| Équations équilibrées la veille | Équations équilibrées le lendemain |
NaCrO2 + 2 Br2 + 4 NaOH = 4 NaBr + NaCrO4 + 2 H2O
Zn + H2NO2 = Zn(NO2)2 + H2 =>
Zn + 2 H2NO2 = Zn(NO2)2 + 2 H2
Cu + O2 = CuO =>
2 Cu + O2 = 2 CuO
NaClO3 + HCl = NaOH + Cl2 + O3 =>
3 NaClO3 + 3 HCl = 3 NaOH + 3 Cl2 + 2 O3
NaOH + Cl2 = H2O + NaCl + NaClO3 =>
6 NaOH + 3 Cl2 = 3 H2O + 5 NaCl + NaClO3
K + H + C + O = KHCO3 =>
K + H + C + 3 O = KHCO3
FeCl3 + Be3(PO4)2 = BeCl2 + FePO4 =>
2 FeCl3 + Be3(PO4)2 = 3 BeCl2 + 2 FePO4
N2 + H2 = NH3 =>
N2 + 3 H2 = 2 NH3
Al2O3 + Na2O = NaAlO2 =>
Al2O3 + Na2O = 2 NaAlO2
SO3 + H2SO4 = H2S2O7 =>
SO3 + H2SO4 = H2S2O7
CrO3 + HCl = CrCl6 + H2Cr2O7 =>
7 CrO3 + 6 HCl = CrCl6 + 3 H2Cr2O7
Al2(SO4)3 + NaOH = Al(OH)3 + Na2SO4 =>
Al2(SO4)3 + 6 NaOH = 2 Al(OH)3 + 3 Na2SO4
CuSO4(aq) + Ba(s) = BaSO4(aq) + Cu(s) =>
CuSO4(aq) + Ba(s) = BaSO4(aq) + Cu(s)
K(s) + Cl2(l) = KCl(s) =>
2 K(s) + Cl2(l) = 2 KCl(s)
NH4HCO3 + H3PO4 = (NH4)3PO4 + H2O + CO2 =>
3 NH4HCO3 + H3PO4 = (NH4)3PO4 + 3 H2O + 3 CO2
NH3 + CO2 = CO(NH2)2 + H2O =>
2 NH3 + CO2 = CO(NH2)2 + H2O
C6H8O7 + NaOH = Na3C6H5O7 + H2O =>
C6H8O7 + 3 NaOH = Na3C6H5O7 + 3 H2O
Ca + NiBr2 = Ni + CaBr2 =>
Ca + NiBr2 = Ni + CaBr2
C2H6 + O2 = CO2 + H2O =>
2 C2H6 + 7 O2 = 4 CO2 + 6 H2O
Ag + CuCl2 = Ag2Cl + Cu =>
4 Ag + CuCl2 = 2 Ag2Cl + Cu
Mn(NO3)2 + PbO2 + H2O = HMnO4 + PbO + HNO3 =>
2 Mn(NO3)2 + 5 PbO2 + 3 H2O = 2 HMnO4 + 5 PbO + 4 HNO3
MgBr2 + H2SO4 = MgSO4 + Br2H2 =>
MgBr2 + H2SO4 = MgSO4 + Br2H2
Na3Cr2O7 + HCl = NaCl + CrCl3 + H2O + Cl2 =>
2 Na3Cr2O7 + 28 HCl = 6 NaCl + 4 CrCl3 + 14 H2O + 5 Cl2
(Ag)2O = Ag + O2 =>
2(Ag)2O = 4 Ag + O2
FeSO4 + Na2S2O8 = Fe2(SO4)3 + Na2SO4 =>
2 FeSO4 + Na2S2O8 = Fe2(SO4)3 + Na2SO4
AgNO3 + NH4OH = Ag(NH3)NO3 + H2O =>
AgNO3 + NH4OH = Ag(NH3)NO3 + H2O
C7H6O2 + O2 = CO2 + H2O =>
2 C7H6O2 + 15 O2 = 14 CO2 + 6 H2O
N2(g) + O3(g) = NO2(g) =>
3 N2(g) + 4 O3(g) = 6 NO2(g)
