| Équations équilibrées la veille | Équations équilibrées le lendemain |
2 Fe{3+} + Sn = 2 Fe{2+} + Sn{2+}
Cu + H2SO4 + H2O = CuH10O9S + S2O =>
5 Cu + 7 H2SO4 + 18 H2O = 5 CuH10O9S + S2O
K2S + HNO3 = KNO3 + S + NO2 + H2O =>
K2S + 4 HNO3 = 2 KNO3 + S + 2 NO2 + 2 H2O
IO3 + HSO4 = I + SO42 + H =>
38 IO3 + 3 HSO4 = 38 I + 3 SO42 + 3 H
H5O + O5 = H5O2 =>
5 H5O + O5 = 5 H5O2
CaCl2 + (NH4)2C2O4 = Ca(NH4)2 + Cl2C2O4 =>
CaCl2 + (NH4)2C2O4 = Ca(NH4)2 + Cl2C2O4
C11H20O4 + CH2OH = C5H9O2 + C3H8O2 =>
C11H20O4 + 2 CH2OH = 2 C5H9O2 + C3H8O2
CU(NO3)2*3H2O + CaCO3 = CUCO3 + Ca(NO3)2 + H2O =>
CU(NO3)2*3H2O + CaCO3 = CUCO3 + Ca(NO3)2 + 3 H2O
CH3CH2CH(NO2)CH3 + O2 = CO2 + H2O + N2 =>
4 CH3CH2CH(NO2)CH3 + 21 O2 = 16 CO2 + 18 H2O + 2 N2
Cr2 + SnCl4 = CrCl3 + Sn =>
2 Cr2 + 3 SnCl4 = 4 CrCl3 + 3 Sn
Ca + NaI = CaNa + I =>
Ca + NaI = CaNa + I
Ca(NO3)2*4H2O + Na3PO4 = Ca8H2(PO4)6*5H2O + NaNO3 + NaOH + H2O =>
8 Ca(NO3)2*4H2O + 6 Na3PO4 = Ca8H2(PO4)6*5H2O + 16 NaNO3 + 2 NaOH + 25 H2O
CaO + HNO3 = Ca(NO3)2 + H2O =>
CaO + 2 HNO3 = Ca(NO3)2 + H2O
Ca(OH)2 + Ca(NO3)2 = Ca(OH)NO3 =>
Ca(OH)2 + Ca(NO3)2 = 2 Ca(OH)NO3
K2Cr2O7 + HC1 = KC1 + CrC3 + C2 + H2O =>
K2Cr2O7 + 14 HC1 = 2 KC1 + 2 CrC3 + 3 C2 + 7 H2O
SnCl4 + HCl = SnH4 + Cl2 =>
SnCl4 + 4 HCl = SnH4 + 4 Cl2
Fe + S = FeS =>
Fe + S = FeS
HNO3 + CaO = Ca(NO3)2 + H2O =>
2 HNO3 + CaO = Ca(NO3)2 + H2O
Cu2O + H2 = Cu2 + H2O =>
Cu2O + H2 = Cu2 + H2O
C3H6 + HCl = C3H6Cl + H2 =>
2 C3H6 + 2 HCl = 2 C3H6Cl + H2
C4H7O4N + O2 = CO2 + H2O + NH3 =>
C4H7O4N + 3 O2 = 4 CO2 + 2 H2O + NH3
Pb(No3)2 + NH3 + H2O = Pb(OH)2 + NH4No3 =>
Pb(No3)2 + 2 NH3 + 2 H2O = Pb(OH)2 + 2 NH4No3
CH2OHCHCH2 + KMnO4 + H2O = MnO2 + CH2OHCH(OH)CH2(OH) + KOH =>
3 CH2OHCHCH2 + 2 KMnO4 + 4 H2O = 2 MnO2 + 3 CH2OHCH(OH)CH2(OH) + 2 KOH
FeSO4 + K3[Fe(CN)6] = Fe3[Fe(CN)6]2 + K2SO4 =>
3 FeSO4 + 2 K3[Fe(CN)6] = Fe3[Fe(CN)6]2 + 3 K2SO4
Ca(HCO3)2 + C2H4O2 = Ca(C2H3O2)2 + H2O + CO2 =>
Ca(HCO3)2 + 2 C2H4O2 = Ca(C2H3O2)2 + 2 H2O + 2 CO2
