| Équations équilibrées la veille | Équations équilibrées le lendemain |
3 Ba + Fe3N2 = Ba3N2 + 3 Fe
CH3CH3(CH2)4 + O2 = CO2 + H2O =>
2 CH3CH3(CH2)4 + 19 O2 = 12 CO2 + 14 H2O
Li(OH) + CuCl2 = LiCl + Cu(OH)2 =>
2 Li(OH) + CuCl2 = 2 LiCl + Cu(OH)2
NaCO3 + H3PO4 + Cu(OH)2 = Na2CuP6O18 + H2O + CO2 =>
2 NaCO3 + 6 H3PO4 + Cu(OH)2 = Na2CuP6O18 + 10 H2O + 2 CO2
O3 = O2 =>
2 O3 = 3 O2
Ca(OH)2 + Ba(HCO3)2 = BaCO3 + CaCO3 + H2O =>
Ca(OH)2 + Ba(HCO3)2 = BaCO3 + CaCO3 + 2 H2O
Na2O + F = NaF + O =>
Na2O + 2 F = 2 NaF + O
Cu2S + O2 = Cu2 + SO2 =>
Cu2S + O2 = Cu2 + SO2
C8H18 + O2 = CO2 + H2O =>
2 C8H18 + 25 O2 = 16 CO2 + 18 H2O
KHSO3(aq) + NaNO3(aq) = KNO3(aq) + NaHSO3(aq) =>
KHSO3(aq) + NaNO3(aq) = KNO3(aq) + NaHSO3(aq)
MgCO3 + N2 = Mg3N2 + CO2 + O2 =>
6 MgCO3 + 2 N2 = 2 Mg3N2 + 6 CO2 + 3 O2
MgO + KH2PO4 = KMgPO4 + H2O =>
MgO + KH2PO4 = KMgPO4 + H2O
H2O + Fe = Fe2O3 + H2 =>
3 H2O + 2 Fe = Fe2O3 + 3 H2
HOCl + NaOH = H2O + NaCl + O2 =>
2 HOCl + 2 NaOH = 2 H2O + 2 NaCl + O2
H2O + Fe = Fe2O3 + H2 =>
3 H2O + 2 Fe = Fe2O3 + 3 H2
HF + KHF2 = KH2 + F =>
HF + KHF2 = KH2 + 3 F
H2O + Fe = Fe2O3 + H2 =>
3 H2O + 2 Fe = Fe2O3 + 3 H2
BaBr + Na3PO4 = Ba3PO4 + NaBr =>
3 BaBr + Na3PO4 = Ba3PO4 + 3 NaBr
CaCO3 + HNO3 = Ca(NO3)2 + CO2 + H2O =>
CaCO3 + 2 HNO3 = Ca(NO3)2 + CO2 + H2O
CH3CH2CH2OH = CH3CH2OCH2CH3 + H2O =>
4 CH3CH2CH2OH = 3 CH3CH2OCH2CH3 + H2O
CH3CH3 + O2 = CO2 + H2O =>
2 CH3CH3 + 7 O2 = 4 CO2 + 6 H2O
HNO3 + HCHO = CO2 + H2O + NO =>
4 HNO3 + 3 HCHO = 3 CO2 + 5 H2O + 4 NO
N + H4 + S + O4 = NH42SO4 =>
2 N + 21 H4 + 2 S + 2 O4 = 2 NH42SO4
Fe(OH)3 + KClO4 + KOH = K2FeO4 + KCl + H2O =>
8 Fe(OH)3 + 3 KClO4 + 16 KOH = 8 K2FeO4 + 3 KCl + 20 H2O
HNO3 + Li2S = Li(NO3) + H2S =>
2 HNO3 + Li2S = 2 Li(NO3) + H2S
KOH + Fe(NO3)3 = K3Fe + OHNO3 =>
3 KOH + Fe(NO3)3 = K3Fe + 3 OHNO3
SiF4 + HF = F + SiH4 =>
