| Équations équilibrées la veille |
Zn + Au(NO2)2 = Zn(NO2)2 + Au
NH4HS = NH3 + H2S =>
NH4HS = NH3 + H2S
Mn2O7 + NO = MnO2 + NO2 =>
Mn2O7 + 3 NO = 2 MnO2 + 3 NO2
NiSO4 + NH4OH = (NH4)2SO4 + Ni(OH)2 =>
NiSO4 + 2 NH4OH = (NH4)2SO4 + Ni(OH)2
Na3[Al(OH)6] = Na3AlO3 + H2O =>
Na3[Al(OH)6] = Na3AlO3 + 3 H2O
Ag2SO4 + NaBH4 = Ag + Na2SO4 + B2H6 + H2 =>
Ag2SO4 + 2 NaBH4 = 2 Ag + Na2SO4 + B2H6 + H2
CaCO3 + H2S + H2 = CaS + H2O + CO =>
CaCO3 + H2S + H2 = CaS + 2 H2O + CO
MnCl4(s) + H2O(g) = MnO2(s) + HCl(g) =>
MnCl4(s) + 2 H2O(g) = MnO2(s) + 4 HCl(g)
Pb(SO4)2 = SO2 + O2 + PbO2 =>
Pb(SO4)2 = 2 SO2 + O2 + PbO2
Sn + P4 = Sn3P4 =>
3 Sn + P4 = Sn3P4
BaCl2 + KHSO4 = BaSO4 + K2SO4 + HCl =>
BaCl2 + 2 KHSO4 = BaSO4 + K2SO4 + 2 HCl
NH4HS = NH3 + H2S =>
NH4HS = NH3 + H2S
Fe + H2O = Fe3O4 + H2 =>
3 Fe + 4 H2O = Fe3O4 + 4 H2
NH4HS = NH3 + H2S =>
NH4HS = NH3 + H2S
Pb3N4 + O2 = PbO2 + NO2 =>
Pb3N4 + 7 O2 = 3 PbO2 + 4 NO2
CoOH + Na(NO3)2 + HNO3 = CoNO3 + NaOH + H(NO3)2 =>
CoOH + Na(NO3)2 + HNO3 = CoNO3 + NaOH + H(NO3)2
C7H8O(l) + MnO4{-}(aq) = C7H5O2{-}(aq) + MnO2(s) + HO{-}(aq) + H2O(l) =>
3 C7H8O(l) + 4 MnO4{-}(aq) = 3 C7H5O2{-}(aq) + 4 MnO2(s) + HO{-}(aq) + 4 H2O(l)
PbBr2 + H2O = Pb(OH)2 + HBr =>
PbBr2 + 2 H2O = Pb(OH)2 + 2 HBr
NH4HS = NH3 + H2S =>
NH4HS = NH3 + H2S
Re + HNO3 = Re(NO3)6 + NO2 + H2O =>
Re + 12 HNO3 = Re(NO3)6 + 6 NO2 + 6 H2O
Mg + HCl = Mg2Cl3 + H =>
2 Mg + 3 HCl = Mg2Cl3 + 3 H
NH4HS = NH3 + H2S =>
NH4HS = NH3 + H2S
PbCO3(s) + HNO3(aq) = Pb(NO3)2(aq) + H2O(g) + CO2(g) =>
PbCO3(s) + 2 HNO3(aq) = Pb(NO3)2(aq) + H2O(g) + CO2(g)
FeBr2 + Br2 = Fe3Br8 =>
3 FeBr2 + Br2 = Fe3Br8
PbCO3 + H2S = PbS + H2CO3 =>
PbCO3 + H2S = PbS + H2CO3
PbCl2 + Al(OH)3 = Pb(OH)2 + AlCl3 =>
3 PbCl2 + 2 Al(OH)3 = 3 Pb(OH)2 + 2 AlCl3
K2Cr2O7 + KBr + H2SO4 = Br2 + CrSO4 + K2SO4 + H2O =>
K2Cr2O7 + 8 KBr + 7 H2SO4 = 4 Br2 + 2 CrSO4 + 5 K2SO4 + 7 H2O
