| Équations équilibrées la veille | Équations équilibrées le lendemain |
BaCl2(aq) + (NH4)2CO3(aq) = BaCO3(s) + 2 NH4Cl(aq)
Ba(HSO3)2 + HCl = BaCl2 + H2O + SO2 =>
Ba(HSO3)2 + 2 HCl = BaCl2 + 2 H2O + 2 SO2
MnO4{-} + NO2 + H2O = Mn{2+} + NO3{-} + H{+} =>
MnO4{-} + 5 NO2 + H2O = Mn{2+} + 5 NO3{-} + 2 H{+}
Ti(CO3)2 + HCl = CO2 + H2O + TiCl4 =>
Ti(CO3)2 + 4 HCl = 2 CO2 + 2 H2O + TiCl4
CH4(g) + Br2(l) = CBr4(s) + HBr(g) =>
CH4(g) + 4 Br2(l) = CBr4(s) + 4 HBr(g)
FeSCN{2+} = Fe{3+} + SCN{-} =>
FeSCN{2+} = Fe{3+} + SCN{-}
BaO2 + HCl = H2O2 + BaCl2 =>
BaO2 + 2 HCl = H2O2 + BaCl2
BaI2(aq) + AgNO3(aq) = Ba(NO3)2(aq) + AgI(aq) =>
BaI2(aq) + 2 AgNO3(aq) = Ba(NO3)2(aq) + 2 AgI(aq)
C6H4(OH)2(aq) + H2O2(aq) = C6H4O2(aq) + H2O(l) =>
C6H4(OH)2(aq) + H2O2(aq) = C6H4O2(aq) + 2 H2O(l)
H2O + SO2 + O2 = H2SO4 =>
2 H2O + 2 SO2 + O2 = 2 H2SO4
AlCl3 + MgCO3 + NaOH = Al2(CO3)3 + Mg(OH)2 + NaCl =>
2 AlCl3 + 3 MgCO3 + 6 NaOH = Al2(CO3)3 + 3 Mg(OH)2 + 6 NaCl
Cr(NO3)3 + K2S2O8 + H2O = H2Cr2O7 + K2SO4 + H2SO4 + HNO3 =>
2 Cr(NO3)3 + 3 K2S2O8 + 7 H2O = H2Cr2O7 + 3 K2SO4 + 3 H2SO4 + 6 HNO3
Cu(CO3)Ca = Ca(CO3)Cu =>
Cu(CO3)Ca = Ca(CO3)Cu
HCH2CHCO2 + NaOH = H2O + NaCH2CHCO2 =>
HCH2CHCO2 + NaOH = H2O + NaCH2CHCO2
PbCl2(aq) + KI(aq) = PbI2(s) + KCl(aq) =>
PbCl2(aq) + 2 KI(aq) = PbI2(s) + 2 KCl(aq)
C10H7NO2 + O2 = CO2 + H2O + NO2 =>
4 C10H7NO2 + 47 O2 = 40 CO2 + 14 H2O + 4 NO2
Cr(ClO4)2 + Na2S = CrS + Na(ClO4) =>
Cr(ClO4)2 + Na2S = CrS + 2 Na(ClO4)
C4H8Cl2S + H2O = C4H10O2S + HCl =>
C4H8Cl2S + 2 H2O = C4H10O2S + 2 HCl
Cr(OH)3 + NaOH = H2O + Na3CrO3 =>
Cr(OH)3 + 3 NaOH = 3 H2O + Na3CrO3
Cu(NO3)2 + NaHO = Cu(OH)2 + NaNO3 =>
Cu(NO3)2 + 2 NaHO = Cu(OH)2 + 2 NaNO3
Cu2 + HNO3 = Cu(NO3)2 + NO + H2O =>
3 Cu2 + 16 HNO3 = 6 Cu(NO3)2 + 4 NO + 8 H2O
Cu{+2} + PO4{3-} = Cu3(PO4)2 =>
3 Cu{+2} + 2 PO4{3-} = Cu3(PO4)2
Li2O + SO2 = LiO2 + SO =>
Li2O + 3 SO2 = 2 LiO2 + 3 SO
Na2O(s) = Na + O2 =>
2 Na2O(s) = 4 Na + O2
