| Équations équilibrées la veille |
2 Fe(NO3)3 + 3 K2CrO4 = Fe2(CrO4)3 + 6 K + 6 NO3
Al + CuCl = AlCl3 + Cu =>
Al + 3 CuCl = AlCl3 + 3 Cu
Ni + I2 = NiI2 =>
Ni + I2 = NiI2
C2H6 + Al2O3 = C2H6Al3 + O2 =>
4 C2H6 + 6 Al2O3 = 4 C2H6Al3 + 9 O2
CaO + Al = CaAl2 + AlO =>
CaO + 3 Al = CaAl2 + AlO
H2PtCl6 + NaBH4 + H2O = Pt + NaCl + H3BO3 + H2 =>
H2PtCl6 + 6 NaBH4 + 18 H2O = Pt + 6 NaCl + 6 H3BO3 + 22 H2
NiHPO4 + H2 = Ni2P + H2O + H3PO4 =>
4 NiHPO4 + 9 H2 = 2 Ni2P + 8 H2O + 2 H3PO4
Mg + (HC2H3O2)2 = MgC2O2 + H2 =>
2 Mg + (HC2H3O2)2 = 2 MgC2O2 + 4 H2
H2O + NH3(aq) = NH4 + OH =>
H2O + NH3(aq) = NH4 + OH
Hg + H2CrO4 = H2 + HgCrO4 =>
Hg + H2CrO4 = H2 + HgCrO4
NaOCl + CaSO4 = Na2SO4 + Ca(OCl)2 =>
2 NaOCl + CaSO4 = Na2SO4 + Ca(OCl)2
Al2(SO4)3 + Ca(OH)2 = Al(OH)3 + CaSO4 =>
Al2(SO4)3 + 3 Ca(OH)2 = 2 Al(OH)3 + 3 CaSO4
Mg + O2 = MgO =>
2 Mg + O2 = 2 MgO
C15H31COOH + Mg = (C15H31COO)Mg + H2 =>
2 C15H31COOH + 2 Mg = 2(C15H31COO)Mg + H2
Na2Al2O4 + Ca(HCO3)2 + H2O = Al(OH)3 + CaCO3 + NaHCO3 =>
Na2Al2O4 + 2 Ca(HCO3)2 + 2 H2O = 2 Al(OH)3 + 2 CaCO3 + 2 NaHCO3
(NH4)3PO4 = H3 + PO4 + NH3 =>
(NH4)3PO4 = H3 + PO4 + 3 NH3
CH3COOH + CaCO3 = H2O + (CH3COO)2Ca + CO2 =>
2 CH3COOH + CaCO3 = H2O + (CH3COO)2Ca + CO2
Na + H2O = H2 + NaOH =>
2 Na + 2 H2O = H2 + 2 NaOH
Cl2 + BrO4 = ClO + Br =>
2 Cl2 + BrO4 = 4 ClO + Br
NO2{-} + I2{-} + H{+} = NO + I2 + H2O =>
NO2{-} + I2{-} + 2 H{+} = NO + I2 + H2O
HNO3 + Mg(HCO3)2 = Mg(NO3)2 + H(HCO3) =>
2 HNO3 + Mg(HCO3)2 = Mg(NO3)2 + 2 H(HCO3)
Ni(H2O)6Cl2 + NH3 = Ni(NH3)6Cl2 + H2O =>
Ni(H2O)6Cl2 + 6 NH3 = Ni(NH3)6Cl2 + 6 H2O
C6H12O6 + H2O = C3H8O3 + O2 =>
C6H12O6 + 2 H2O = 2 C3H8O3 + O2
C2H4 + J2 = C2H4J2 =>
C2H4 + J2 = C2H4J2
H2S + SO2 = S8 + H2O =>
16 H2S + 8 SO2 = 3 S8 + 16 H2O
MgCl2 + CO3 = MgCO3 + Cl =>
MgCl2 + CO3 = MgCO3 + 2 Cl
HBr + SO3 = SO2 + Br + H2O =>
2 HBr + SO3 = SO2 + 2 Br + H2O
Li + AlCl3 = LiCl + Al =>
3 Li + AlCl3 = 3 LiCl + Al
C4H8O2 + H2O = C2H6O + C2H4O2 =>
C4H8O2 + H2O = C2H6O + C2H4O2
C7H4NO4Na + H2SO4 = C7H5NO4 + NaHSO4 =>
C7H4NO4Na + H2SO4 = C7H5NO4 + NaHSO4
Fe + OH = Fe3O4 + H2O =>
3 Fe + 8 OH = Fe3O4 + 4 H2O
CH3CH(Br)CH3 = CH3CHCH2 + HBr =>
CH3CH(Br)CH3 = CH3CHCH2 + HBr
N2H4(l) + O2(g) = N2(g) + H2O =>
N2H4(l) + O2(g) = N2(g) + 2 H2O
S8 + F2 = SF6 =>
S8 + 24 F2 = 8 SF6
Cu(CO3)2 + (CuOH)2 = H2O + CO2 + CuO =>
Cu(CO3)2 + (CuOH)2 = H2O + 2 CO2 + 3 CuO
CaCO3 + NaNO3 + HNO3 = Ca(NO3)2 + NaHCO3 =>
CaCO3 + NaNO3 + HNO3 = Ca(NO3)2 + NaHCO3
H2 + F2 = HF =>
H2 + F2 = 2 HF
Cl2O7 = Cl2 + O2 =>
2 Cl2O7 = 2 Cl2 + 7 O2
FeS + NO3 = Fe + SO2 + NO =>
FeS + NO3 = Fe + SO2 + NO
X + e = X{-} =>
X + e = X{-}
C2O4H2 + NaOH = C2O4Na2 + H2O =>
C2O4H2 + 2 NaOH = C2O4Na2 + 2 H2O
Cr + H2SO4 = Cr2(SO4)3 + SO2 + H2O =>
2 Cr + 6 H2SO4 = Cr2(SO4)3 + 3 SO2 + 6 H2O
HBrO3(aq) + CaCO3(s) = Ca(BrO3)2(s) + H2CO3(aq) =>
2 HBrO3(aq) + CaCO3(s) = Ca(BrO3)2(s) + H2CO3(aq)
HCl + NaOH = NaCl + H2O =>
HCl + NaOH = NaCl + H2O
C6H12O6 + O2 = CO2 + H2O =>
C6H12O6 + 6 O2 = 6 CO2 + 6 H2O
H2CCO + O2 = H2O + CO2 =>
H2CCO + 2 O2 = H2O + 2 CO2
Fe + O2 = Fe2O3 =>
4 Fe + 3 O2 = 2 Fe2O3
(CH3)2CHCH2COOH + H2O = (CH3)2CHCH2COO + H3O =>
(CH3)2CHCH2COOH + H2O = (CH3)2CHCH2COO + H3O
C9H8O4 + H2O = C9H7O4{-} + H3O{+} =>
C9H8O4 + H2O = C9H7O4{-} + H3O{+}
U3Si2 + Zr = U + ZrSi2 =>
U3Si2 + Zr = 3 U + ZrSi2
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