| Équations équilibrées la veille | Équations équilibrées le lendemain |
Pb + 2 HCl = PbCl2 + H2
K2O + H2O = K2H2O + O2 =>
2 K2O + 2 H2O = 2 K2H2O + O2
K3[Al(OH)6] + HCl = Al(OH)3 + KCl + H2O =>
K3[Al(OH)6] + 3 HCl = Al(OH)3 + 3 KCl + 3 H2O
KI2 + Pb(NO3)2 = KNO3 + Pb(I2)2 =>
2 KI2 + Pb(NO3)2 = 2 KNO3 + Pb(I2)2
HgO = Hg + O2 =>
2 HgO = 2 Hg + O2
H2O + CH2 = CH3OH =>
H2O + CH2 = CH3OH
Cr(NO3)2 + NaOH = Cr(OH)2 + NaNO3 =>
Cr(NO3)2 + 2 NaOH = Cr(OH)2 + 2 NaNO3
Pb + NaOH + H2O = Na4[Pb(OH)6] + H2 =>
Pb + 4 NaOH + 2 H2O = Na4[Pb(OH)6] + H2
HCl + KMnO4 + H2C2O4 = CO2 + MnO2 + KCl + H2O =>
2 HCl + 2 KMnO4 + 3 H2C2O4 = 6 CO2 + 2 MnO2 + 2 KCl + 4 H2O
POCl3 + H2O = PO5H5 + HCl =>
POCl3 + 4 H2O = PO5H5 + 3 HCl
Fe + KI = FeI3 + K =>
Fe + 3 KI = FeI3 + 3 K
Na2CO3(aq) + Ca(NO3)2(aq) = CaCO3(aq) + NaNO3(aq) =>
Na2CO3(aq) + Ca(NO3)2(aq) = CaCO3(aq) + 2 NaNO3(aq)
K2Cr2O7 + I2 + H2SO4 = Cr2(SO4)3 + KIO3 + H2O + K2SO4 =>
5 K2Cr2O7 + 3 I2 + 17 H2SO4 = 5 Cr2(SO4)3 + 6 KIO3 + 17 H2O + 2 K2SO4
MnO4{-} + C2H5OH = MnO2 + CH3COO{-} + H2O + OH{-} =>
4 MnO4{-} + 3 C2H5OH = 4 MnO2 + 3 CH3COO{-} + 4 H2O + OH{-}
Cu(CH3COO)2 + NaHSO4 = Na2SO4 + CH3COOH + CuSO4 =>
Cu(CH3COO)2 + 2 NaHSO4 = Na2SO4 + 2 CH3COOH + CuSO4
NO + F2 = NOF =>
2 NO + F2 = 2 NOF
CuCl2 + NaF = CuF2 + NaCl =>
CuCl2 + 2 NaF = CuF2 + 2 NaCl
KMnO4 + NaOH = O2 + K2MnO4 + Na2MnO4 + H2O =>
4 KMnO4 + 4 NaOH = O2 + 2 K2MnO4 + 2 Na2MnO4 + 2 H2O
NaCl + HNO3 = HCl + NaNO3 =>
NaCl + HNO3 = HCl + NaNO3
SO3 + H2O = H2SO4 =>
SO3 + H2O = H2SO4
CH3CH2CH2NH3 + H2O = CH3CH2CH2NH2 + H3O =>
CH3CH2CH2NH3 + H2O = CH3CH2CH2NH2 + H3O
RuO + SO3 = RuS + O2 =>
RuO + SO3 = RuS + 2 O2
Al(C2H3O2) + Ba(NO3) = Ba(C2H3O2) + Al(NO3) =>
Al(C2H3O2) + Ba(NO3) = Ba(C2H3O2) + Al(NO3)
Mg(s) + NaCl(aq) = Na + MgCl2 =>
Mg(s) + 2 NaCl(aq) = 2 Na + MgCl2
KMnO4 + H2SO4 + NH3 = K2SO4 + MnSO4 + H2O + NO2 =>
14 KMnO4 + 21 H2SO4 + 10 NH3 = 7 K2SO4 + 14 MnSO4 + 36 H2O + 10 NO2
KI2 + Pb(NO3)2 = KNO3 + Pb(I2)2 =>
2 KI2 + Pb(NO3)2 = 2 KNO3 + Pb(I2)2
K2Cr2O7 + FeS + H2SO4 = K2SO4 + Cr2(SO4)3 + Fe2(SO4)3 + H2O =>
