| Équations équilibrées la veille |
Na2CO3 + 4 HCl = 2 NaHCl2 + H2O + CO2
Sb + H2O2 + KOH = K[Sb(OH)6] =>
2 Sb + 5 H2O2 + 2 KOH = 2 K[Sb(OH)6]
C8H9Br + KMnO4 + H2O = KOH + MnO2 + C7H5O2Br + CHO2 =>
3 C8H9Br + 11 KMnO4 + H2O = 11 KOH + 11 MnO2 + 3 C7H5O2Br + 3 CHO2
Fe(OH)3 + OH{-} + ClO{-} = FeO4{2-} + Cl{-} + H2O =>
2 Fe(OH)3 + 4 OH{-} + 3 ClO{-} = 2 FeO4{2-} + 3 Cl{-} + 5 H2O
KOH + SO2 = K2SO3 + H2O =>
2 KOH + SO2 = K2SO3 + H2O
KFe(CN)6 + KMnO4 + H2SO4 = KHSO4 + Fe2(SO4)3 + MnSO4 + HNO3 + CO2 + H2O =>
10 KFe(CN)6 + 116 KMnO4 + 257 H2SO4 = 126 KHSO4 + 5 Fe2(SO4)3 + 116 MnSO4 + 60 HNO3 + 60 CO2 + 164 H2O
C7H7No2 + C4H6O3 = C8H7No2 + H2O = C9H9NO3 =>
4 C7H7No2 + C4H6O3 = 4 C8H7No2 + 3 H2O
COCl(OH) = CO2 + HCl =>
COCl(OH) = CO2 + HCl
KMnO4 + H2SO3 = K2SO4 + MnSO + H2SO4 + H2O =>
2 KMnO4 + 11 H2SO3 = K2SO4 + 2 MnSO + 8 H2SO4 + 3 H2O
BaSO4 + Fe = BaFe + SO4 =>
BaSO4 + Fe = BaFe + SO4
AgCl + (NH4)2S = AgS + (NH4)2Cl =>
AgCl + (NH4)2S = AgS + (NH4)2Cl
Cr2(SO4)3 + NaOH + Br = Na2CrO4 + NaBr + H2O + Na2SO4 =>
Cr2(SO4)3 + 16 NaOH + 6 Br = 2 Na2CrO4 + 6 NaBr + 8 H2O + 3 Na2SO4
NH4Cl + Na3(CO(NO2))6 = (NH4)3(CO(NO2))6 + NaCl =>
3 NH4Cl + Na3(CO(NO2))6 = (NH4)3(CO(NO2))6 + 3 NaCl
Li2 + O = LiO2 =>
Li2 + 4 O = 2 LiO2
KNO3 + Cr(SO)3 + Na2CO3 = KNO2 + Na2CrO4 + Na2SO4 + CO2 =>
9 KNO3 + Cr(SO)3 + 4 Na2CO3 = 9 KNO2 + Na2CrO4 + 3 Na2SO4 + 4 CO2
Al(s) + HCl(aq) = AlCl3(aq) + H2(g) =>
2 Al(s) + 6 HCl(aq) = 2 AlCl3(aq) + 3 H2(g)
C2H5OH + CrO3 + H2SO4 = CH3CHO + Cr2(SO4)3 + H2O =>
3 C2H5OH + 2 CrO3 + 3 H2SO4 = 3 CH3CHO + Cr2(SO4)3 + 6 H2O
MnO2 + KJ + H2SO4 = MnSO4 + J2 + K2SO4 + H2O =>
MnO2 + 2 KJ + 2 H2SO4 = MnSO4 + J2 + K2SO4 + 2 H2O
C4H10O + O2 = CO2 + H2O =>
C4H10O + 6 O2 = 4 CO2 + 5 H2O
Cu + AlCl3 = CuCl2 + Al3 =>
9 Cu + 6 AlCl3 = 9 CuCl2 + 2 Al3
Cl2 + Br{-} = Cl{-} + Br2 =>
Cl2 + 2 Br{-} = 2 Cl{-} + Br2
K2Cr2O7 + H2SO4 + C2H5OH7 = Cr2(SO4)3 + K2SO4 + CH3COOH + H2O =>
