| Équations équilibrées la veille |
2 K4[Fe(CN)6] + H2SO4 + H2O2 = 2 K3[Fe(CN)6] + K2SO4 + 2 H2O
Al2(SO4)3 + NH3*H2O = Al(OH)3 + (NH4)2SO4 =>
Al2(SO4)3 + 6 NH3*H2O = 2 Al(OH)3 + 3(NH4)2SO4
Cu + Cr(NO3)3 = Cu(NO3)2 + Cr =>
3 Cu + 2 Cr(NO3)3 = 3 Cu(NO3)2 + 2 Cr
C2H5COOH(l) + O2 = CO2(g) + H2O(l) =>
2 C2H5COOH(l) + 7 O2 = 6 CO2(g) + 6 H2O(l)
Sr(OH)2 + FePO4 = Sr3(PO4)2 + Fe(OH)3 =>
3 Sr(OH)2 + 2 FePO4 = Sr3(PO4)2 + 2 Fe(OH)3
Fe(NO3)3 + HCl = FeCl(NO3)3 + H2 =>
2 Fe(NO3)3 + 2 HCl = 2 FeCl(NO3)3 + H2
Hg(C2H3O2)2 + Na2SO4 = HgSO4 + Na(C2H3O2) =>
Hg(C2H3O2)2 + Na2SO4 = HgSO4 + 2 Na(C2H3O2)
CoCl2 + KOH + KClO2 = Co2O3 + KCl + H2O =>
4 CoCl2 + 8 KOH + KClO2 = 2 Co2O3 + 9 KCl + 4 H2O
Fe + H2O = Fe3O4 + H2 =>
3 Fe + 4 H2O = Fe3O4 + 4 H2
H2SO4 + CU = CUSO4 + H2 =>
H2SO4 + CU = CUSO4 + H2
CrO3 = CrO + O2 =>
CrO3 = CrO + O2
Cu2S + HSO4{-} + H{+} = Cu2{+} + SO2 + H2O =>
2 Cu2S + 5 HSO4{-} + 7 H{+} = 2 Cu2{+} + 7 SO2 + 6 H2O
CH4 + Cl = CH3Cl + HCl =>
CH4 + 2 Cl = CH3Cl + HCl
BCl3 + P + H2 = BP + HCl =>
2 BCl3 + 2 P + 3 H2 = 2 BP + 6 HCl
Al(OH)3 + Ba(OH)2 = Ba(AlO2)2 + H2O =>
2 Al(OH)3 + Ba(OH)2 = Ba(AlO2)2 + 4 H2O
Na2SO3 + HCl + KMnO4 + BaCl2 = BaSO4 + KCl + MnCl2 + NaCl + H2O =>
5 Na2SO3 + 6 HCl + 2 KMnO4 + 5 BaCl2 = 5 BaSO4 + 2 KCl + 2 MnCl2 + 10 NaCl + 3 H2O
HgH2SO4 = HgSO4H2 =>
HgH2SO4 = HgSO4H2
Cu + H2SO4 + Ba(NO3)2 = Ba(HSO4)2 + Cu(NO3)2 + NO2 + H2O =>
Cu + 4 H2SO4 + 2 Ba(NO3)2 = 2 Ba(HSO4)2 + Cu(NO3)2 + 2 NO2 + 2 H2O
C2H2 + KMnO4 + H2O = HC(OH)2HC(OH)2 + MnO2 + KOH =>
3 C2H2 + 4 KMnO4 + 8 H2O = 3 HC(OH)2HC(OH)2 + 4 MnO2 + 4 KOH
CH3CH2OH + KMnO4 + H2SO4 = CH3CO2H + MnSO4 + H2O + K2SO4 =>
5 CH3CH2OH + 4 KMnO4 + 6 H2SO4 = 5 CH3CO2H + 4 MnSO4 + 11 H2O + 2 K2SO4
NH4Cl + NaOH = NaCl + H2O*NH3 =>
NH4Cl + NaOH = NaCl + H2O*NH3
Fe(OH)3(t) = Fe2O3 + H2O =>
2 Fe(OH)3(t) = Fe2O3 + 3 H2O
