| Équations équilibrées la veille |
3 CuSO4 + 2 C6H8O7 = Cu3(C6H5O7)2 + 3 H2SO4
NaCl + H2SO4(aq) = Na2SO4 + HCl =>
2 NaCl + H2SO4(aq) = Na2SO4 + 2 HCl
CuBr + Cl2 = CuCl + Br =>
2 CuBr + Cl2 = 2 CuCl + 2 Br
K4Fe(CN)6 + HCl = HCN + KCl + FeCl2 =>
K4Fe(CN)6 + 6 HCl = 6 HCN + 4 KCl + FeCl2
Mg2 + OH = Mg(OH)2 =>
Mg2 + 4 OH = 2 Mg(OH)2
Sb2S3 + HCl + HNO3 = HSbCl6 + H2SO4 + NO + H2O =>
3 Sb2S3 + 36 HCl + 28 HNO3 = 6 HSbCl6 + 9 H2SO4 + 28 NO + 20 H2O
HN3 + O2 = N2 + H2O =>
4 HN3 + O2 = 6 N2 + 2 H2O
K4[Fe(CN)6] + FeSO4 = Fe4[Fe(CN)6]3 + K2SO4 + Fe2 =>
3 K4[Fe(CN)6] + 6 FeSO4 = Fe4[Fe(CN)6]3 + 6 K2SO4 + Fe2
HgSO4 + NaOH = Hg(OH)2 + Na2SO4 =>
HgSO4 + 2 NaOH = Hg(OH)2 + Na2SO4
HNO3 + MgO2H2 = H2O + MgN2O6 =>
2 HNO3 + MgO2H2 = 2 H2O + MgN2O6
CaCO3(s) + H(aq) = H2O(l) + CO2(g) + Ca(aq) =>
CaCO3(s) + 2 H(aq) = H2O(l) + CO2(g) + Ca(aq)
C2H5N + O2 = CO + H2O + NO =>
4 C2H5N + 11 O2 = 8 CO + 10 H2O + 4 NO
Zn + H2SO4 + FeCl3 = ZnSO4 + FeCl2 + HCl =>
Zn + H2SO4 + 2 FeCl3 = ZnSO4 + 2 FeCl2 + 2 HCl
LiOH(aq) + HNO2(aq) = LiNO2 + H2O =>
LiOH(aq) + HNO2(aq) = LiNO2 + H2O
Fe(C2H3O2)2 + H2SO4 = FeSO4 + H(C2H3O2) =>
Fe(C2H3O2)2 + H2SO4 = FeSO4 + 2 H(C2H3O2)
BCl3 + O2 = B2O3 + Cl =>
4 BCl3 + 3 O2 = 2 B2O3 + 12 Cl
Cr + HNO2 = Cr(NO2)6 + H2 =>
Cr + 6 HNO2 = Cr(NO2)6 + 3 H2
N2 + HCl = NH4Cl + Cl2 =>
N2 + 8 HCl = 2 NH4Cl + 3 Cl2
NaCl(aq) + KOH(aq) = NaOH(aq) + KCl(aq) =>
NaCl(aq) + KOH(aq) = NaOH(aq) + KCl(aq)
CuCl2 + NaOH = Cu(OH)2 + NaCl =>
CuCl2 + 2 NaOH = Cu(OH)2 + 2 NaCl
C2 + H = CH2 =>
C2 + 4 H = 2 CH2
Na + P = NaP =>
Na + P = NaP
Ca(NO3)2 + NaH2PO4 = Ca(H2PO4)2 + NaNO3 =>
Ca(NO3)2 + 2 NaH2PO4 = Ca(H2PO4)2 + 2 NaNO3
FeC2O4 = Fe + C2O4 =>
FeC2O4 = Fe + C2O4
C4H6O2 + NaOH = C4H7NaO3 =>
C4H6O2 + NaOH = C4H7NaO3
MgO + S = MgS + O =>
MgO + S = MgS + O
H3BO3 + Mg = Mg(BO3)2 + H2 =>
2 H3BO3 + Mg = Mg(BO3)2 + 3 H2
C8H8O3 + OH = C7H6O3 + CH3OH =>
