| Équations équilibrées la veille | Équations équilibrées le lendemain |
NaClO + 2 NH3 = N2H4 + NaCl + H2O
FeCl2 + KMnO4 + H2SO4 = FeSO4 + K2SO4 + MnSO4 + Cl2 + H2O =>
5 FeCl2 + 2 KMnO4 + 8 H2SO4 = 5 FeSO4 + K2SO4 + 2 MnSO4 + 5 Cl2 + 8 H2O
MnO4{-}1 + H{+} + Br{-}1 = Mn{+} + Br2 + H2O =>
MnO4{-}1 + 8 H{+} + 6 Br{-}1 = Mn{+} + 3 Br2 + 4 H2O
OF2(s) = O2(g) + F2(g) =>
2 OF2(s) = O2(g) + 2 F2(g)
CuO + H2 = H2O + Cu =>
CuO + H2 = H2O + Cu
NaClO{2} + Cl = NaCl + ClO{2} =>
NaClO{2} + Cl = NaCl + ClO{2}
K2SO4 + HNO3 = H2SO4 + KNO3 =>
K2SO4 + 2 HNO3 = H2SO4 + 2 KNO3
Fe + H2SO4 = FeSO4 + H2 =>
Fe + H2SO4 = FeSO4 + H2
Al2Cl3 + CaCO3 + H2O = Al(OH)3 + CaCl + CO2 =>
Al2Cl3 + 3 CaCO3 + 3 H2O = 2 Al(OH)3 + 3 CaCl + 3 CO2
C12H26 + O2F2 = CO2 + HF + H2O =>
3 C12H26 + 37 O2F2 = 36 CO2 + 74 HF + 2 H2O
FeO(s) + C(s) = Fe(l) + CO2(g) =>
2 FeO(s) + C(s) = 2 Fe(l) + CO2(g)
CH3CH2OH + CUO = CH3COOH + H2 + CU =>
CH3CH2OH + CUO = CH3COOH + H2 + CU
HBr + NaBrO3 = Br2 + NaBr + H2O =>
6 HBr + NaBrO3 = 3 Br2 + NaBr + 3 H2O
CH3CH3CH3CHO + NaHSO3 = CH3CH3CH3COOH + NaHSO2 =>
CH3CH3CH3CHO + NaHSO3 = CH3CH3CH3COOH + NaHSO2
Fe(Cr02)2 + K2CO3 + O2 = Fe2O3 + K2CrO4 + CO2 =>
4 Fe(Cr02)2 + 16 K2CO3 + 27 O2 = 2 Fe2O3 + 16 K2CrO4 + 16 CO2
CrI3 + OH{-} = CrO4{-2} + IO4{-} + H2O + {-} =>
CrI3 + 32 OH{-} = CrO4{-2} + 3 IO4{-} + 16 H2O + 27e
K2O + CuO = Cu2K + O2 =>
2 K2O + 8 CuO = 4 Cu2K + 5 O2
F(g) + H2O(g) = HF(g) + O =>
2 F(g) + H2O(g) = 2 HF(g) + O
Ai4C3 + HCl = AiCl3 + CH4 =>
Ai4C3 + 12 HCl = 4 AiCl3 + 3 CH4
MgCO3 + SiO2 = Mg2SiO4 + CO2 =>
2 MgCO3 + SiO2 = Mg2SiO4 + 2 CO2
K2CO3(s) = CO2(g) + K2O(aq) =>
K2CO3(s) = CO2(g) + K2O(aq)
Li2CO3(aq) + NaCl(aq) = Na2CO3 + LiCl =>
Li2CO3(aq) + 2 NaCl(aq) = Na2CO3 + 2 LiCl
CrO{2-} + OH{-} = CrO4{2-} + H2O + {-}2{3e-} =>
CrO{2-} + 6 OH{-} = CrO4{2-} + 3 H2O + 6{-}2{3e-}
CuC2H3O2 + MgS = Cu2S + Mg(C2H3O2)2 =>
2 CuC2H3O2 + MgS = Cu2S + Mg(C2H3O2)2
Mg + HNO3 = Mg(NO3)2 + H2 = =>
Mg + 2 HNO3 = Mg(NO3)2 + H2
CaO + K2CO3 = K2O + CaCO3 =>
CaO + K2CO3 = K2O + CaCO3
