| Équations équilibrées la veille | Équations équilibrées le lendemain |
Zn(NO3)2 = Zn + 2 NO2 + O2
PbCO3 = PbO + CO2 =>
PbCO3 = PbO + CO2
K2CrO4 + CrO2Cl2 = KCrO3Cl =>
K2CrO4 + CrO2Cl2 = 2 KCrO3Cl
P4 + NO3{-} + H3O{+} = H3PO4 + NO2 + H2O =>
P4 + 20 NO3{-} + 20 H3O{+} = 4 H3PO4 + 20 NO2 + 24 H2O
KMnO4 + H2CO + H2SO4 = K2SO4 + CO2H2 + MnSO4 + H2O =>
2 KMnO4 + 5 H2CO + 3 H2SO4 = K2SO4 + 5 CO2H2 + 2 MnSO4 + 3 H2O
NaHCO3 + H2O + Cu = CuHCO3 + NaOH + H2 =>
2 NaHCO3 + 2 H2O + 2 Cu = 2 CuHCO3 + 2 NaOH + H2
Pe + H2SO4 = Pe(SO4)3 + H2 =>
Pe + 3 H2SO4 = Pe(SO4)3 + 3 H2
NO + H2O = HN2 + OH =>
2 NO + 3 H2O = HN2 + 5 OH
Fe2(Cr2O7)3 + H2SO3 = Fe2(SO3)3 + Cr2O7H2 =>
Fe2(Cr2O7)3 + 3 H2SO3 = Fe2(SO3)3 + 3 Cr2O7H2
C6H5NO2 + Fe + HCl = C6H5NH2 + FeCl2 + H2O =>
C6H5NO2 + 3 Fe + 6 HCl = C6H5NH2 + 3 FeCl2 + 2 H2O
[FeOH]SO4 + H2SO4 = Fe2(SO4)3 + H2O =>
2[FeOH]SO4 + H2SO4 = Fe2(SO4)3 + 2 H2O
KCl(aq) + Mg(NO3)2(aq) = K(NO3)2(aq) + MgCl(aq) =>
KCl(aq) + Mg(NO3)2(aq) = K(NO3)2(aq) + MgCl(aq)
HMnO4 = H + MnO4 =>
HMnO4 = H + MnO4
H2PtCl6 + KOH = K2PtCl6 + H2O =>
H2PtCl6 + 2 KOH = K2PtCl6 + 2 H2O
Fe{2+}{+} + OH{-} = Fe(OH)2 = FeO + H2O =>
Fe{2+}{+} + 2 OH{-} = Fe(OH)2
SrCl2(aq) + Li3PO4(aq) = Sr3(PO4)2(s) + LiCl(aq) =>
3 SrCl2(aq) + 2 Li3PO4(aq) = Sr3(PO4)2(s) + 6 LiCl(aq)
NaClO3 + NaBr + H2O = NaCl + Br + NaOH =>
NaClO3 + 6 NaBr + 3 H2O = NaCl + 6 Br + 6 NaOH
KF{-} + HNO3{-} = KNO3{-} + HF{-} =>
KF{-} + HNO3{-} = KNO3{-} + HF{-}
Fe(s) + C(s) + HCl(aq) = FeCl3(aq) + HC(g) =>
Fe(s) + 3 C(s) + 3 HCl(aq) = FeCl3(aq) + 3 HC(g)
FeS + NO3{-} + H3O{+} = NO + SO42{-} + Fe{3+} + H2O =>
3 FeS + 86 NO3{-} + 92 H3O{+} = 86 NO + 3 SO42{-} + 3 Fe{3+} + 138 H2O
MnSO4 + H2O2 = MnOSO4 + H2O =>
MnSO4 + H2O2 = MnOSO4 + H2O
C4H6 + K2Cr2O7 + HCl = C2H4O2 + KCl + CrCl3 + H2O =>
C4H6 + K2Cr2O7 + 8 HCl = 2 C2H4O2 + 2 KCl + 2 CrCl3 + 3 H2O
Co(NO3)2 + NH4OH = Co(OH)NO3 + NH4NO3 =>
Co(NO3)2 + NH4OH = Co(OH)NO3 + NH4NO3
H3AsO4 + CaMg(CO3)2 = MgCaAsO4(OH) + CO2 + H2O =>
H3AsO4 + CaMg(CO3)2 = MgCaAsO4(OH) + 2 CO2 + H2O
C3H4 + HCl = C3H5Cl =>
C3H4 + HCl = C3H5Cl
