| Équations équilibrées la veille |
3 Fe + 4 H2O = Fe3O4 + 4 H2
HBr + Zn(OH)2 = ZnBr2 + H2O =>
2 HBr + Zn(OH)2 = ZnBr2 + 2 H2O
C3H8 + O2 = CO2 + H2O =>
C3H8 + 5 O2 = 3 CO2 + 4 H2O
AgI + Na2S = Ag2S + NaI =>
2 AgI + Na2S = Ag2S + 2 NaI
NaOH(aq) + Fe(NO3)3(aq) = Fe(OH)3 + NaNO3 =>
3 NaOH(aq) + Fe(NO3)3(aq) = Fe(OH)3 + 3 NaNO3
KIO3 + Cu(SCN) + HCl = KCl + CuSO4 + ICl + HCN + H2O =>
7 KIO3 + 4 Cu(SCN) + 14 HCl = 7 KCl + 4 CuSO4 + 7 ICl + 4 HCN + 5 H2O
SO{2} + I{2} = SO{3} + I =>
2 SO{2} + I{2} = 2 SO{3} + I
Na2(Cr2O7) + FeCl2 + HCl = CrCl3 + FeCl3 + NaCl + H2O =>
Na2(Cr2O7) + 6 FeCl2 + 14 HCl = 2 CrCl3 + 6 FeCl3 + 2 NaCl + 7 H2O
AgI + Na2S = Ag2S + NaI =>
2 AgI + Na2S = Ag2S + 2 NaI
NaOH + NH4HCO3 = H2O + NH3 + Na2CO3 =>
2 NaOH + NH4HCO3 = 2 H2O + NH3 + Na2CO3
Al + H2SO4 = Al2(SO4)3 + H2 =>
2 Al + 3 H2SO4 = Al2(SO4)3 + 3 H2
FeCl3 + NaOH = Fe(OH)3 + NaCl =>
FeCl3 + 3 NaOH = Fe(OH)3 + 3 NaCl
C7H16O + O2 = CO2 + H2O =>
2 C7H16O + 21 O2 = 14 CO2 + 16 H2O
Pb(NO3)2(aq) + H2SO4(aq) = PbN2S + H2O(l) + O2 =>
2 Pb(NO3)2(aq) + 2 H2SO4(aq) = 2 PbN2S + 2 H2O(l) + 9 O2
NO2 = O2 + N2 =>
2 NO2 = 2 O2 + N2
HCH2ClCO2 + NaOH = CH2ClCO2 + H2O + Na =>
HCH2ClCO2 + NaOH = CH2ClCO2 + H2O + Na
Fe + NH4OH = Fe2NH4OH =>
2 Fe + NH4OH = Fe2NH4OH
HCl(aq) + NH4OH(aq) = NH4Cl(aq) + H2O(l) =>
HCl(aq) + NH4OH(aq) = NH4Cl(aq) + H2O(l)
CaCl2 + NaOCl = CaOCl2 + NaCl =>
CaCl2 + NaOCl = CaOCl2 + NaCl
(NH4)2S + CuCl2 = CuS + (NH4)2 + Cl2 =>
(NH4)2S + CuCl2 = CuS + (NH4)2 + Cl2
Ag3AsO4 + NH3 = [Ag(NH3)2]3AsO4 =>
Ag3AsO4 + 6 NH3 = [Ag(NH3)2]3AsO4
KCrO2 + Br2 + KOH = H2O + K2Cr2O7 + KBr =>
2 KCrO2 + 3 Br2 + 6 KOH = 3 H2O + K2Cr2O7 + 6 KBr
NaOH + NH4HCO3 = H2O + NH3 + Na2CO3 =>
2 NaOH + NH4HCO3 = 2 H2O + NH3 + Na2CO3
N2 + O2 = N2O =>
2 N2 + O2 = 2 N2O
CrO3 + FeSO4 + H2SO4 = Cr2(SO4)3 + H2O + Fe2(SO4)3 =>
2 CrO3 + 6 FeSO4 + 6 H2SO4 = Cr2(SO4)3 + 6 H2O + 3 Fe2(SO4)3
K2Cr2O7 + AgNO3 + H2O = KNO3 + Ag2CrO4HNO3 =>
