| Équations équilibrées la veille | Équations équilibrées le lendemain |
2 Cl + Zn(NO2)2 = Zn + 2 Cl(NO2)
O2(g) + C6H8(l) = CO2(g) + H2O(g) =>
8 O2(g) + C6H8(l) = 6 CO2(g) + 4 H2O(g)
AlCe3 + KOH = Al(OH)3 + KCe =>
AlCe3 + 3 KOH = Al(OH)3 + 3 KCe
BaSO4 + Cl2 = BaCl2 + SO4 =>
BaSO4 + Cl2 = BaCl2 + SO4
Hg2Cl2 + NH4OH = Hg2OH + NH4Cl2 =>
Hg2Cl2 + NH4OH = Hg2OH + NH4Cl2
H2CO3(aq) + Mg(OH)2(s) = H2O(l) + MgCO3 =>
H2CO3(aq) + Mg(OH)2(s) = 2 H2O(l) + MgCO3
AgNO3 + H3PO4 = Ag3PO4 + HNO3 =>
3 AgNO3 + H3PO4 = Ag3PO4 + 3 HNO3
Fe(NO3)3 + K2SO3 + H2O = Fe(OH)3 + KNO3 + SO2 =>
2 Fe(NO3)3 + 3 K2SO3 + 3 H2O = 2 Fe(OH)3 + 6 KNO3 + 3 SO2
[NH4]2HPO4 + NaOH = NH3 + H2O + Na3PO4 =>
[NH4]2HPO4 + 3 NaOH = 2 NH3 + 3 H2O + Na3PO4
HBr + PbO2 = PbBr2 + HBrO3 + H2O =>
7 HBr + 3 PbO2 = 3 PbBr2 + HBrO3 + 3 H2O
HI + HNO2 = NO + I2 + H2O =>
2 HI + 2 HNO2 = 2 NO + I2 + 2 H2O
Pd{2+} + Ag = Pd + Ag{+} =>
Pd{2+} + 2 Ag = Pd + 2 Ag{+}
LiI = Li + I2 =>
2 LiI = 2 Li + I2
MgSO4 + BaCI2 = MgCI2 + BaSO4 =>
MgSO4 + BaCI2 = MgCI2 + BaSO4
KOH + Al2(SO4)3 = K(SO4)3 + Al2(OH) =>
KOH + Al2(SO4)3 = K(SO4)3 + Al2(OH)
C7H5BrO2 + CuO = CO2 + H2O + Br2O + Cu =>
2 C7H5BrO2 + 30 CuO = 14 CO2 + 5 H2O + Br2O + 30 Cu
CaCl2(aq) + NaHCO3(aq) = CaCO3(s) + NaCl(aq) + H2O(e) + CO2(g) =>
CaCl2(aq) + 2 NaHCO3(aq) = CaCO3(s) + 2 NaCl(aq) + H2O(e) + CO2(g)
CuFeS2 + FeCl3 = CuCl + FeCl2 + S =>
CuFeS2 + 3 FeCl3 = CuCl + 4 FeCl2 + 2 S
TiO2 + NaOH = Ti(OH)4 + Na2O =>
TiO2 + 4 NaOH = Ti(OH)4 + 2 Na2O
[Co(NH3)6]Cl2 + H2O2 + NH4Cl = [Co(NH3)6]Cl3 + NH4OH =>
2[Co(NH3)6]Cl2 + H2O2 + 2 NH4Cl = 2[Co(NH3)6]Cl3 + 2 NH4OH
CrCl2 + (NH4)2CO3 = CrCO3 + (NH4)2Cl2 =>
CrCl2 + (NH4)2CO3 = CrCO3 + (NH4)2Cl2
[Co(NH3)6]Cl2 + H2O2 + NH4Cl = [Co(NH3)6]Cl3 + NH4OH =>
2[Co(NH3)6]Cl2 + H2O2 + 2 NH4Cl = 2[Co(NH3)6]Cl3 + 2 NH4OH
Mg + HNO2 = MgNO2 + H2 =>
2 Mg + 2 HNO2 = 2 MgNO2 + H2
CH3COOH + K2CO3 = (CH3COO)K + H2O + CO2 =>
2 CH3COOH + K2CO3 = 2(CH3COO)K + H2O + CO2
K2CO3 + Rh2O3 = KRhO2 + CO2 =>
K2CO3 + Rh2O3 = 2 KRhO2 + CO2
TiO2 + NaOH = Ti(OH)4 + Na2O =>