3 K2Cr2O7 + 2 FeS + 13 H2SO4 = 3 K2SO4 + 3 Cr2(SO4)3 + Fe2(SO4)3 + 13 H2O
(NH4)2SO4 + NaC2H3O2 = NH4C2H3O2 + Na2SO4 =>
(NH4)2SO4 + 2 NaC2H3O2 = 2 NH4C2H3O2 + Na2SO4
C6H5OHCOOH(aq) + CH3OH(aq) = CH3OCOC6H4OH(aq) + H2O(l) =>
14 C6H5OHCOOH(aq) + 6 CH3OH(aq) = 13 CH3OCOC6H4OH(aq) + 9 H2O(l)
ZnO + SrO = SrZnO2 =>
ZnO + SrO = SrZnO2
NaI + K2CrO4 + HCl = I2 + CrCl3 + NaCl + KCl + H2O =>
6 NaI + 2 K2CrO4 + 16 HCl = 3 I2 + 2 CrCl3 + 6 NaCl + 4 KCl + 8 H2O
K2MnO4 + Cl2 = KMnO4 + KCl =>
2 K2MnO4 + Cl2 = 2 KMnO4 + 2 KCl
Mg + HNO3 = Mg(NO3)2 + H2 =>
Mg + 2 HNO3 = Mg(NO3)2 + H2
KMnO4 + NaOH = O2 + K2MnO4 + Na2MnO4 + H2O =>
4 KMnO4 + 4 NaOH = O2 + 2 K2MnO4 + 2 Na2MnO4 + 2 H2O
C5H10 + O2 = C2O + H2O =>
4 C5H10 + 15 O2 = 10 C2O + 20 H2O
CH3Cl + Br2 = CH3Br + Cl =>
2 CH3Cl + Br2 = 2 CH3Br + 2 Cl
Cu + Pb{2+} = Cu{+} + Pb =>
2 Cu + Pb{2+} = 2 Cu{+} + Pb
Hg + ZnCl2 = HgCl + Zn =>
2 Hg + ZnCl2 = 2 HgCl + Zn
C2H2 + O2 = CO2 + H2O =>
2 C2H2 + 5 O2 = 4 CO2 + 2 H2O
Br2 + KCI = KBr + CI =>
Br2 + 2 KCI = 2 KBr + 2 CI
C8H7O2Na + NaOH = C6H6 + CH2Na2CO3 =>
C8H7O2Na + NaOH = C6H6 + CH2Na2CO3
KIO3 + Cl2 + KOH = K5IO6 + HCl + H2O =>
KIO3 + Cl2 + 4 KOH = K5IO6 + 2 HCl + H2O
BaCl2 + Na2CO3 = NaCl + BaCO3 =>
BaCl2 + Na2CO3 = 2 NaCl + BaCO3
Cr(CO3)3 = CrO3 + CO2 =>
Cr(CO3)3 = CrO3 + 3 CO2
Br2 + Ba = BaBr =>
Br2 + 2 Ba = 2 BaBr
Ba + Be = BaBe =>
Ba + Be = BaBe
K2Cr2O7 + FeO + H2SO4 = K2SO4 + Cr2(SO4)3 + Fe(SO4)3 + H2O =>
2 K2Cr2O7 + 3 FeO + 17 H2SO4 = 2 K2SO4 + 2 Cr2(SO4)3 + 3 Fe(SO4)3 + 17 H2O
Al(OH)3 + H2 = Al(H2O) + H2O =>
2 Al(OH)3 + 3 H2 = 2 Al(H2O) + 4 H2O
VCl2 + NaOH = V(OH)2 + NaCl =>
VCl2 + 2 NaOH = V(OH)2 + 2 NaCl
KMnO4 + H2SO4 + NH3 = K2SO4 + MnSO4 + H2O + NO2 =>
14 KMnO4 + 21 H2SO4 + 10 NH3 = 7 K2SO4 + 14 MnSO4 + 36 H2O + 10 NO2
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| Équations équilibrées la veille | Équations équilibrées le lendemain |
Équations équilibrées sur11/22/23
Équations équilibrées sur12/22/22
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