| Équations équilibrées la veille | Équations équilibrées le lendemain |
K[Cr(OH)4] = 2 H2O + KCrO2
ClFe + NaOH = HCl + FeNa + O2 =>
2 ClFe + 2 NaOH = 2 HCl + 2 FeNa + O2
Li + O2 = LiO1 =>
2 Li + O2 = 2 LiO1
ZnSO4 + Na2SO4 + H2O = Na2ZnO2 + H2SO4 =>
ZnSO4 + Na2SO4 + 2 H2O = Na2ZnO2 + 2 H2SO4
K2(CrO4) + Ba(NO3)2 = BaCrO4 + KNO3 =>
K2(CrO4) + Ba(NO3)2 = BaCrO4 + 2 KNO3
K3PO4(aq) + MnCl2(aq) = Mn3(PO4)2(s) + KCl(aq) =>
2 K3PO4(aq) + 3 MnCl2(aq) = Mn3(PO4)2(s) + 6 KCl(aq)
KOH + HCl = KCl + H + O3 =>
3 KOH + 3 HCl = 3 KCl + 6 H + O3
CaI2 + Na3Pb4 = CaPb4 + Na3I2 =>
CaI2 + Na3Pb4 = CaPb4 + Na3I2
C4H10 + OH = C4H8 + H2O =>
C4H10 + 2 OH = C4H8 + 2 H2O
Cu(NO3)2 + NaCH = CuCH + Na(NO3)2 =>
Cu(NO3)2 + NaCH = CuCH + Na(NO3)2
HNO3 + I2 = H2O + NO2 + HIO3 =>
10 HNO3 + I2 = 4 H2O + 10 NO2 + 2 HIO3
C4H8(OH)2 + O2 = CO2 + H2O =>
2 C4H8(OH)2 + 11 O2 = 8 CO2 + 10 H2O
CuFeS2 + O2 = Cu2S + Fe2O3 + SO2 =>
4 CuFeS2 + 9 O2 = 2 Cu2S + 2 Fe2O3 + 6 SO2
Cu(NO3)2 + KI = CuI + K(NO3)2 =>
Cu(NO3)2 + KI = CuI + K(NO3)2
(NH4)2SO4(aq) + Ca(OH)2(aq) = CaSO4(aq) + (NH4)2(OH)2(aq) =>
(NH4)2SO4(aq) + Ca(OH)2(aq) = CaSO4(aq) + (NH4)2(OH)2(aq)
HNO3 + NH4H2CO3 = NH4NO3 + H2O + CO2 =>
10 HNO3 + 8 NH4H2CO3 = 9 NH4NO3 + 11 H2O + 8 CO2
Ga + H2(SO4) = Ga2(SO4)3 + H2 =>
2 Ga + 3 H2(SO4) = Ga2(SO4)3 + 3 H2
C2H5OH + K2Cr2O7 + H2SO4 = CH3COOH + Cr2(SO4)3 + K2SO4 + H2O =>
3 C2H5OH + 2 K2Cr2O7 + 8 H2SO4 = 3 CH3COOH + 2 Cr2(SO4)3 + 2 K2SO4 + 11 H2O
KFe3AlSi3O10(OH)2 + Cu + O2 + H2S = KAlSi3O8 + CuFeS2 + H2O =>
2 KFe3AlSi3O10(OH)2 + 6 Cu + 3 O2 + 12 H2S = 2 KAlSi3O8 + 6 CuFeS2 + 14 H2O
KClO3 = KCl + O2 =>
2 KClO3 = 2 KCl + 3 O2
C4H7(OH)3 + Cu(OH)2 = C4H7OHCuO2 + H2O =>
C4H7(OH)3 + Cu(OH)2 = C4H7OHCuO2 + 2 H2O
Pb(OH)2 + HCl = H2O + PbCl2 =>
Pb(OH)2 + 2 HCl = 2 H2O + PbCl2
Pb(NO3)4 + NaF = PbF4 + NaNO3 =>
Pb(NO3)4 + 4 NaF = PbF4 + 4 NaNO3
AlC + H2O = Al(OH)3 + CH3 =>
AlC + 3 H2O = Al(OH)3 + CH3
Cu + Al2O3 + Fe + O2 = Cu3Al2FeO6 =>