S2O3 + KI = K2S2O3 + I =>
S2O3 + 2 KI = K2S2O3 + 2 I
FePO4 + Ni = Fe + Ni3(PO4)2 =>
2 FePO4 + 3 Ni = 2 Fe + Ni3(PO4)2
Mn2(CO3)3(s) = Mn2O3(s) + CO2(g) =>
Mn2(CO3)3(s) = Mn2O3(s) + 3 CO2(g)
ZnCa(NO3)2 = Zn(NO3)2Ca =>
ZnCa(NO3)2 = Zn(NO3)2Ca
Zn + Cu = Zn3Cu2 =>
3 Zn + 2 Cu = Zn3Cu2
Fe(acac)3 + NaOH = Fe(OH)3 + Na(acac) =>
Fe(acac)3 + 9 NaOH = 3 Fe(OH)3 + 9 Na(acac)
CaCl2 + OH = Ca(ClO4)2 + H2O =>
CaCl2 + 16 OH = Ca(ClO4)2 + 8 H2O
HNO2 = H2ONO2NO =>
2 HNO2 = H2ONO2NO
Cu + HO4S = CuSO4 + H2O + SO2 =>
3 Cu + 4 HO4S = 3 CuSO4 + 2 H2O + SO2
ClO2 + C6H12O6 = Cl2 + CO2 + H2O =>
6 ClO2 + C6H12O6 = 3 Cl2 + 6 CO2 + 6 H2O
C9H13N + H2SO4 = C18H28N2SO4 =>
2 C9H13N + H2SO4 = C18H28N2SO4
HNO2 = N2O3H2O =>
2 HNO2 = N2O3H2O
CH3COOH + C7H8O = C7H8OCOCH + H2O =>
19 CH3COOH + 10 C7H8O = 12 C7H8OCOCH + 24 H2O
C6H12O6 + Bi(OH)2 = C6H12O7 + Bi + H2O =>
C6H12O6 + Bi(OH)2 = C6H12O7 + Bi + H2O
Sr + O2 = SrO2 =>
Sr + O2 = SrO2
H2Te + Cd(OH)2 = CdTe + H2O =>
H2Te + Cd(OH)2 = CdTe + 2 H2O
K3(PO4) + HNO3 = K3(NO3) + HPO4 =>
K3(PO4) + HNO3 = K3(NO3) + HPO4
SO3 + HCl = HSO3Cl =>
SO3 + HCl = HSO3Cl
BiO + C = Bi + CO =>
BiO + C = Bi + CO
As2S4 + HNO3 = H3AsO4 + H2SO4 + H2O + NO2 =>
As2S4 + 34 HNO3 = 2 H3AsO4 + 4 H2SO4 + 10 H2O + 34 NO2
Al + Fe2O3 = Al2O3 + Fe =>
2 Al + Fe2O3 = Al2O3 + 2 Fe
Na{2}SO{3} + HCl = NaCl + H{2}SO{3} =>
Na{2}SO{3} + HCl = NaCl + H{2}SO{3}
AgNO3 + Ni = Ni(NO3)2 + Ag =>
2 AgNO3 + Ni = Ni(NO3)2 + 2 Ag
AsO4{3-} + H2S + H{+} = As2S5 + H2O =>
2 AsO4{3-} + 5 H2S + 6 H{+} = As2S5 + 8 H2O
SO3 + HCl = H2SO3 + Cl =>
SO3 + 2 HCl = H2SO3 + 2 Cl
CO + CuSO4 = COSO4 + Cu =>
CO + CuSO4 = COSO4 + Cu
NH4OH + Na2CrO4 = NH4CrO4 + Na2OH =>
NH4OH + Na2CrO4 = NH4CrO4 + Na2OH
K2S + KBrO4 + H2O = BrO2 + KOH + S =>
3 K2S + 2 KBrO4 + 4 H2O = 2 BrO2 + 8 KOH + 3 S
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