CuFeS2(s) + O2(g) = CuO(s) + Fe2O3(s) + SO2(g) =>
4 CuFeS2(s) + 13 O2(g) = 4 CuO(s) + 2 Fe2O3(s) + 8 SO2(g)
Fe2S3 + Li2SO4 = Fe3O4 + SO3 + Li2S =>
12 Fe2S3 + 35 Li2SO4 = 8 Fe3O4 + 36 SO3 + 35 Li2S
CH3CH2CH2OH + K2CrO7 + H2SO4 = CH3CH2CH2O + Cr2(SO4)3 + K2SO4 + H2O =>
18 CH3CH2CH2OH + 2 K2CrO7 + 5 H2SO4 = 18 CH3CH2CH2O + Cr2(SO4)3 + 2 K2SO4 + 14 H2O
HCI + Na2SO3 = H2SO3 + NaCI =>
2 HCI + Na2SO3 = H2SO3 + 2 NaCI
C35(SiO2)25 + CaO2 + H2SO4 = CaSO4 + CO2 + SiO2 + H2O =>
C35(SiO2)25 + 70 CaO2 + 70 H2SO4 = 70 CaSO4 + 35 CO2 + 25 SiO2 + 70 H2O
Zn + HF = ZnF2 + H2 =>
Zn + 2 HF = ZnF2 + H2
As2S3 + O3 = As2O3 + S =>
As2S3 + O3 = As2O3 + 3 S
KCl + Mg(CH3CO2)2 = KCH3CO2 + MgCl2 =>
2 KCl + Mg(CH3CO2)2 = 2 KCH3CO2 + MgCl2
Na(s) + O2(s) = Na2O =>
4 Na(s) + O2(s) = 2 Na2O
FeBr2 + Br2 = Fe3Br8 =>
3 FeBr2 + Br2 = Fe3Br8
HNO3 + HCl = NCl + H2O3 =>
HNO3 + HCl = NCl + H2O3
PbO + LiOH = Li2PbO2 + H2O =>
PbO + 2 LiOH = Li2PbO2 + H2O
FeBr3 + S = FeS3 + Br2 =>
2 FeBr3 + 6 S = 2 FeS3 + 3 Br2
FeBr2 + Br2 = Fe3Br8 =>
3 FeBr2 + Br2 = Fe3Br8
PbO2 + H2SO4 = H2O + PbSO4 + SO4 =>
PbO2 + 2 H2SO4 = 2 H2O + PbSO4 + SO4
FeBr2 + Br2 = Fe3Br8 =>
3 FeBr2 + Br2 = Fe3Br8
Fe + H2O = Fe2O3 + H2 =>
2 Fe + 3 H2O = Fe2O3 + 3 H2
Hg2(NO3)2(aq) + HBr(aq) = Hg2Br2(s) + HNO3(aq) =>
Hg2(NO3)2(aq) + 2 HBr(aq) = Hg2Br2(s) + 2 HNO3(aq)
CO2 + BaCl2 = BaCO3 + CO + Cl2 =>
2 CO2 + BaCl2 = BaCO3 + CO + Cl2
PbSO4(s) = PbSO3(s) + O2(g) =>
2 PbSO4(s) = 2 PbSO3(s) + O2(g)
PbS + H2O2 = PbSO4 + H2O =>
PbS + 4 H2O2 = PbSO4 + 4 H2O
C3H6O + O2 = CO + H2O =>
2 C3H6O + 5 O2 = 6 CO + 6 H2O
PbSO4 + CH3COONH4 = (CH3COO)2Pb + (NH4)2SO4 =>
PbSO4 + 2 CH3COONH4 = (CH3COO)2Pb + (NH4)2SO4
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Équations équilibrées sur01/29/25
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