| Équations équilibrées la veille |
2 HCOOH + Fe = Fe(HCOO)2 + H2
Cr2O72{-} + Br{-} + H{+} = Cr3{+} + Br2 + H2O =>
6 Cr2O72{-} + 854 Br{-} + 864 H{+} = 4 Cr3{+} + 427 Br2 + 432 H2O
HNO3 + H2 = NH2OH + H2O =>
HNO3 + 3 H2 = NH2OH + 2 H2O
Sn{2+} + IO3{-} + H{+} = Sn{4+} + I2 + H2O =>
5 Sn{2+} + 2 IO3{-} + 12 H{+} = 5 Sn{4+} + I2 + 6 H2O
C4H4(g) + O2(g) = CO2(g) + H2O(l) =>
C4H4(g) + 5 O2(g) = 4 CO2(g) + 2 H2O(l)
CoSO4 + Pb(NO3)2 = PbSO4 + Co(NO3)2 =>
CoSO4 + Pb(NO3)2 = PbSO4 + Co(NO3)2
CH3COONH4 + HCl = CH3COONH3Cl + H2 =>
CH3COONH4 + HCl = CH3COONH3Cl + H2
(NH4)2CrO4 + Fe(NO3)2 = NH4NO3 + FeCrO4 =>
(NH4)2CrO4 + Fe(NO3)2 = 2 NH4NO3 + FeCrO4
Cl2 + NaBr = NaCl + Br2 =>
Cl2 + 2 NaBr = 2 NaCl + Br2
CH3COOH + HNO3 = CH3COO + H2O + NO =>
3 CH3COOH + HNO3 = 3 CH3COO + 2 H2O + NO
Cu + HNO3 = Cu(NO3)2 + NO2 + H2O =>
Cu + 4 HNO3 = Cu(NO3)2 + 2 NO2 + 2 H2O
BaCl2 + NaIO3 = BaIO3 + NaCl2 =>
BaCl2 + NaIO3 = BaIO3 + NaCl2
Zn + Pb = ZnPb =>
Zn + Pb = ZnPb
Mg + FeCl2 = MgCl2 + Fe =>
Mg + FeCl2 = MgCl2 + Fe
BaCl2 + K2SO4*Al2(SO4)3*24H2O = BaSO4 + AlCl3 + H2O + KCl =>
4 BaCl2 + K2SO4*Al2(SO4)3*24H2O = 4 BaSO4 + 2 AlCl3 + 24 H2O + 2 KCl
CH3OH + CO2 = CH3COOH + O2 =>
2 CH3OH + 2 CO2 = 2 CH3COOH + O2
Mg + O2 = MgO =>
2 Mg + O2 = 2 MgO
K2Cr2O7 + H2SO4 + KC8H5O4 = K2SO4 + Cr2(SO4)3 + H2O + CO2 =>
10 K2Cr2O7 + 41 H2SO4 + 2 KC8H5O4 = 11 K2SO4 + 10 Cr2(SO4)3 + 46 H2O + 16 CO2
HClO4(l) + P2O5(s) = Cl2O7(l) + HPO3(s) =>
2 HClO4(l) + P2O5(s) = Cl2O7(l) + 2 HPO3(s)
CH3Br + Li = LiCH3 + Br =>
CH3Br + Li = LiCH3 + Br
Ba(NO3)2 + Na2CO3 = BaCO3 + NaNO3 =>
Ba(NO3)2 + Na2CO3 = BaCO3 + 2 NaNO3
H2SO4 + HBr = SO2 + Br + H2O =>
H2SO4 + 2 HBr = SO2 + 2 Br + 2 H2O
Pb(NO3)2 + Na2CO3 + NH3 + H2O = Pb2(OH)2CO3 + NaNO3 + NH4NO3 =>
2 Pb(NO3)2 + Na2CO3 + 2 NH3 + 2 H2O = Pb2(OH)2CO3 + 2 NaNO3 + 2 NH4NO3
Zn + HCl2 = ZnHCl2 =>
Zn + HCl2 = ZnHCl2
FeC2O4*2H20 + O2 = Fe2O3 + H2O + CO2 =>
4 FeC2O4*2H20 + 43 O2 = 2 Fe2O3 + 80 H2O + 8 CO2