6 Cu + 2 Al2O3 + 2 Fe + 3 O2 = 2 Cu3Al2FeO6
LiI(aq) + Ag(NO3)(aq) = AgI(s) + Li(NO3)(aq) =>
LiI(aq) + Ag(NO3)(aq) = AgI(s) + Li(NO3)(aq)
H2O + C6H12O6 = C2H6O + O2 =>
3 H2O + C6H12O6 = 3 C2H6O + 3 O2
Pb(ClO3)2 + KHSO4 = PbSO4 + KH(ClO3)2 =>
Pb(ClO3)2 + KHSO4 = PbSO4 + KH(ClO3)2
C3H7OH + Na = C3H7ONa + H2 =>
2 C3H7OH + 2 Na = 2 C3H7ONa + H2
NH4Br + ZnSO4 = ZnBr + NH4 + SO4 =>
NH4Br + ZnSO4 = ZnBr + NH4 + SO4
Fe + AgCH3COO = Fe(CH3COO)2 + Ag =>
Fe + 2 AgCH3COO = Fe(CH3COO)2 + 2 Ag
B5H9 + O = B + H2O =>
2 B5H9 + 9 O = 10 B + 9 H2O
Fe(NO3)3 + Na2C2O4 = Fe2(C2O4)3 + NaNO3 =>
2 Fe(NO3)3 + 3 Na2C2O4 = Fe2(C2O4)3 + 6 NaNO3
HCN = H + CN =>
HCN = H + CN
C6H12 + KMnO4 + H2SO4 = C3H6O2 + K2SO4 + MnSO4 + H2O =>
5 C6H12 + 8 KMnO4 + 12 H2SO4 = 10 C3H6O2 + 4 K2SO4 + 8 MnSO4 + 12 H2O
BaCrO4 + HCl + KCl = BaCl2 + H2O + K2Cr2O7 =>
2 BaCrO4 + 2 HCl + 2 KCl = 2 BaCl2 + H2O + K2Cr2O7
MnO*3Mn2O3*SiO2 + C = MnO + SiO2 + CO =>
MnO*3Mn2O3*SiO2 + 3 C = 7 MnO + SiO2 + 3 CO
NaHCO3 + KOH + ZnBr2 = NaOH + Zn(HCO3)2 + KBr =>
2 NaHCO3 + 2 KOH + ZnBr2 = 2 NaOH + Zn(HCO3)2 + 2 KBr
IF3 + H2O = HF + HIO2 =>
IF3 + 2 H2O = 3 HF + HIO2
Fe2(OH)2Cl4 + HCl = FeCl3 + H2O =>
Fe2(OH)2Cl4 + 2 HCl = 2 FeCl3 + 2 H2O
K(OH) + H3(PO4) = K3(PO4) + H2O =>
3 K(OH) + H3(PO4) = K3(PO4) + 3 H2O
C2H2(g) + O2(g) = CO(s) + H2O =>
2 C2H2(g) + 3 O2(g) = 4 CO(s) + 2 H2O
Ca + N2 = Ca3N2 =>
3 Ca + N2 = Ca3N2
C2H6O + Mn2O7 + H2SO4 = CO2 + MnSO4 + H2O =>
5 C2H6O + 6 Mn2O7 + 12 H2SO4 = 10 CO2 + 12 MnSO4 + 27 H2O
Na + HNO3 = NH4NO3 + Na(NO3)2 + H2O =>
4 Na + 10 HNO3 = NH4NO3 + 4 Na(NO3)2 + 3 H2O
Ag2CO3 + HNO3 = Ag + H2O + CO2 + NO3 =>
Ag2CO3 + 2 HNO3 = 2 Ag + H2O + CO2 + 2 NO3
NH4HF2 + KOH = KF + NH3 + H2O =>
NH4HF2 + 2 KOH = 2 KF + NH3 + 2 H2O
N2 + O2 = N2O5 =>
2 N2 + 5 O2 = 2 N2O5
Ca(OH)2 + Al2(SO4)3 = CaSO4 + Al(OH)3 =>
3 Ca(OH)2 + Al2(SO4)3 = 3 CaSO4 + 2 Al(OH)3
Fe + AgCH3COO = FeCH3COO + Ag =>
Fe + AgCH3COO = FeCH3COO + Ag
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