| Équations équilibrées la veille |
TeF6 + 4 H2O = 6 HF + H2TeO4
Fe3O4 + H2 = Fe + H2O =>
Fe3O4 + 4 H2 = 3 Fe + 4 H2O
C2H5NO2(aq) + O2(g) = CO2 + H2O + CH4N2O =>
2 C2H5NO2(aq) + 3 O2(g) = 3 CO2 + 3 H2O + CH4N2O
KCrO2 + PbO2 + KOH + H2O = K2[Pb(OH)4] + K2CrO4 =>
2 KCrO2 + 3 PbO2 + 8 KOH + 2 H2O = 3 K2[Pb(OH)4] + 2 K2CrO4
Na + MgCl2 = NaCl + Mg =>
2 Na + MgCl2 = 2 NaCl + Mg
AlBr3 + Cl2 = AlCl3 + Br2* =>
2 AlBr3 + 3 Cl2 = 2 AlCl3 + 3 Br2*
S{2-} + ClO4{-} + H{+} = SO4{2-} + Cl2 + H2O =>
7 S{2-} + 8 ClO4{-} + 8 H{+} = 7 SO4{2-} + 4 Cl2 + 4 H2O
Na + F = NaF =>
Na + F = NaF
NH4OH + Mg(NO3)2 = NH4(NO3)2 + MgOH =>
NH4OH + Mg(NO3)2 = NH4(NO3)2 + MgOH
KOH + H3PO4 = K3PO4 + H2O =>
3 KOH + H3PO4 = K3PO4 + 3 H2O
HgSO4 + FeSO4 = Fe2(SO4)3 + Hg2SO4 =>
2 HgSO4 + 2 FeSO4 = Fe2(SO4)3 + Hg2SO4
HL + H2SO4 = H2SO3 + L2 + H2O =>
2 HL + H2SO4 = H2SO3 + L2 + H2O
Ba(NO3)2 + MgCl2 = BaCl2 + Mg(NO3)2 =>
Ba(NO3)2 + MgCl2 = BaCl2 + Mg(NO3)2
K2CrO7 + S + H2O = KOH + CrO3 + SO2 =>
2 K2CrO7 + 3 S + 2 H2O = 4 KOH + 2 CrO3 + 3 SO2
NaCl + H2SO4 = Na2SO4 + HCl =>
2 NaCl + H2SO4 = Na2SO4 + 2 HCl
Pb(NO3)2 + KI = PbI2 + KNO3 =>
Pb(NO3)2 + 2 KI = PbI2 + 2 KNO3
ZnF2 + Ca(oh)2 = Zn(oh)2 + CaF2 =>
2 ZnF2 + Ca(oh)2 = Zn(oh)2 + 2 CaF2
NaH2PO4 + HI = NaI + H3PO4 =>
NaH2PO4 + HI = NaI + H3PO4
Ba + HNO3 = BaN2O6 + NH4NO3 + H2O =>
4 Ba + 10 HNO3 = 4 BaN2O6 + NH4NO3 + 3 H2O
KBiO3 + HCl = BiCl3 + KCl + Cl2 + H2O =>
KBiO3 + 6 HCl = BiCl3 + KCl + Cl2 + 3 H2O
Ba + H2O = Ba(OH)2 + H2 =>
Ba + 2 H2O = Ba(OH)2 + H2
Pb(CH3COO)2 + HCl = PbCl2 + H(CH3COO) =>
Pb(CH3COO)2 + 2 HCl = PbCl2 + 2 H(CH3COO)
H2 + O2 = H2O =>
2 H2 + O2 = 2 H2O
Ca(OH)2 + HNO3 = Ca(NO3)2 + H2O =>
Ca(OH)2 + 2 HNO3 = Ca(NO3)2 + 2 H2O
Be2C + H2O = Be(OH)2 + CH4 =>
Be2C + 4 H2O = 2 Be(OH)2 + CH4
N2 + CO2 = NO2 + CO =>
N2 + 4 CO2 = 2 NO2 + 4 CO
C2H5OH + Br2 + H2SO4 = C2H5Br + BrSO4 + H2O =>
4 C2H5OH + 3 Br2 + 2 H2SO4 = 4 C2H5Br + 2 BrSO4 + 4 H2O
C8HO15 + O2 = CO2 + H2O =>
4 C8HO15 + 3 O2 = 32 CO2 + 2 H2O
Ba2XeO6 + H2SO4 = BaSO4 + XeO4 + H2O =>
Ba2XeO6 + 2 H2SO4 = 2 BaSO4 + XeO4 + 2 H2O
KOH + (NH4)2SO4 = K2SO4 + NH4OH =>
2 KOH + (NH4)2SO4 = K2SO4 + 2 NH4OH
AlBr3 + Cl2 = AlCl3 + Br2* =>
2 AlBr3 + 3 Cl2 = 2 AlCl3 + 3 Br2*
C2H5OH + O2 = CO2 + H2O =>
C2H5OH + 3 O2 = 2 CO2 + 3 H2O
AlBr3 + Cl2 = AlCl3 + Br2 =>
2 AlBr3 + 3 Cl2 = 2 AlCl3 + 3 Br2
Mn(NO3)4 + KOH = K(NO3)4 + MnOH =>
Mn(NO3)4 + KOH = K(NO3)4 + MnOH
AlCl3 + Na2CO3 = Al2O3 + NaCl + CO2 =>
2 AlCl3 + 3 Na2CO3 = Al2O3 + 6 NaCl + 3 CO2
CH3COOH + Ca = (CH3COO)2Ca + CO2 + CH7 =>
8 CH3COOH + 3 Ca = 3(CH3COO)2Ca + 2 CO2 + 2 CH7
Fe2O3 + C = Fe + CO2 =>
2 Fe2O3 + 3 C = 4 Fe + 3 CO2
SO3 + NOH = N2SO4 + H2O =>
SO3 + 2 NOH = N2SO4 + H2O
Fe(OH)3 = Fe2O3 + H2O =>
2 Fe(OH)3 = Fe2O3 + 3 H2O
O + AgCl = Cl + AgO =>
O + AgCl = Cl + AgO
Cr2O3 + KOH + H2O = K[Cr(OH)6] + H2 =>
Cr2O3 + 2 KOH + 7 H2O = 2 K[Cr(OH)6] + 2 H2
Fe3O4 + H2 = Fe + H2O =>
Fe3O4 + 4 H2 = 3 Fe + 4 H2O
Na2CO3 + CaCl2 = Na2Cl2 + CaCO3 =>
Na2CO3 + CaCl2 = Na2Cl2 + CaCO3
HgCl2 + H2O = HgO + H2Cl2 =>
HgCl2 + H2O = HgO + H2Cl2
CH12H26 + O2 = CO2 + H2O =>
2 CH12H26 + 21 O2 = 2 CO2 + 38 H2O
BaCl2 + MgSO4 = MgCl + Ba(SO4)2 =>
BaCl2 + 2 MgSO4 = 2 MgCl + Ba(SO4)2
Co + Cr = CoCr =>
Co + Cr = CoCr
CO + O2 = CO2 =>
2 CO + O2 = 2 CO2
LiN + H2O = LiOH + HN =>
LiN + H2O = LiOH + HN
OH{-} + MnO2 + Pb{4+} = MnO4{-} + Pb{+2} + H2O =>
8 OH{-} + 2 MnO2 + 3 Pb{4+} = 2 MnO4{-} + 3 Pb{+2} + 4 H2O
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