| Équations équilibrées la veille | Équations équilibrées le lendemain |
2 Bi(OH)3 + 6 K2SnO2 = 2 Bi + 6 K2SnO3 + 3 H2
BaCO2 = BaO + CO =>
BaCO2 = BaO + CO
CuSO4 + CaCO3 + H2O2 = CaSO4 + CuO2 + CO2 + H2O =>
CuSO4 + CaCO3 + H2O2 = CaSO4 + CuO2 + CO2 + H2O
BaCl2(H2O) = BaCl2 + H2O =>
BaCl2(H2O) = BaCl2 + H2O
Cr(C2H3O2)3 + HI = CrI3 + HC2H3O2 =>
Cr(C2H3O2)3 + 3 HI = CrI3 + 3 HC2H3O2
Cr2O3 + NaOH + Br2 = NaBr + Na2CrO4 + H2O =>
Cr2O3 + 10 NaOH + 3 Br2 = 6 NaBr + 2 Na2CrO4 + 5 H2O
CO(NH2)2(aq) + H2O(l) = CO2(aq) + NH3(aq) =>
CO(NH2)2(aq) + H2O(l) = CO2(aq) + 2 NH3(aq)
Ba(OH)2 + CaCl2 = BaCl2 + Ca(OH)2 =>
Ba(OH)2 + CaCl2 = BaCl2 + Ca(OH)2
CH3NO2(l) + O2(g) = CO2(g) + H2O(l) + N2(g) =>
4 CH3NO2(l) + 3 O2(g) = 4 CO2(g) + 6 H2O(l) + 2 N2(g)
Cu2O + Cr2O3 = CuCrO2 =>
Cu2O + Cr2O3 = 2 CuCrO2
Ca(NO3)2 + Na2CO3 = CaCO3 + NaNO3 =>
Ca(NO3)2 + Na2CO3 = CaCO3 + 2 NaNO3
FeO + Al(OH)3 = Fe(AlO2)2 + H2O =>
FeO + 2 Al(OH)3 = Fe(AlO2)2 + 3 H2O
Fe + Cl2 = FeCl3 =>
2 Fe + 3 Cl2 = 2 FeCl3
Ca(OH)2 + Br2 = CaBr2 + CaBrO2 + H2O =>
4 Ca(OH)2 + 3 Br2 = 2 CaBr2 + 2 CaBrO2 + 4 H2O
CS2 + O2 = CSO2 + SO2 =>
CS2 + 2 O2 = CSO2 + SO2
Sn + AgNO3 = Sn(NO3)2 + Ag =>
Sn + 2 AgNO3 = Sn(NO3)2 + 2 Ag
AgNO3 + K2S2O8 + KOH = AgO + K2SO4 + KNO3 + H2O =>
2 AgNO3 + K2S2O8 + 4 KOH = 2 AgO + 2 K2SO4 + 2 KNO3 + 2 H2O
Cu + H2SO4 = CuO + H2O + SO2 =>
Cu + H2SO4 = CuO + H2O + SO2
H2S + NaHCO3 = Na2S + H2O + CO2 =>
H2S + 2 NaHCO3 = Na2S + 2 H2O + 2 CO2
Al + AgCl = AlCl3 + Ag =>
Al + 3 AgCl = AlCl3 + 3 Ag
K3(PO4) + Mg(OH)2 = KOH + Mg3(PO4)2 =>
2 K3(PO4) + 3 Mg(OH)2 = 6 KOH + Mg3(PO4)2
Na2ZnO2 + H2S = ZnS + NaOH =>
Na2ZnO2 + H2S = ZnS + 2 NaOH
Cr(NO3)3 + K2SiO3 = Cr2(SiO3)3 + KNO3 =>
2 Cr(NO3)3 + 3 K2SiO3 = Cr2(SiO3)3 + 6 KNO3
BeF2 + K2O = BeK2 + F2O =>
BeF2 + K2O = BeK2 + F2O
Mg + Cl = MgCl2 =>
Mg + 2 Cl = MgCl2
H + O2 = H3O =>
6 H + O2 = 2 H3O
Sn + AgNO3 = Sn(NO3)2 + Ag =>
Sn + 2 AgNO3 = Sn(NO3)2 + 2 Ag
