| Équations équilibrées la veille | Équations équilibrées le lendemain |
Cr2O3 + Na2CO3 + 4 KNO3 = 2 NaCrO4 + CO2 + 4 KNO2
NaCI + F2 = CI + NaF =>
2 NaCI + F2 = 2 CI + 2 NaF
Al + NaOH + H2O = Na[Al(OH)4(OH)2] + H2 =>
2 Al + 2 NaOH + 10 H2O = 2 Na[Al(OH)4(OH)2] + 5 H2
KI(ac) + AgNO3(ac) + NH4OH(ac) = AgI(s) + KOH(ac) + NH4NO3(ac) =>
KI(ac) + AgNO3(ac) + NH4OH(ac) = AgI(s) + KOH(ac) + NH4NO3(ac)
C2H5OH + NaBr = C2H5Br + NaOH =>
C2H5OH + NaBr = C2H5Br + NaOH
C + HNO3 = NO + CO3 + H2O =>
C + 2 HNO3 = 2 NO + CO3 + H2O
NaOCH3 + H2O = NaOH + CH4 + O2 =>
2 NaOCH3 + 2 H2O = 2 NaOH + 2 CH4 + O2
NaBiO3 + KI + HNO3 = Bi(NO3)3 + I2 + NaNO3 + H2O + KNO3 =>
NaBiO3 + 2 KI + 6 HNO3 = Bi(NO3)3 + I2 + NaNO3 + 3 H2O + 2 KNO3
HCl(aq) + NaCO3(aq) = HCO3(aq) + NaCl =>
HCl(aq) + NaCO3(aq) = HCO3(aq) + NaCl
Au2(CrO4)3 + MgCl2 = AuCl3 + MgCrO4 =>
Au2(CrO4)3 + 3 MgCl2 = 2 AuCl3 + 3 MgCrO4
Ca + H3PO4 = Ca(H2PO4)3 + P2O3 + H2O =>
4 Ca + 18 H3PO4 = 4 Ca(H2PO4)3 + 3 P2O3 + 15 H2O
MgO + Nb2O5 = MgNb2O6 =>
MgO + Nb2O5 = MgNb2O6
NaOH + Cl + Ca(OH)2 = Ca(ClO)2 + NaCl + H2O =>
2 NaOH + 4 Cl + Ca(OH)2 = Ca(ClO)2 + 2 NaCl + 2 H2O
KAlO2 + H2SO4 = K2SO4 + Al2(SO4)3 + H2O =>
2 KAlO2 + 4 H2SO4 = K2SO4 + Al2(SO4)3 + 4 H2O
Pb(NO3)2 + NaI = PbI2(s) + NaNO3 =>
Pb(NO3)2 + 2 NaI = PbI2(s) + 2 NaNO3
Fe(OH)3 + H2O + Na2O = Na4Fe(OH)7 =>
Fe(OH)3 + 2 H2O + 2 Na2O = Na4Fe(OH)7
Ca(oh)2 + (NH4)SO4 = CaSO4 + NH3 + H2 =>
Ca(oh)2 + 2(NH4)SO4 = 2 CaSO4 + 2 NH3 + H2
CO2 + Ca(OH)2 = Ca(CO3)2 + H2 =>
2 CO2 + Ca(OH)2 = Ca(CO3)2 + H2
Fe + H2SO4 = H2O + H2S + FeSO4 =>
4 Fe + 5 H2SO4 = 4 H2O + H2S + 4 FeSO4
Co2(SO4)3 + NaOH + C12H22O11 = Co3O4 + Na2SO4 + C6H12O7 + H2O =>
6 Co2(SO4)3 + 36 NaOH + C12H22O11 = 4 Co3O4 + 18 Na2SO4 + 2 C6H12O7 + 17 H2O
C8H8O3 + HCl + NaOH = C8H7O2Na + H2O + Cl =>
C8H8O3 + 2 HCl + NaOH = C8H7O2Na + 2 H2O + 2 Cl
HBr(aq) + Li2CO3(aq) = H2CO3 + LiBr =>
2 HBr(aq) + Li2CO3(aq) = H2CO3 + 2 LiBr
(NH2)2CO = NH2 + CO =>
(NH2)2CO = 2 NH2 + CO
NH3 + O2 = NO + H2O =>
4 NH3 + 5 O2 = 4 NO + 6 H2O
