + Na2SO4
NaIO3 + SO2 + H2O = H2SO4 + NaHS + I2 =>
2 NaIO3 + 13 SO2 + 12 H2O = 11 H2SO4 + 2 NaHS + I2
Na + O2 + H2 = NaH2O2 =>
Na + O2 + H2 = NaH2O2
Mo + CuO = MoO3 + Cu2O =>
Mo + 6 CuO = MoO3 + 3 Cu2O
NH2COOH = NH3COO =>
NH2COOH = NH3COO
Al2(SO3)3 + NaOH = Na2SO3 + Al(OH)3 =>
Al2(SO3)3 + 6 NaOH = 3 Na2SO3 + 2 Al(OH)3
NH4PO4 + SrOH2 = NH4OH2 + SrPO4 =>
NH4PO4 + SrOH2 = NH4OH2 + SrPO4
Fe + Hg(NO3)2 = Fe(NO3)3 + Hg =>
2 Fe + 3 Hg(NO3)2 = 2 Fe(NO3)3 + 3 Hg
MnO4 + C2O4 = MnO2 + CO3 =>
MnO4 + C2O4 = MnO2 + 2 CO3
S2Fe + O2 = SO2 + Fe2O3 =>
4 S2Fe + 11 O2 = 8 SO2 + 2 Fe2O3
FeCl3 + CS2 = CCl4 + Fe2S3 =>
4 FeCl3 + 3 CS2 = 3 CCl4 + 2 Fe2S3
Ca(C2H3O2)2 + Al2(CO3)3 = CaCO3 + Al(C2H3O2)3 =>
3 Ca(C2H3O2)2 + Al2(CO3)3 = 3 CaCO3 + 2 Al(C2H3O2)3
PbO2 = Pb + O2 =>
PbO2 = Pb + O2
Fe + NaOH + H2O = Na[Fe(OH)3] + H2 =>
Fe + NaOH + 2 H2O = Na[Fe(OH)3] + H2
CuCl2 + KI = CuI + KCl + I2 =>
2 CuCl2 + 4 KI = 2 CuI + 4 KCl + I2
Al + Fe2O3 = Al2O3 + Fe =>
2 Al + Fe2O3 = Al2O3 + 2 Fe
Bi(NO3)3 + H2O2 + NaOH = Na2BiO4 + NaNO3 + H2O =>
2 Bi(NO3)3 + 3 H2O2 + 10 NaOH = 2 Na2BiO4 + 6 NaNO3 + 8 H2O
NH3 = N2 + H2 =>
2 NH3 = N2 + 3 H2
Mg + H2O = MgO + H2 =>
Mg + H2O = MgO + H2
FeCO3(s) + H2CO3 = Fe(HCO3)2(aq) =>
FeCO3(s) + H2CO3 = Fe(HCO3)2(aq)
Pb(SO4)2 + LiNO3 = Pb(NO3)4 + Li2SO4 =>
Pb(SO4)2 + 4 LiNO3 = Pb(NO3)4 + 2 Li2SO4
ZnCO3 + HNO3 = ZnNO3 + HCO3 =>
ZnCO3 + HNO3 = ZnNO3 + HCO3
Ca(OH)2 + Se + H2 = CaSe + H2O =>
Ca(OH)2 + Se + H2 = CaSe + 2 H2O
Ca(OH)2 + HBr = CaBr2 + H2O =>
Ca(OH)2 + 2 HBr = CaBr2 + 2 H2O
Ca3(PO4)2 + H2SO4 = CaSO4 + Ca(H2PO4)2 =>
Ca3(PO4)2 + 2 H2SO4 = 2 CaSO4 + Ca(H2PO4)2
H2 + Cl2 = HCl =>
H2 + Cl2 = 2 HCl
C3H8 + O2 = CO2 + H2O =>
C3H8 + 5 O2 = 3 CO2 + 4 H2O
(NH4)3PO4(aq) + NaOH(aq) = Na3PO4(aq) + NH3(aq) + H2O(l) =>
(NH4)3PO4(aq) + 3 NaOH(aq) = Na3PO4(aq) + 3 NH3(aq) + 3 H2O(l)
Fe + Cl2 = FeCl3 =>
2 Fe + 3 Cl2 = 2 FeCl3
K(s) + H2O(aq) = KOH + H2 =>
2 K(s) + 2 H2O(aq) = 2 KOH + H2
AlBr3 + K2SO4 = KBr + Al2(SO4)3 =>
2 AlBr3 + 3 K2SO4 = 6 KBr + Al2(SO4)3
ZnCO3 + C6H8O7 = Zn3(C6H5O7)2 + H2O + CO2 =>
3 ZnCO3 + 2 C6H8O7 = Zn3(C6H5O7)2 + 3 H2O + 3 CO2
BaS + K2SO3 = BaSO3 + K2S =>
BaS + K2SO3 = BaSO3 + K2S
CO2 + H2O = C2H2 + O2 =>
4 CO2 + 2 H2O = 2 C2H2 + 5 O2
Fe2 + Ag(NO3) = Fe(NO3)2 + Ag =>
Fe2 + 4 Ag(NO3) = 2 Fe(NO3)2 + 4 Ag
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Équations équilibrées sur12/23/24
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