Na2SO4 + (NH4)I = NaI + (NH4)2(SO4) =>
Na2SO4 + 2(NH4)I = 2 NaI + (NH4)2(SO4)
Na + MnO2 + H2SO4 = H2O + MnSO4 + Na2SO4 =>
2 Na + MnO2 + 2 H2SO4 = 2 H2O + MnSO4 + Na2SO4
NiCl2 + H2S = NiS + HCl =>
NiCl2 + H2S = NiS + 2 HCl
Mg(OH)2 + C2H4O2 = H2O + Mg(C2H3O2)2 =>
Mg(OH)2 + 2 C2H4O2 = 2 H2O + Mg(C2H3O2)2
Fe3(PO4)2 = Fe + P4 + O2 =>
2 Fe3(PO4)2 = 6 Fe + P4 + 8 O2
C3H8O2 + K2Cr2O7 + H2SO4 = C3H6O2 + K2SO4 + Cr2(SO4)3 + H2O =>
3 C3H8O2 + K2Cr2O7 + 4 H2SO4 = 3 C3H6O2 + K2SO4 + Cr2(SO4)3 + 7 H2O
Na2S(aq) + Cu(CH3COO)2(aq) = NaCH3COO(aq) + CuS(s) =>
Na2S(aq) + Cu(CH3COO)2(aq) = 2 NaCH3COO(aq) + CuS(s)
Na + H2O(l) = NaOH + H2 =>
2 Na + 2 H2O(l) = 2 NaOH + H2
C6H5COOH + Mg = C6H5COOMg + H2 =>
2 C6H5COOH + 2 Mg = 2 C6H5COOMg + H2
HS2 + HNO3 = H2SO4 + NO + H2O =>
3 HS2 + 13 HNO3 = 6 H2SO4 + 13 NO + 2 H2O
NaOH + H3PO4 = Na3PO4 + H2O =>
3 NaOH + H3PO4 = Na3PO4 + 3 H2O
K + Na{+} = K{+} + Na =>
K + Na{+} = K{+} + Na
K2Cr2O7 + Pb(CH3COO)2 = Pb(Cr2O7) + CH3COOK =>
K2Cr2O7 + Pb(CH3COO)2 = Pb(Cr2O7) + 2 CH3COOK
C2H4 = C4H8 =>
2 C2H4 = C4H8
Na2HPO4 + Na2CO3 = Na3PO4 + H2O + CO2 =>
2 Na2HPO4 + Na2CO3 = 2 Na3PO4 + H2O + CO2
NH3 + CuCl = Cu(NH3)4Cl =>
4 NH3 + CuCl = Cu(NH3)4Cl
Sr(NO3)2 + K2S = SrS + KNO3 =>
Sr(NO3)2 + K2S = SrS + 2 KNO3
ClO2 + O3 = Cl2O7 =>
2 ClO2 + O3 = Cl2O7
CuClH2O = CuCl + H2O =>
CuClH2O = CuCl + H2O
Ca(OH)2(aq) + H2CO3(aq) = CaCO3 + H2O =>
Ca(OH)2(aq) + H2CO3(aq) = CaCO3 + 2 H2O
Cu3N = Cu + N =>
Cu3N = 3 Cu + N
SF6 + H2 = SF4 + HF =>
SF6 + H2 = SF4 + 2 HF
NiCO3 + H2SO4 = NiSO4 + CO2 + H2O =>
NiCO3 + H2SO4 = NiSO4 + CO2 + H2O
Fe + Pb{2+} = Fe{2+} + Pb =>
Fe + Pb{2+} = Fe{2+} + Pb
CuSO4*H2O + Fe = FeSO4 + Cu + H2O =>
CuSO4*H2O + Fe = FeSO4 + Cu + H2O
FeSO4 + I2 = FeI3 + SO4 =>
2 FeSO4 + 3 I2 = 2 FeI3 + 2 SO4
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Équations équilibrées sur10/26/24
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