K2Cr2O7 + 4 AgNO3 + H2O = 2 KNO3 + 2 Ag2CrO4HNO3
CoCl2(s) + NH4Cl(s) + NH3(aq) + H2O2(aq) = (Co(NH3)5Cl)Cl2 + H2O =>
2 CoCl2(s) + 2 NH4Cl(s) + 8 NH3(aq) + H2O2(aq) = 2(Co(NH3)5Cl)Cl2 + 2 H2O
N2 + O2 = N2O5 =>
2 N2 + 5 O2 = 2 N2O5
H3PO4 + KCl = KH2PO4 + HCl =>
H3PO4 + KCl = KH2PO4 + HCl
CH3(CH2)4OH + (CH3CO)2O = CH3COO(CH2)4CH3 + CH3COOH =>
CH3(CH2)4OH + (CH3CO)2O = CH3COO(CH2)4CH3 + CH3COOH
H2SO4 + HCl = Cl2 + H2O + SO2 =>
H2SO4 + 2 HCl = Cl2 + 2 H2O + SO2
ZnSO4 + KBr = ZnBr2 + K2SO4 =>
ZnSO4 + 2 KBr = ZnBr2 + K2SO4
N2O5 + H3PO4 = HNO3 + P4O10 =>
6 N2O5 + 4 H3PO4 = 12 HNO3 + P4O10
SO3(g) = O2(g) + SO2(g) =>
2 SO3(g) = O2(g) + 2 SO2(g)
Mg + Fe{3+} = Fe{2+} + Mg{2+} =>
Mg + 2 Fe{3+} = 2 Fe{2+} + Mg{2+}
H2SO4 + BaCl2 = Ba(HSO4)2 + HCl =>
2 H2SO4 + BaCl2 = Ba(HSO4)2 + 2 HCl
CrO2{-} + H2O = Cr2O7{2-} + {-} + H{+} =>
2 CrO2{-} + 3 H2O = Cr2O7{2-} + 6e + 6 H{+}
Ca(AlO2)2(s) + HCl(aq) = AlCl3(aq) + CaCl2(aq) + H2O(l) =>
Ca(AlO2)2(s) + 8 HCl(aq) = 2 AlCl3(aq) + CaCl2(aq) + 4 H2O(l)
KCrO2 + HBr = CrBr3 + K2O + H2O =>
2 KCrO2 + 6 HBr = 2 CrBr3 + K2O + 3 H2O
Co{2+} + H{+} + O2 = Co{3+} + H2O =>
4 Co{2+} + 4 H{+} + O2 = 4 Co{3+} + 2 H2O
H2O2 + H2SO4 + Cu = CuSO4*5H2O + O2 =>
8 H2O2 + 2 H2SO4 + 2 Cu = 2 CuSO4*5H2O + 3 O2
C4H10 + O2 = CO2 + H2O =>
2 C4H10 + 13 O2 = 8 CO2 + 10 H2O
P + O2 = P2O5 =>
4 P + 5 O2 = 2 P2O5
Ag(s) + CH3COOH(aq) = Ag(CH3COO)(aq) + H2(g) =>
2 Ag(s) + 2 CH3COOH(aq) = 2 Ag(CH3COO)(aq) + H2(g)
K3[Cr(OH)6] + SO2 = K2SO3 + H2O + Cr(OH)3 =>
2 K3[Cr(OH)6] + 3 SO2 = 3 K2SO3 + 3 H2O + 2 Cr(OH)3
Sr + CuO = SrO + Cu =>
Sr + CuO = SrO + Cu
NaCl + HCl = NaH + Cl2 =>
NaCl + HCl = NaH + Cl2
Fe(s) + O2(g) = Fe2O3(s) =>
4 Fe(s) + 3 O2(g) = 2 Fe2O3(s)
CrO = Cr + CrO2 =>
2 CrO = Cr + CrO2
NH3 + Na2CO3 = Na(NH3) + CO3 =>
2 NH3 + Na2CO3 = 2 Na(NH3) + CO3
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Équations équilibrées sur01/06/25
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