FeK4CN6 + K2Cr2O7 + H2SO4 = Fe2SO4 + K2SO4 + Cr2SO4 + H3NO4 + CO2 + H2O =>
10 FeK4CN6 + 39 K2Cr2O7 + 103 H2SO4 = 5 Fe2SO4 + 59 K2SO4 + 39 Cr2SO4 + 60 H3NO4 + 10 CO2 + 13 H2O
K2S + Na2SO4 = Na2S + K2SO4 =>
K2S + Na2SO4 = Na2S + K2SO4
NH4NO3 + Hg3(PO4)2 = (NH4)3PO4 + Hg(NO3)2 =>
6 NH4NO3 + Hg3(PO4)2 = 2(NH4)3PO4 + 3 Hg(NO3)2
Fe3Cl + Na(OH) = Fe3(OH) + NaCl =>
Fe3Cl + Na(OH) = Fe3(OH) + NaCl
NaOH + CH3COOH = NaCH3COONa + H2O + OH =>
2 NaOH + CH3COOH = NaCH3COONa + H2O + OH
As(OH)3(s) + H2SO4 = As2(SO4)3(aq) + H2O =>
2 As(OH)3(s) + 3 H2SO4 = As2(SO4)3(aq) + 6 H2O
N2O3 + HCl = NCl3 + H2O =>
N2O3 + 6 HCl = 2 NCl3 + 3 H2O
Li(s) + HCl(aq) = LiCl(s) + H2(g) =>
2 Li(s) + 2 HCl(aq) = 2 LiCl(s) + H2(g)
As + H2O2 + NaOH = Na3AsO4 + H2O =>
2 As + 5 H2O2 + 6 NaOH = 2 Na3AsO4 + 8 H2O
CaCO3 + CH4 = CaO + CO + H2O =>
3 CaCO3 + CH4 = 3 CaO + 4 CO + 2 H2O
LiBr + Pb(NO3)2 = LiNO3 + PbBr2 =>
2 LiBr + Pb(NO3)2 = 2 LiNO3 + PbBr2
MgCO3 + SiO2 = Mg2SiO4 + CO2 =>
2 MgCO3 + SiO2 = Mg2SiO4 + 2 CO2
Zn(aq) + CuSO4(aq) = ZnSO4(aq) + Cu(aq) =>
Zn(aq) + CuSO4(aq) = ZnSO4(aq) + Cu(aq)
NaHS + Cu(OH)2 = NaOH + CuS + H2O =>
NaHS + Cu(OH)2 = NaOH + CuS + H2O
(CH3(CH2)4(CH3)) + O2 = CO2 + H2O =>
2(CH3(CH2)4(CH3)) + 19 O2 = 12 CO2 + 14 H2O
Na2CO3 + S2 = Na2S2O3 + Na2S4 + CO2 =>
3 Na2CO3 + 5 S2 = Na2S2O3 + 2 Na2S4 + 3 CO2
C6H6SO4 + HNO3 = C6H3N3O7 + H2O + H2SO4 =>
C6H6SO4 + 3 HNO3 = C6H3N3O7 + 2 H2O + H2SO4
Cr(iii) + OH = Cr(OH)3 =>
Cr(iii) + 3 OH = Cr(OH)3
Ba(OH)2 + NH4NO2 = NH3 + Ba(NO2)2 + H2O =>
Ba(OH)2 + 2 NH4NO2 = 2 NH3 + Ba(NO2)2 + 2 H2O
Na(l) + Cl2(l) = NaCl =>
2 Na(l) + Cl2(l) = 2 NaCl
CaCo3 + H2O = H2Co3 + Ca(OH)2 =>
CaCo3 + 2 H2O = H2Co3 + Ca(OH)2
Na2S + I2 = I2S + Na =>
Na2S + I2 = I2S + 2 Na
(NH4)2SO4(aq) + AgNO3(aq) = Ag2SO4(s) + NH4NO3(aq) =>
(NH4)2SO4(aq) + 2 AgNO3(aq) = Ag2SO4(s) + 2 NH4NO3(aq)
CH3COOH + H2CO3 = CH3COOCO2 + H2O =>
7 CH3COOH + 10 H2CO3 = 8 CH3COOCO2 + 12 H2O
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| Équations équilibrées la veille | Équations équilibrées le lendemain |
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