| Équations équilibrées la veille | Équations équilibrées le lendemain |
C2H6 + Na = C2H4Na + H2
CaCO3 + HCl = CaCl2 + CO2 + H2O =>
CaCO3 + 2 HCl = CaCl2 + CO2 + H2O
HCl + Ca(OH)2 = CaCl2 + H2O =>
2 HCl + Ca(OH)2 = CaCl2 + 2 H2O
Fe(CH3COO)2 + K2S = FeS + KCH3COO =>
Fe(CH3COO)2 + K2S = FeS + 2 KCH3COO
KI + PbCl2 = PbI + KCl2 =>
KI + PbCl2 = PbI + KCl2
(Cr2O7){-}2 + Br{-} + H{+} = Cr3{+} + H2O + Br2 =>
6(Cr2O7){-}2 + 74 Br{-} + 84 H{+} = 4 Cr3{+} + 42 H2O + 37 Br2
FeCl3Na3PO4 = Fe3(PO4)3 + NaCl =>
3 FeCl3Na3PO4 = Fe3(PO4)3 + 9 NaCl
Sr3(PO4)2 + H2SO4 = SrSO4 + H3PO4 =>
Sr3(PO4)2 + 3 H2SO4 = 3 SrSO4 + 2 H3PO4
Sc(OH)3 + H3PO4 = Sc3(PO4)3 + H2O =>
3 Sc(OH)3 + 3 H3PO4 = Sc3(PO4)3 + 9 H2O
NaSO4 + CuF2 = NaF2 + CuSO4 =>
NaSO4 + CuF2 = NaF2 + CuSO4
NHO3 + CH3COONa = HCOONa + CH3NO3 =>
NHO3 + CH3COONa = HCOONa + CH3NO3
O2(g) + NH3(g) = H2O(g) + N2O5(g) =>
4 O2(g) + 2 NH3(g) = 3 H2O(g) + N2O5(g)
MnSO4 + NaBiO3 + H2SO4 = NaMnO4 + Bi2(SO4)3 + H2O + Na2SO4 =>
4 MnSO4 + 10 NaBiO3 + 14 H2SO4 = 4 NaMnO4 + 5 Bi2(SO4)3 + 14 H2O + 3 Na2SO4
C21H42O + O2 = CO2 + H2O =>
C21H42O + 31 O2 = 21 CO2 + 21 H2O
CuO = Cu2 + O =>
2 CuO = Cu2 + 2 O
C3H8O(l) + O2 = C3 + H2O =>
2 C3H8O(l) + 3 O2 = 2 C3 + 8 H2O
ICl3 + H2O = HCl + HIO3 + I2 =>
5 ICl3 + 9 H2O = 15 HCl + 3 HIO3 + I2
AgF + Na2S = Ag2S + NaF =>
2 AgF + Na2S = Ag2S + 2 NaF
Pb(NO3)2 + KI = PbI2 + KNO3 =>
Pb(NO3)2 + 2 KI = PbI2 + 2 KNO3
AlBr3 + K2SO4 = KBr + Al2(SO4)3 =>
2 AlBr3 + 3 K2SO4 = 6 KBr + Al2(SO4)3
Sc2O3 + (H2O)3 = H6Sc2O6 =>
Sc2O3 + (H2O)3 = H6Sc2O6
KClO4 + I2 + KOH = KCl + KIO + H2O =>
KClO4 + 4 I2 + 8 KOH = KCl + 8 KIO + 4 H2O
SO3 + Na(OH) = Na2SO4 + H2O =>
SO3 + 2 Na(OH) = Na2SO4 + H2O
Fe2O3 = Fe + O2 =>
2 Fe2O3 = 4 Fe + 3 O2
CrP + Ca = Cr + Ca3P2 =>
2 CrP + 3 Ca = 2 Cr + Ca3P2
HCl + KHCO3 = KCl + H2CO3 = H2O + CO2 + KCl =>
HCl + KHCO3 = KCl + H2CO3
C2H4 + O2 = CO2 + H2O =>
C2H4 + 3 O2 = 2 CO2 + 2 H2O
NaFeO2 + HNO3 = Fe(NO3)3 + NaNO3 + H2O =>
NaFeO2 + 4 HNO3 = Fe(NO3)3 + NaNO3 + 2 H2O