H12C6O6 + O2 = CO2 + H2O =>
H12C6O6 + 6 O2 = 6 CO2 + 6 H2O
C10H14O + C7H5ClO3 = C10H14O2 + C7H5ClO2 =>
C10H14O + C7H5ClO3 = C10H14O2 + C7H5ClO2
KOH + H3PO4 = K3PO4 + H2O =>
3 KOH + H3PO4 = K3PO4 + 3 H2O
FeI2 + Na2Co3 = FeCo3 + NaI =>
FeI2 + Na2Co3 = FeCo3 + 2 NaI
Fe2(CO3)3 + Ag = Fe + Ag2(CO3) =>
Fe2(CO3)3 + 6 Ag = 2 Fe + 3 Ag2(CO3)
Au(s) + FeCl3(s) = Fe + AuCl3 =>
Au(s) + FeCl3(s) = Fe + AuCl3
Cu(NH3)4{2+} + HCl = Cu{2+} + NH4Cl =>
Cu(NH3)4{2+} + 4 HCl = Cu{2+} + 4 NH4Cl
FeOHCl2 + HCl = FeCl3 + H2O =>
FeOHCl2 + HCl = FeCl3 + H2O
H2O + C2H6 + K2Cr2O7 = C2H6O2 + Cr2O3 + KOH =>
2 H2O + 3 C2H6 + 2 K2Cr2O7 = 3 C2H6O2 + 2 Cr2O3 + 4 KOH
P2O5 + H2O = H3PO4 =>
P2O5 + 3 H2O = 2 H3PO4
H2CO + H2SO4 + KMnO4 = HCOOH + MnSO4 + K2SO4 + H2O =>
5 H2CO + 3 H2SO4 + 2 KMnO4 = 5 HCOOH + 2 MnSO4 + K2SO4 + 3 H2O
Au2O3 + Pb = Au + PbO =>
Au2O3 + 3 Pb = 2 Au + 3 PbO
NaOH + H2C2O4 = Na + H2O + CO2 =>
2 NaOH + H2C2O4 = 2 Na + 2 H2O + 2 CO2
Cr2Al + O2 = CrO2 + Al =>
Cr2Al + 2 O2 = 2 CrO2 + Al
Ca(NO3)2 + H3PO4 = Ca3(PO4)2 + HNO3 =>
3 Ca(NO3)2 + 2 H3PO4 = Ca3(PO4)2 + 6 HNO3
Si + H2SO4 = SiO2 + H2S =>
2 Si + H2SO4 = 2 SiO2 + H2S
CH4O4 + CH4O = H2O + C3H6O3 =>
CH4O4 + 2 CH4O = 3 H2O + C3H6O3
CuSO4 + Fe = Fe2(SO4)3 + Cu =>
3 CuSO4 + 2 Fe = Fe2(SO4)3 + 3 Cu
C13H23O7N3S + H2O = CO2 + CH4 + NH3 + H2S =>
4 C13H23O7N3S + 26 H2O = 27 CO2 + 25 CH4 + 12 NH3 + 4 H2S
ClO{-} + SO2 + OH{-} = Cl{-} + SO4{2-} + H2O =>
ClO{-} + SO2 + 2 OH{-} = Cl{-} + SO4{2-} + H2O
NaHCO3(s) + H2SO4(ac) = Na2SO4(ac) + CO2(g) + H2O(l) =>
2 NaHCO3(s) + H2SO4(ac) = Na2SO4(ac) + 2 CO2(g) + 2 H2O(l)
Fe + MnO4 = Fe(MnO4)2 =>
Fe + 2 MnO4 = Fe(MnO4)2
Zn + HNO3 = H2O + N2O + Zn(NO3)2 =>
4 Zn + 10 HNO3 = 5 H2O + N2O + 4 Zn(NO3)2
CH3COOK + KOH = K2CO3 + C2H6 + H2 =>
2 CH3COOK + 2 KOH = 2 K2CO3 + C2H6 + H2
*Fe + CuSO4 = *FeSO4 + Cu =>
*Fe + CuSO4 = *FeSO4 + Cu
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Équations équilibrées sur12/17/24
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