18 C8H8O3 + 14 OH = 19 C7H6O3 + 11 CH3OH
Na2SO4 + Ga(NO3)3 = NaNO3 + Ga2(SO4)3 =>
3 Na2SO4 + 2 Ga(NO3)3 = 6 NaNO3 + Ga2(SO4)3
FeSO4 + K4Fe(CN)6 = Fe2[Fe(CN)6] + K2SO4 =>
2 FeSO4 + K4Fe(CN)6 = Fe2[Fe(CN)6] + 2 K2SO4
KClO3 + K2SO3 + H2SO4 = K2SO4 + HCl =>
2 KClO3 + 6 K2SO3 + H2SO4 = 7 K2SO4 + 2 HCl
As2O3 + BrO3 = AsO4 + Br =>
3 As2O3 + 5 BrO3 = 6 AsO4 + 5 Br
NO2 + H2SO4 = SO4 + HNO2 =>
2 NO2 + H2SO4 = SO4 + 2 HNO2
(NH4)2S + Ba(NO3)2 = BaS + NH4NO3 =>
(NH4)2S + Ba(NO3)2 = BaS + 2 NH4NO3
Mg(NO3)2(aq) + (NH4)3PO4(aq) = Mg3(PO4)2(s) + NH4NO3(aq) =>
3 Mg(NO3)2(aq) + 2(NH4)3PO4(aq) = Mg3(PO4)2(s) + 6 NH4NO3(aq)
C + ZnO2 = Zn + CO2 =>
C + ZnO2 = Zn + CO2
Al(OH)3 + BrH = AlBr3 + H2O =>
Al(OH)3 + 3 BrH = AlBr3 + 3 H2O
Cu + Ag(NO3)2 = CuNO3 + Ag =>
2 Cu + Ag(NO3)2 = 2 CuNO3 + Ag
Cr2O7{-2} + C3H7OH + H{+} = C2H5COOH + Cr{3+} + H2O =>
2 Cr2O7{-2} + 3 C3H7OH + 16 H{+} = 3 C2H5COOH + 4 Cr{3+} + 11 H2O
Zn + NaO = Na2ZnO2 =>
Zn + 2 NaO = Na2ZnO2
C4H6 + KMnO4 + KOH = CH3COOK + K2MnO4 + H2O =>
C4H6 + 6 KMnO4 + 8 KOH = 2 CH3COOK + 6 K2MnO4 + 4 H2O
HCl(aq) + ZnS(aq) = H2S(g) + ZnCl2 =>
2 HCl(aq) + ZnS(aq) = H2S(g) + ZnCl2
CaS + HCl = CaCl2 + H2S =>
CaS + 2 HCl = CaCl2 + H2S
NH4 + F2 = N2F4 + H2 =>
2 NH4 + 2 F2 = N2F4 + 4 H2
Cd(NO3)2 + NaCl = CdCl2 + Na(NO3) =>
Cd(NO3)2 + 2 NaCl = CdCl2 + 2 Na(NO3)
Fe(OH)2 + H2CO3 = H2O + Fe2(CO3)2 =>
2 Fe(OH)2 + 2 H2CO3 = 4 H2O + Fe2(CO3)2
KMnO4 + C2H6O2 = K2CO3 + MnO2 + CO2 + H2O =>
10 KMnO4 + 3 C2H6O2 = 5 K2CO3 + 10 MnO2 + CO2 + 9 H2O
Zn + H2O = ZnO + H2 =>
Zn + H2O = ZnO + H2
FeCO3 + CH3COOH = (CH3COO)2Fe + H2O + CO2 =>
FeCO3 + 2 CH3COOH = (CH3COO)2Fe + H2O + CO2
H2C4H4O6 + H2O = HC4H4O6{-} + H3O{+} =>
H2C4H4O6 + H2O = HC4H4O6{-} + H3O{+}
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Équations équilibrées sur10/23/24
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