NH4Fe(SO4)2*12H2O + NH4SCN = (NH4)2SO4 + Fe(SCN)3 + H2O =>
NH4Fe(SO4)2*12H2O + 3 NH4SCN = 2(NH4)2SO4 + Fe(SCN)3 + 12 H2O
H3PO2 + HNO3 = H3PO4 + NO2 + H2O =>
H3PO2 + 4 HNO3 = H3PO4 + 4 NO2 + 2 H2O
(CaCl2) + (Na3PO4) = Ca3(PO4)2 + (NaCl) =>
3(CaCl2) + 2(Na3PO4) = Ca3(PO4)2 + 6(NaCl)
NaOH + FeS = Fe(OH)2 + Na2S =>
2 NaOH + FeS = Fe(OH)2 + Na2S
Mg + CuCl2 = Cu + MgCl2 =>
Mg + CuCl2 = Cu + MgCl2
CdCl2(aq) + Li2S(aq) = CdS + LiCl =>
CdCl2(aq) + Li2S(aq) = CdS + 2 LiCl
Al2O3 + CuCl2 = CuO3 + Al2Cl2 =>
Al2O3 + CuCl2 = CuO3 + Al2Cl2
AsSe + HNO3 + H2O = H3AsO4 + NO + H2SeO4 =>
3 AsSe + 11 HNO3 + 2 H2O = 3 H3AsO4 + 11 NO + 3 H2SeO4
PBCO3 + C = PB + CO2 =>
2 PBCO3 + C = 2 PB + 3 CO2
Cu(NO3)2 + FeSO4 + H2SO4 = Fe(SO4)3 + CuSO4 + NO + H2O =>
2 Cu(NO3)2 + 3 FeSO4 + 8 H2SO4 = 3 Fe(SO4)3 + 2 CuSO4 + 4 NO + 8 H2O
C5H11OH + O2(g) = CO(g) + H2O(l) =>
C5H11OH + 5 O2(g) = 5 CO(g) + 6 H2O(l)
Cu(OH)2 + CuCl2 = (CuOH)Cl =>
Cu(OH)2 + CuCl2 = 2(CuOH)Cl
Sb2S3 + C + CaO = Sb + CO + CaS =>
Sb2S3 + 3 C + 3 CaO = 2 Sb + 3 CO + 3 CaS
HF(ac) + KOH(ac) = KF(ac) + H2O(l) =>
HF(ac) + KOH(ac) = KF(ac) + H2O(l)
Ca(OH)2 + H3PO4 = Ca3(PO4)2 + H2O =>
3 Ca(OH)2 + 2 H3PO4 = Ca3(PO4)2 + 6 H2O
N2H4 + N2O4(g) = N2 + H2O =>
2 N2H4 + N2O4(g) = 3 N2 + 4 H2O
Cr2O3 + Li2SO4 = Cr2(SO4)3 + Li2O =>
Cr2O3 + 3 Li2SO4 = Cr2(SO4)3 + 3 Li2O
CoO + NH4OH = Co(OH)2 + NH3 =>
CoO + NH4OH = Co(OH)2 + NH3
Fe + HNO3 = FeNO3 + N2 + H2O =>
10 Fe + 12 HNO3 = 10 FeNO3 + N2 + 6 H2O
(NH4)2S + Cl2 + KOH = KCl + H2O + NH3 + S =>
(NH4)2S + Cl2 + 2 KOH = 2 KCl + 2 H2O + 2 NH3 + S
(Cr2O7){2-} + CH3OH + H{+} = Cr{3+} + CO2 + H2O =>
(Cr2O7){2-} + CH3OH + 8 H{+} = 2 Cr{3+} + CO2 + 6 H2O
PbCO3 + HCl = PbCl2 + CO2 + H2O =>
PbCO3 + 2 HCl = PbCl2 + CO2 + H2O
C6H5OH + HCl = C6H5Cl + H2O =>
C6H5OH + HCl = C6H5Cl + H2O
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Équations équilibrées sur10/19/24
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