SiF4 + 4 HF = 8 F + SiH4
SiCl4 + Li[AlH4] = SiH4 + LiCl + AlCl3 =>
SiCl4 + Li[AlH4] = SiH4 + LiCl + AlCl3
V + V2O5 + HCl = VCl3 + H2O =>
4 V + 3 V2O5 + 30 HCl = 10 VCl3 + 15 H2O
P + NHO3 = HPO3 + NO2 + H2O =>
P + 5 NHO3 = HPO3 + 5 NO2 + 2 H2O
Fe2(SO4)3 + MnO2 + H2O = FeSO4 + HMnO4 + H2SO4 =>
3 Fe2(SO4)3 + 2 MnO2 + 4 H2O = 6 FeSO4 + 2 HMnO4 + 3 H2SO4
K2S + Sr3(PO4)2 = K3PO4 + SrS =>
3 K2S + Sr3(PO4)2 = 2 K3PO4 + 3 SrS
P + Cl2 = PCl5 =>
2 P + 5 Cl2 = 2 PCl5
C7H16 + O2 = CO2 + H2O =>
C7H16 + 11 O2 = 7 CO2 + 8 H2O
V(OH)4Cl + HCl + FeCl2 = VOCl2 + H2O + FeCl3 =>
V(OH)4Cl + 2 HCl + FeCl2 = VOCl2 + 3 H2O + FeCl3
Na + H2O + I = Na(OH) + HI =>
Na + H2O + I = Na(OH) + HI
KCl + Pb(C2H3O2)2 = PbCl2 + K(C2H3O2) =>
2 KCl + Pb(C2H3O2)2 = PbCl2 + 2 K(C2H3O2)
K2SO4 + CsOH = KOH + Cs2SO4 =>
K2SO4 + 2 CsOH = 2 KOH + Cs2SO4
CH3CH2OH + Cr2O7{2-} + H{+} = CH3CHO + Cr3{+} + H2O =>
17 CH3CH2OH + 3 Cr2O7{2-} + 8 H{+} = 17 CH3CHO + 2 Cr3{+} + 21 H2O
AgNO3 + NaCl + HCl = AgNO2 + NaOH + Cl2 =>
AgNO3 + NaCl + HCl = AgNO2 + NaOH + Cl2
HBr(aq) + Mg(HCO3)2(s) = H2O + MgBr2 + CO2 =>
2 HBr(aq) + Mg(HCO3)2(s) = 2 H2O + MgBr2 + 2 CO2
NaCl + AgN = AgCl + NaN =>
NaCl + AgN = AgCl + NaN
Na + I = NaI =>
Na + I = NaI
NaClO + Ca(HCO3)2 = NaHCO3 + Ca(ClO)2 =>
2 NaClO + Ca(HCO3)2 = 2 NaHCO3 + Ca(ClO)2
HCl(aq) + NaOH(aq) = NaCl(aq) + H2O =>
HCl(aq) + NaOH(aq) = NaCl(aq) + H2O
ZnSO4 + NaClO = Na2SO4 + Zn(ClO)2 =>
ZnSO4 + 2 NaClO = Na2SO4 + Zn(ClO)2
KI + HNO3 = KIO3 + H2O + NO2 =>
KI + 6 HNO3 = KIO3 + 3 H2O + 6 NO2
(C2H4O2) + Ca(OH)2 = Ca(C2H3O2)2 + H2O =>
2(C2H4O2) + Ca(OH)2 = Ca(C2H3O2)2 + 2 H2O
Br2 + H2SO4 + Na2S = S + HBr + Na2SO4 =>
Br2 + H2SO4 + Na2S = S + 2 HBr + Na2SO4
Al2(SO4)3 + PO4 = AlPO4 + SO4 =>
Al2(SO4)3 + 2 PO4 = 2 AlPO4 + 3 SO4
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