CHO = CH + O =>
CHO = CH + O
H3COH + HCl = Cl + H4C + H2O =>
H3COH + 2 HCl = 2 Cl + H4C + H2O
KMnO4 + HCl + KCl = K2MnCl6 + H2O + Cl2 =>
2 KMnO4 + 16 HCl + 2 KCl = 2 K2MnCl6 + 8 H2O + 3 Cl2
MnO4{-} + HPO3{2-} + H{+} = Mn{2+} + H2PO4{-} + H2O =>
2 MnO4{-} + 5 HPO3{2-} + 11 H{+} = 2 Mn{2+} + 5 H2PO4{-} + 3 H2O
Cs + N2 = Cs3N =>
6 Cs + N2 = 2 Cs3N
Ca3P2 + H2O = Ca(OH)2 + PH3 =>
Ca3P2 + 6 H2O = 3 Ca(OH)2 + 2 PH3
H3PO4 + NaBr = HBr + Na3PO4 =>
H3PO4 + 3 NaBr = 3 HBr + Na3PO4
C2H6 + O2 = CO2 + H2O =>
2 C2H6 + 7 O2 = 4 CO2 + 6 H2O
HCl + CaCO3 = CO2 + CaCl2 + H2O =>
2 HCl + CaCO3 = CO2 + CaCl2 + H2O
K3[Fe(CN)6] + Pt = Pt[Fe(CN)6] + K =>
K3[Fe(CN)6] + Pt = Pt[Fe(CN)6] + 3 K
HNO3 + Zn = Zn(NO3)2 + NH5NO3 + H2O =>
22 HNO3 + 9 Zn = 9 Zn(NO3)2 + 2 NH5NO3 + 6 H2O
Li2CrO4 + BaCl2 = LiCl + BaCrO4 =>
Li2CrO4 + BaCl2 = 2 LiCl + BaCrO4
PO4H3 + NaOH = H2O + PO4Na3 =>
PO4H3 + 3 NaOH = 3 H2O + PO4Na3
Al + HCI = AlCI + H2 =>
2 Al + 2 HCI = 2 AlCI + H2
KMnO4 + Na2C2O4 + HCl = MnCl + CO2 + H2O + NaCl2 + KCl =>
2 KMnO4 + 3 Na2C2O4 + 16 HCl = 2 MnCl + 6 CO2 + 8 H2O + 6 NaCl2 + 2 KCl
Mn2(CO3)7 + Li3BO3 = Mn3(BO3)7 + Li2CO3 =>
3 Mn2(CO3)7 + 14 Li3BO3 = 2 Mn3(BO3)7 + 21 Li2CO3
HL + H2SO4 = H2SO3 + L2 + H2O =>
2 HL + H2SO4 = H2SO3 + L2 + H2O
FeSO4*7H2O + H2C2O4*2H2O = FeC2O4 + H2SO4 + H2O =>
FeSO4*7H2O + H2C2O4*2H2O = FeC2O4 + H2SO4 + 9 H2O
Ca(OH)2 + C2H2 = CaC2 + H2O =>
Ca(OH)2 + C2H2 = CaC2 + 2 H2O
NH2CH2COOH(s) + O2(g) = CO2(g) + H2O(l) + N2(g) =>
4 NH2CH2COOH(s) + 9 O2(g) = 8 CO2(g) + 10 H2O(l) + 2 N2(g)
HCl + Cr = CrCl2 + H2 =>
2 HCl + Cr = CrCl2 + H2
CO2 + H2O = C6H12O6 + O2 =>
6 CO2 + 6 H2O = C6H12O6 + 6 O2
H2S + NHO3 = H2SO4 + NO + H2O =>
3 H2S + 8 NHO3 = 3 H2SO4 + 8 NO + 4 H2O
Pb(CH3COO)2 + NaOH = Pb(OH)2 + Na(CH3COO) =>
Pb(CH3COO)2 + 2 NaOH = Pb(OH)2 + 2 Na(CH3COO)
C7H13 + H2O + KMnO4 = C7H15O2 + KOH + MnO2 =>
3 C7H13 + 4 H2O + 2 KMnO4 = 3 C7H15O2 + 2 KOH + 2 MnO2
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Équations équilibrées sur11/03/24
Équations équilibrées sur12/03/23
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