MgCl2 + Na2HPO4 = MgHPO4 + NaCl =>
MgCl2 + Na2HPO4 = MgHPO4 + 2 NaCl
MnO4{-} + H{+} + Br{-} = Mn{+} + Br2 + H2O =>
MnO4{-} + 8 H{+} + 6 Br{-} = Mn{+} + 3 Br2 + 4 H2O
CF4 + Br2 = CBr4 + F2 =>
CF4 + 2 Br2 = CBr4 + 2 F2
Mg + HNO3 = Mg(NO3)2 + H =>
Mg + 2 HNO3 = Mg(NO3)2 + 2 H
H{+} + S2O3{2-} = SO2 + S + H2O =>
2 H{+} + S2O3{2-} = SO2 + S + H2O
SO2(g) + KOH(ac) = K2SO3(ac) + H2O(i) =>
SO2(g) + 2 KOH(ac) = K2SO3(ac) + H2O(i)
NH3 + O2 = N2 + H2O =>
4 NH3 + 3 O2 = 2 N2 + 6 H2O
Uuo + O2 = UuoO =>
2 Uuo + O2 = 2 UuoO
H3C6H5O7H2O + CaCO3 = Ca3(C6H5O7)2 + H2O + CO2 =>
2 H3C6H5O7H2O + 3 CaCO3 = Ca3(C6H5O7)2 + 5 H2O + 3 CO2
MnO4 + C2O4{-2} + H{+} = Mn{+2} + CO2 + H2O =>
MnO4 + 3 C2O4{-2} + 8 H{+} = Mn{+2} + 6 CO2 + 4 H2O
ClO{2–} + Fe{3+} + OH{-} = ClO4{-} + Fe{2+} + H2O =>
ClO{2–} + 3 Fe{3+} + 6 OH{-} = ClO4{-} + 3 Fe{2+} + 3 H2O
C9H18O + O2 = CO2 + H2O =>
C9H18O + 13 O2 = 9 CO2 + 9 H2O
CaO2 + CO2 = CaCO4 =>
CaO2 + CO2 = CaCO4
K2SO4 + BaCI2 = K2Ba + CI2SO4 =>
K2SO4 + BaCI2 = K2Ba + CI2SO4
H2S2O7 + Zn = H2S + ZnS2O7 + H2O =>
9 H2S2O7 + 8 Zn = 2 H2S + 8 ZnS2O7 + 7 H2O
CO2 + H2O = C6H12O6 + O3 =>
6 CO2 + 6 H2O = C6H12O6 + 4 O3
H2O2 + KI = I + KOH =>
H2O2 + 2 KI = 2 I + 2 KOH
CuO2 + Ca = CaO2 + Cu =>
CuO2 + Ca = CaO2 + Cu
Na2CrO4 + AlBr3 = Al2(CrO4)3 + NaBr =>
3 Na2CrO4 + 2 AlBr3 = Al2(CrO4)3 + 6 NaBr
Na2O + H2SO4 = Na2SO4H2O =>
Na2O + H2SO4 = Na2SO4H2O
HClO3 + NaI + H2O = Cl2 + I2 + NaOH =>
2 HClO3 + 10 NaI + 4 H2O = Cl2 + 5 I2 + 10 NaOH
Ca(HCO3)2 = Ca + H + C + O =>
Ca(HCO3)2 = Ca + 2 H + 2 C + 6 O
H2O + LaO = H2 + La(OH)3 =>
4 H2O + 2 LaO = H2 + 2 La(OH)3
MgSO4H2O + CaCl2H2O = CaSO4 + MgCl2 + H2O =>
MgSO4H2O + CaCl2H2O = CaSO4 + MgCl2 + 2 H2O
(NH4)Br + FeI2 = FeBr2 + (NH4)I =>
2(NH4)Br + FeI2 = FeBr2 + 2(NH4)I
Mg + Al(No2)3 = Mg(No3)2 + Al =>
Mg + Al(No2)3 = Mg(No3)2 + Al
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Équations équilibrées sur12/12/24
Équations équilibrées sur01/11/24
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