KHC8H4O4 + NaOH = KHOH + NaC8H4O4 =>
KHC8H4O4 + NaOH = KHOH + NaC8H4O4
Mg(s) + HCl(aq) = H2(g) + Mg{2+} + Cl{-}(aq) =>
Mg(s) + 2 HCl(aq) = H2(g) + Mg{2+} + 2 Cl{-}(aq)
SO2 + (NH4)2SO4 = H2S + N2H4 + O2 =>
SO2 + (NH4)2SO4 = 2 H2S + N2H4 + 3 O2
NaCl + HI = HCl + NaI =>
NaCl + HI = HCl + NaI
Mg(NO3)2 + NH4(HCO)3 = Mg(HCO)2 + NH4(NO3)3 =>
3 Mg(NO3)2 + 2 NH4(HCO)3 = 3 Mg(HCO)2 + 2 NH4(NO3)3
CaO + P2O5 = Ca3(PO4)2 =>
3 CaO + P2O5 = Ca3(PO4)2
MgBr2 + H2SO4 = MgSO4 + Br2H2 =>
MgBr2 + H2SO4 = MgSO4 + Br2H2
(NH2)2CO + HCl + H2O = NH4Cl + CO2 =>
(NH2)2CO + 2 HCl + H2O = 2 NH4Cl + CO2
CoI2 + Al(NO3)3 = Co(NO3)2 + AlI3 =>
3 CoI2 + 2 Al(NO3)3 = 3 Co(NO3)2 + 2 AlI3
MgBr2 + H2SO4 = MgSO4 + Br2H2 =>
MgBr2 + H2SO4 = MgSO4 + Br2H2
CH3CH2CH2CH2OH + O2 = CH3CH2CHO + H2O =>
3 CH3CH2CH2CH2OH + 2 O2 = 4 CH3CH2CHO + 3 H2O
I2 + HNO3 = HIO3 + NO2 + H2 =>
I2 + 6 HNO3 = 2 HIO3 + 6 NO2 + 2 H2
MgBr2 + H2SO4 = MgSO4 + Br2H2 =>
MgBr2 + H2SO4 = MgSO4 + Br2H2
Al2(SO4)3 + NaOH = Al(OH)3 + Na2SO4 =>
Al2(SO4)3 + 6 NaOH = 2 Al(OH)3 + 3 Na2SO4
(N2H5)2SO4 + KIO3 + KOH = N2 + KI + K2(SO4) + H2O =>
3(N2H5)2SO4 + 4 KIO3 + 6 KOH = 6 N2 + 4 KI + 3 K2(SO4) + 18 H2O
MgBr2 + H2SO4 = HBr + MgSO4 =>
MgBr2 + H2SO4 = 2 HBr + MgSO4
Na + O2 = Na2O2 =>
2 Na + O2 = Na2O2
Zn(s) + Au2(SO4)3(aq) = Au(s) + ZnSO4(aq) =>
3 Zn(s) + Au2(SO4)3(aq) = 2 Au(s) + 3 ZnSO4(aq)
Al + Cu{+} = Al{+} + Cu =>
Al + Cu{+} = Al{+} + Cu
BaCl2 + H2SO3 = BaSO3 + HCl =>
BaCl2 + H2SO3 = BaSO3 + 2 HCl
H3PO4 + NaOH = Na2(HPO4) + H2O =>
H3PO4 + 2 NaOH = Na2(HPO4) + 2 H2O
CrO4{-2} + Fe(OH)2 + H2O = Cr(OH)3 + Fe(OH)3 + OH{-} =>
CrO4{-2} + 3 Fe(OH)2 + 4 H2O = Cr(OH)3 + 3 Fe(OH)3 + 2 OH{-}
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| Équations équilibrées la veille | Équations équilibrées le lendemain |
Équations équilibrées sur10/15/24
Équations équilibrées sur11/14/23
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