5 K2Cr2O7 + 20 H2SO4 + 3 C2H5OH7 = 5 Cr2(SO4)3 + 5 K2SO4 + 3 CH3COOH + 32 H2O
Ag{+} + Br{-} = AgBr =>
Ag{+} + Br{-} = AgBr
NaHCO3 + PbO = NaOH + PbCO3 =>
NaHCO3 + PbO = NaOH + PbCO3
CO(g) + O2(g) = CO2(g) = CO + O2 = CO2 =>
2 CO(g) + O2(g) = 2 CO2(g)
Ni(NO3)2 + Na2SO4 = Ni(SO4)2 + Na2NO3 =>
Ni(NO3)2 + 2 Na2SO4 = Ni(SO4)2 + 2 Na2NO3
Cu2O2 + NH3 = H2O + N2 + Cu =>
3 Cu2O2 + 4 NH3 = 6 H2O + 2 N2 + 6 Cu
Zn + AlF3 = Al + ZnF2 =>
3 Zn + 2 AlF3 = 2 Al + 3 ZnF2
NH4Cl + K(OH) = NH4(OH) + KCl =>
NH4Cl + K(OH) = NH4(OH) + KCl
NaI + HClO3 = NaIO3 + HCl =>
NaI + HClO3 = NaIO3 + HCl
FeS + NaCN + H2O2 = Fe(CN)2 + H2SO4 + H2 + NaOH =>
FeS + 2 NaCN + 3 H2O2 = Fe(CN)2 + H2SO4 + H2 + 2 NaOH
Ba + HCN = BaCN + H2 =>
2 Ba + 2 HCN = 2 BaCN + H2
K2Cr2O7 + H2SO3 + HCl = Cr2(SO4)3 + KCl + H2O =>
K2Cr2O7 + 3 H2SO3 + 2 HCl = Cr2(SO4)3 + 2 KCl + 4 H2O
MnO + KClO3 + HCl = K2MnO4 + H2O + Cl2 =>
MnO + 2 KClO3 + 6 HCl = K2MnO4 + 3 H2O + 4 Cl2
C3H7OH + O = C3H6(OH)2 =>
C3H7OH + O = C3H6(OH)2
Co(NO3)2 + HCl = CoCl2 + H(NO3) =>
Co(NO3)2 + 2 HCl = CoCl2 + 2 H(NO3)
Cs + PO4 = CsPO4 =>
Cs + PO4 = CsPO4
NaOH + CH3OH = NaCH3 + OH =>
NaOH + CH3OH = NaCH3 + 2 OH
BaO(s) + Al(s) = Al2O3(s) + Ba(l) =>
3 BaO(s) + 2 Al(s) = Al2O3(s) + 3 Ba(l)
NaNO3 + Ba(OH)2 = BaNO3 + Na(OH)2 =>
NaNO3 + Ba(OH)2 = BaNO3 + Na(OH)2
HS + H2O = H2S + O2 =>
4 HS + 2 H2O = 4 H2S + O2
C6H8O7 + NO3 = CO2 + H2O + N2 =>
2 C6H8O7 + 6 NO3 = 12 CO2 + 8 H2O + 3 N2
As2O3 + H2O = H3AsO3 =>
As2O3 + 3 H2O = 2 H3AsO3
K2PtCl6 = K + Pt + Cl2 =>
K2PtCl6 = 2 K + Pt + 3 Cl2
C2H2 + OH = C2H2O2 + H2O =>
C2H2 + 4 OH = C2H2O2 + 2 H2O
HCl + Ba(OH)2 = BaCl2 + H2O =>
2 HCl + Ba(OH)2 = BaCl2 + 2 H2O
Ni(NO3)2 + CuSO4 = Ni(SO4) + Cu(NO3)2 =>
Ni(NO3)2 + CuSO4 = Ni(SO4) + Cu(NO3)2
Cl2O7 + ClO2 = Cl2O5 =>
Cl2O7 + 4 ClO2 = 3 Cl2O5
Cr(OH)3 + HCIO3 = Cr(CIO3)3 + H2O =>
Cr(OH)3 + 3 HCIO3 = Cr(CIO3)3 + 3 H2O
KNO3 + S + C = KNS + CO2 =>
2 KNO3 + 2 S + 3 C = 2 KNS + 3 CO2
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