| Équations équilibrées la veille | Équations équilibrées le lendemain |
2 NH3 + 2 Na = 2 NaNH2 + H2
FeBr3 = Fe + Br =>
FeBr3 = Fe + 3 Br
K2Zn3(Fe(CN)6)2 + Na2S2O3 = K2S2(Fe(CN)6)2 + Na2Zn3O3 =>
K2Zn3(Fe(CN)6)2 + Na2S2O3 = K2S2(Fe(CN)6)2 + Na2Zn3O3
H2S(g) + CdCl2 = CdS(s) + HCl(aq) =>
H2S(g) + CdCl2 = CdS(s) + 2 HCl(aq)
Na + H2O = NaOH + H2 =>
2 Na + 2 H2O = 2 NaOH + H2
Na2CO3(s) + CH3COOH(aq) = NaCH3COO(aq) + H2O(l) + CO2(g) =>
Na2CO3(s) + 2 CH3COOH(aq) = 2 NaCH3COO(aq) + H2O(l) + CO2(g)
CH3CH2OHCH3CH2COOH = CH3CH2COOCH2CH3H2O =>
CH3CH2OHCH3CH2COOH = CH3CH2COOCH2CH3H2O
N2H5Cl + H2O2 = N2O + H2O + HCl =>
N2H5Cl + 3 H2O2 = N2O + 5 H2O + HCl
CH2 + HBr = CH3CH2Br =>
2 CH2 + HBr = CH3CH2Br
S2O3{2-} + ClO2{-} + H2O = Cl{-} + SO4{2-} + H{+} =>
S2O3{2-} + 2 ClO2{-} + H2O = 2 Cl{-} + 2 SO4{2-} + 2 H{+}
Na3PO4 + HCl = NaCl + H3PO4 =>
Na3PO4 + 3 HCl = 3 NaCl + H3PO4
PO4{-3} + (NH4)2MoO4 + HNO3 = (NH4)3[P(Mo2O7)6] + NO3{-} + NH4NO3 + H2O =>
2 PO4{-3} + 24(NH4)2MoO4 + 50 HNO3 = 2(NH4)3[P(Mo2O7)6] + 6 NO3{-} + 43 NH4NO3 + 23 H2O
Li2S2O7 + Ni2(CO3)3 = Li2CO3 + Ni2(S2O7)3 =>
3 Li2S2O7 + Ni2(CO3)3 = 3 Li2CO3 + Ni2(S2O7)3
NH3 + H2O = NH4OH =>
NH3 + H2O = NH4OH
HCl + Al(OH)3 = H + AlCl3 + (OH)3 =>
3 HCl + Al(OH)3 = 3 H + AlCl3 + (OH)3
KI(s) = K + I =>
KI(s) = K + I
Al2Si2O5(OH)4 + HF = AlF3 + H2O + SiF4 =>
Al2Si2O5(OH)4 + 14 HF = 2 AlF3 + 9 H2O + 2 SiF4
HCl + Na2S2O3 = NaCl + SO2 + H2O + S =>
2 HCl + Na2S2O3 = 2 NaCl + SO2 + H2O + S
Al2Si2O5(OH)4 + HF = AlF3 + H2O + SiF4 =>
Al2Si2O5(OH)4 + 14 HF = 2 AlF3 + 9 H2O + 2 SiF4
(CuOH)2SO4 = CuSO4 + CuO + H2O =>
(CuOH)2SO4 = CuSO4 + CuO + H2O
Be + HI = BeI + H2 =>
2 Be + 2 HI = 2 BeI + H2
CaO + CuSO4*5H2O = H2O + Cu(OH)2 + CaSO4*2H2O =>
CaO + CuSO4*5H2O = 2 H2O + Cu(OH)2 + CaSO4*2H2O
KI + K2Cr2O7 + H2SO4 + CHCl3 = I2CHCl3 + K2SO4 + Cr2(SO4)3 + H2O =>
6 KI + K2Cr2O7 + 7 H2SO4 + 3 CHCl3 = 3 I2CHCl3 + 4 K2SO4 + Cr2(SO4)3 + 7 H2O
Al + Cl2 = AlCl3 =>
2 Al + 3 Cl2 = 2 AlCl3
NH4 + F = NH3 + HF =>
NH4 + F = NH3 + HF
Cr2(SO4)3 + KMnO4 + KOH = K2CrO4 + K2MnO4 + K2SO4 + H2O =>
Cr2(SO4)3 + 6 KMnO4 + 16 KOH = 2 K2CrO4 + 6 K2MnO4 + 3 K2SO4 + 8 H2O
CaO + KOH = Ca(OH)2 + K2O =>