AgC2H3O2 + K2CO3 = KC2H3O2 + Ag2CO3 =>
2 AgC2H3O2 + K2CO3 = 2 KC2H3O2 + Ag2CO3
Na2C2O4 + Pb(NO3)2 = PbC2O4 + NaNO3 =>
Na2C2O4 + Pb(NO3)2 = PbC2O4 + 2 NaNO3
CO2O3 = CO + O2 =>
CO2O3 = CO + 2 O2
Pb(C2H3O2)2 + Na2CO3 = Na2(C2H3O2)2 + PbCO3 =>
Pb(C2H3O2)2 + Na2CO3 = Na2(C2H3O2)2 + PbCO3
FeSO4 + KI + KIO3 + H2O = Fe(OH)2 + K2(SO4) + I2 =>
3 FeSO4 + 5 KI + KIO3 + 3 H2O = 3 Fe(OH)2 + 3 K2(SO4) + 3 I2
KMnO4 + H3PO4 + C2H6 = CO + Mn3(PO4)2 + K3PO4 + H2O =>
6 KMnO4 + 6 H3PO4 + 3 C2H6 = 6 CO + 2 Mn3(PO4)2 + 2 K3PO4 + 18 H2O
NH3 + O2 = N2 + H2O =>
4 NH3 + 3 O2 = 2 N2 + 6 H2O
Ba(NO3)2 + Fe2S3 = BaS + Fe(NO3)3 =>
3 Ba(NO3)2 + Fe2S3 = 3 BaS + 2 Fe(NO3)3
Cu + HClO4 = Cu(ClO4)2 + Cl2 + H2O =>
7 Cu + 16 HClO4 = 7 Cu(ClO4)2 + Cl2 + 8 H2O
Nh4 + OH = Nh4OH =>
Nh4 + OH = Nh4OH
Pb(aq) + S2(aq) = PbS(s) =>
2 Pb(aq) + S2(aq) = 2 PbS(s)
C6H7O2K = C + H2 + O2 + K =>
2 C6H7O2K = 12 C + 7 H2 + 2 O2 + 2 K
P{3-} + H2O = PH3 + OH{-} =>
P{3-} + 3 H2O = PH3 + 3 OH{-}
Mg(s) + O(g) = Mg2O3(s) =>
2 Mg(s) + 3 O(g) = Mg2O3(s)
BaOH + H2O = BaO2 + H2 =>
2 BaOH + 2 H2O = 2 BaO2 + 3 H2
MgCl2*6H2O = Mg(OH)2 + HCl + H2O =>
MgCl2*6H2O = Mg(OH)2 + 2 HCl + 4 H2O
H4C3O2 + NaOH = H2O + NaC3H3O2 =>
H4C3O2 + NaOH = H2O + NaC3H3O2
Pb(NO3)2 + CuBr2 = PbBr2 + Cu(NO3)2 =>
Pb(NO3)2 + CuBr2 = PbBr2 + Cu(NO3)2
Mg(NO3)2 + CaO = Ca(NO3)2 + MgO =>
Mg(NO3)2 + CaO = Ca(NO3)2 + MgO
NH4OH + HCO3({-}) = (NH4)2CO3 + CO3({-2}) + H2O =>
2 NH4OH + 2 HCO3({-}) = (NH4)2CO3 + CO3({-2}) + 2 H2O
KNO2 + CrO3 + H2SO4 = Cr2(SO4)3 + KNO3 + H2O =>
3 KNO2 + 2 CrO3 + 3 H2SO4 = Cr2(SO4)3 + 3 KNO3 + 3 H2O
Na2PO4 + AgNo3 = Ag2PO4 + NaNo3 =>
Na2PO4 + 2 AgNo3 = Ag2PO4 + 2 NaNo3
Ag2O + NH3 + H2O = Ag(NH3)3{+} + OH{-} =>
Ag2O + 6 NH3 + H2O = 2 Ag(NH3)3{+} + 2 OH{-}
ZnCO3 + C6H8O7 = Zn3(C6H5O7) + H2O + CO2 =>
18 ZnCO3 + 7 C6H8O7 = 6 Zn3(C6H5O7) + 13 H2O + 24 CO2
CH4 + O2 = CO2 + H2H =>
3 CH4 + 3 O2 = 3 CO2 + 4 H2H
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