Pb(CO3)2 + CH3COOH = Pb(CH3COO)4 + CO2 + H2O =>
Pb(CO3)2 + 4 CH3COOH = Pb(CH3COO)4 + 2 CO2 + 2 H2O
K2Cr2O7 + HCl + H2S = K2S + Cr2S3 + Cl2O7 + H2O =>
8 K2Cr2O7 + 6 HCl + 32 H2S = 8 K2S + 8 Cr2S3 + 3 Cl2O7 + 35 H2O
Fe2S + O2 = FeO + SO2 =>
Fe2S + 2 O2 = 2 FeO + SO2
NiO + Fe = Fe2O3 + Ni =>
3 NiO + 2 Fe = Fe2O3 + 3 Ni
FeSO4 + KMnO4 + H2O = Fe{3+} + OH{-} + MnO2 + SO4{2-} + K{+} =>
3 FeSO4 + KMnO4 + 2 H2O = 3 Fe{3+} + 4 OH{-} + MnO2 + 3 SO4{2-} + K{+}
Cs + O2 = CsO =>
2 Cs + O2 = 2 CsO
H3PO4 + NH3 = (NH4)3PO4 =>
H3PO4 + 3 NH3 = (NH4)3PO4
NO2 + H2O = NH3 + O2 =>
4 NO2 + 6 H2O = 4 NH3 + 7 O2
Pb(NO3)2 + NiBr2 = PbBr2 + Ni(NO3)2 =>
Pb(NO3)2 + NiBr2 = PbBr2 + Ni(NO3)2
FeCl3(aq) + KI(aq) = FeI2(aq) + I2(aq) + KCl(aq) =>
2 FeCl3(aq) + 6 KI(aq) = 2 FeI2(aq) + I2(aq) + 6 KCl(aq)
Cl2(aq) + NaBr(aq) = NaCl + Br2 =>
Cl2(aq) + 2 NaBr(aq) = 2 NaCl + Br2
ZnSO4 + (NH4)2SO4 + H2O = (NH4)2Zn(SO4)2*6H2O =>
ZnSO4 + (NH4)2SO4 + 6 H2O = (NH4)2Zn(SO4)2*6H2O
Ag(s) + AlCl3(aq) = AgCl(s) + Al =>
3 Ag(s) + AlCl3(aq) = 3 AgCl(s) + Al
Fe(NO3)3*9H2O + C6H8O7 = Fe3O4 + H2O + N2 + CO2 =>
54 Fe(NO3)3*9H2O + 46 C6H8O7 = 18 Fe3O4 + 670 H2O + 81 N2 + 276 CO2
NH3 + H2O = NH4OH =>
NH3 + H2O = NH4OH
C2H5 + Cl2 = C2H5Cl =>
2 C2H5 + Cl2 = 2 C2H5Cl
CH2OH(CHOH)4CHO + [Ag(NH3)2]{+} + OH{-}{+} = Ag + CH2OH(CHOH)4COO{-} + NH3 + H2O =>
CH2OH(CHOH)4CHO + 2[Ag(NH3)2]{+} + 3 OH{-}{+} = 2 Ag + CH2OH(CHOH)4COO{-} + 4 NH3 + 2 H2O
[Cd(NH3)4](OH)2 + H2SO4 = CdSO4 + NH3 + NH4OH =>
[Cd(NH3)4](OH)2 + H2SO4 = CdSO4 + 2 NH3 + 2 NH4OH
KNO3 + HCl = KCl + NO3H =>
KNO3 + HCl = KCl + NO3H
HgS + O = HgO + SO2 =>
HgS + 3 O = HgO + SO2
LiI + BaS = LiS + BaI =>
LiI + BaS = LiS + BaI
N + CO2 = NCO2 =>
N + CO2 = NCO2
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| Équations équilibrées la veille | Équations équilibrées le lendemain |
Équations équilibrées sur11/02/24
Équations équilibrées sur12/02/23
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