CaO + 2 KOH = Ca(OH)2 + K2O
H3PO4 + KNO3 = HNO3 + K3PO4 =>
H3PO4 + 3 KNO3 = 3 HNO3 + K3PO4
CH3OC6H5 + CH3COCl = C9H10O2 + HCl =>
CH3OC6H5 + CH3COCl = C9H10O2 + HCl
K2Cr2O7 + SnCl2 + HCl = H2(SnCl6) + CrCl3 + KCl + H2O =>
K2Cr2O7 + 3 SnCl2 + 20 HCl = 3 H2(SnCl6) + 2 CrCl3 + 2 KCl + 7 H2O
MgCl2 + CaI2 = MgCa + ClI =>
MgCl2 + CaI2 = MgCa + 2 ClI
I{-} + H{+} + Cr2O72{-} = Cr + I + H2O =>
143 I{-} + 144 H{+} + Cr2O72{-} = 2 Cr + 143 I + 72 H2O
Nb2O5 + Cl2 + C = NbCl5 + CO2 =>
2 Nb2O5 + 10 Cl2 + 5 C = 4 NbCl5 + 5 CO2
COOHCH3COOH + C2H5OH = CH3COOC2H5 + H2O =>
4 COOHCH3COOH + 12 C2H5OH = 9 CH3COOC2H5 + 10 H2O
C2O4H2 + FeSO4*7H2O = FeC2O4*2H2O + H2SO4 + H2O =>
C2O4H2 + FeSO4*7H2O = FeC2O4*2H2O + H2SO4 + 5 H2O
Fe(CN)6{3-} + Re + OH{-} = Fe(CN)6{-4} + ReO4{-} + H2O =>
7 Fe(CN)6{3-} + Re + 8 OH{-} = 7 Fe(CN)6{-4} + ReO4{-} + 4 H2O
Cr6 + SnCl4 = CrCl3 + Sn4 =>
8 Cr6 + 36 SnCl4 = 48 CrCl3 + 9 Sn4
C18H36O2 + NaOH = C17H35COONa + H2O =>
C18H36O2 + NaOH = C17H35COONa + H2O
Fe2(SO4)3 + K3[Fe(Cn)6] = Fe[Fe(Cn)6] + K2SO4 =>
Fe2(SO4)3 + 2 K3[Fe(Cn)6] = 2 Fe[Fe(Cn)6] + 3 K2SO4
FeO + HCl = FeCl2 + H2O =>
FeO + 2 HCl = FeCl2 + H2O
*2Na*2H2O = NaOH + H2 =>
*2Na*2H2O = 2 NaOH + H2
P2O5 + LiOH = LiPO3 + H2O =>
P2O5 + 2 LiOH = 2 LiPO3 + H2O
Cu(NO3)2(aq) + NaOH(aq) = Cu(OH)2(s) + Na(NO3)(aq) =>
Cu(NO3)2(aq) + 2 NaOH(aq) = Cu(OH)2(s) + 2 Na(NO3)(aq)
Co(NH3)2Cl2 + NH4Cl + O2 = [Co(NH3)3Cl2]Cl + H2O =>
4 Co(NH3)2Cl2 + 4 NH4Cl + O2 = 4[Co(NH3)3Cl2]Cl + 2 H2O
Fe + (NO3)3 + Ca(OH)2 = Fe(OH)3 + Ca(NO3)2 =>
2 Fe + 2(NO3)3 + 3 Ca(OH)2 = 2 Fe(OH)3 + 3 Ca(NO3)2
(NH4)2CrO4 + Co(C2H3O2)3 = Co2(CrO4)3 + NH4C2H3O2 =>
3(NH4)2CrO4 + 2 Co(C2H3O2)3 = Co2(CrO4)3 + 6 NH4C2H3O2
ZnPb{2+} = Zn + Pb{2+} =>
ZnPb{2+} = Zn + Pb{2+}
F2 + HCl = Cl + HF =>
F2 + 2 HCl = 2 Cl + 2 HF
Ba(NO2)2 + KMnO4 + H2O = MnO2 + KOH + Ba(NO3)2 =>
3 Ba(NO2)2 + 4 KMnO4 + 2 H2O = 4 MnO2 + 4 KOH + 3 Ba(NO3)2
K4[Mn(CN)6] + H2O + O2 = K3[Mn(CN)6] + KOH =>
4 K4[Mn(CN)6] + 2 H2O + O2 = 4 K3[Mn(CN)6] + 4 KOH
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Équations équilibrées sur11/22/24
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