TiO2 + 4 NaOH = Ti(OH)4 + 2 Na2O
C3H7O2N + H2SO4 = CO2 + (NH4)2SO4 + SO2 + H2O =>
2 C3H7O2N + 13 H2SO4 = 6 CO2 + (NH4)2SO4 + 12 SO2 + 16 H2O
H2Te + Al(OH)3 = H2O + Te3Al2 =>
3 H2Te + 2 Al(OH)3 = 6 H2O + Te3Al2
[Co(NH3)6]Cl2 + H2O2 + NH4Cl = [Co(NH3)6]Cl3 + NH4OH =>
2[Co(NH3)6]Cl2 + H2O2 + 2 NH4Cl = 2[Co(NH3)6]Cl3 + 2 NH4OH
Ca(NO3)2*4H2O(s) = Ca(NO3)2(s) + H2O(l) =>
Ca(NO3)2*4H2O(s) = Ca(NO3)2(s) + 4 H2O(l)
XCOH + Cr2O7{2-} + H{+} = XCOOH + Cr{3+} + H2O =>
3 XCOH + Cr2O7{2-} + 8 H{+} = 3 XCOOH + 2 Cr{3+} + 4 H2O
K2CrO4 + NH4Cl = KCl + (NH4)2CrO4 =>
K2CrO4 + 2 NH4Cl = 2 KCl + (NH4)2CrO4
K + FeCl3 = KCl + Fe =>
3 K + FeCl3 = 3 KCl + Fe
NaBr(s) + Cl2(g) = Na + BrCl =>
2 NaBr(s) + Cl2(g) = 2 Na + 2 BrCl
[Co(NH3)6]Cl2 + H2O2 + NH4Cl = [Co(NH3)6]Cl3 + NH4OH =>
2[Co(NH3)6]Cl2 + H2O2 + 2 NH4Cl = 2[Co(NH3)6]Cl3 + 2 NH4OH
KMnO4 + KCl + H2SO4 = MnSO6 + H2O + Cl2 + K2SO4 =>
2 KMnO4 + 2 KCl + 4 H2SO4 = 2 MnSO6 + 4 H2O + Cl2 + 2 K2SO4
Cu{+} = Cu{+2} + Cu =>
2 Cu{+} = Cu{+2} + Cu
CoBr3 + CaSO4 = CaBr3 + Co2 + (SO4)3 =>
6 CoBr3 + 6 CaSO4 = 6 CaBr3 + 3 Co2 + 2(SO4)3
KMnO4 + NaHSO4 = KHSO4 + NaMnO4 =>
KMnO4 + NaHSO4 = KHSO4 + NaMnO4
Cu(OH)2 + CH3COOH = Cu(CH3CO2)2 + H2O =>
Cu(OH)2 + 2 CH3COOH = Cu(CH3CO2)2 + 2 H2O
Ba + HCl = BaCl2 + H2 =>
Ba + 2 HCl = BaCl2 + H2
K2Cr2O7 + K3AsO3 + H2SO4 = KAsO4 + Cr2(SO4)3 + K2SO4 + H2O =>
2 K2Cr2O7 + 3 K3AsO3 + 11 H2SO4 = 3 KAsO4 + 2 Cr2(SO4)3 + 5 K2SO4 + 11 H2O
PBO2 + HCl = PBCl2 + H2O + Cl2 =>
PBO2 + 4 HCl = PBCl2 + 2 H2O + Cl2
V2O5 + H2SO4 + H2O + SO2 = [VO(H2O)4]SO4 =>
V2O5 + H2SO4 + 7 H2O + SO2 = 2[VO(H2O)4]SO4
NaOH + Na2CO3 = NaCO3 + OHNa2 =>
NaOH + Na2CO3 = NaCO3 + OHNa2
ZnSO4 + Br(NO3)2 = BrSO4 + Zn(NO3)2 =>
ZnSO4 + Br(NO3)2 = BrSO4 + Zn(NO3)2
H + K = H2K2 =>
2 H + 2 K = H2K2
NaHCO3 + HCl = NaCl + H2O + CO2 =>
NaHCO3 + HCl = NaCl + H2O + CO2
Fe + Hg(SO4)2 = FeSO4 + Hg =>
2 Fe + Hg(SO4)2 = 2 FeSO4 + Hg
KMnO4 + Cu = CuO + MnO2 + K2O =>
2 KMnO4 + 3 Cu = 3 CuO + 2 MnO2 + K2O
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