| Équations équilibrées la veille |
Rb2O(aq) + H2O(l) = 2 RbOH
Os(NO3)4 + Na2CO3 = Os2(CO3)4 + NaNO3 =>
2 Os(NO3)4 + 4 Na2CO3 = Os2(CO3)4 + 8 NaNO3
Fe2O + H2SO4 = Fe2(SO4)3 + H2O + SO2 =>
Fe2O + 5 H2SO4 = Fe2(SO4)3 + 5 H2O + 2 SO2
KHCO3(s) + HCl(aq) = KCl(aq) + H2O(l) + CO2 =>
KHCO3(s) + HCl(aq) = KCl(aq) + H2O(l) + CO2
H2O + HF = H2OHF =>
H2O + HF = H2OHF
CaCO3 + HCl = CaCl2 + H2CO3 =>
CaCO3 + 2 HCl = CaCl2 + H2CO3
CH4 + O2 = CO + H2O =>
2 CH4 + 3 O2 = 2 CO + 4 H2O
HCl + C = C2Cl2 + H2 =>
2 HCl + 2 C = C2Cl2 + H2
NO3 + I{-} = IO3{-} + NO2 =>
3 NO3 + I{-} = IO3{-} + 3 NO2
FeCl2 + AgNO3 = Fe(NO3)2 + AgCl =>
FeCl2 + 2 AgNO3 = Fe(NO3)2 + 2 AgCl
Ca(OH)2 + SO2 = CaSO4 + H2 =>
Ca(OH)2 + SO2 = CaSO4 + H2
Cu(NH3)4 + (OH)2 + H2SO4 + H2O = (Cu(OH2)4)SO4 + (NH4)2SO4 =>
Cu(NH3)4 + (OH)2 + 3 H2SO4 + 2 H2O = (Cu(OH2)4)SO4 + 2(NH4)2SO4
H4C3 + N2Cl4 = H2 + N2 + CCl4 =>
H4C3 + 3 N2Cl4 = 2 H2 + 3 N2 + 3 CCl4
Ca(OH)2 + SO2 = CaSO3 + H2O =>
Ca(OH)2 + SO2 = CaSO3 + H2O
KMnO4 + H2OSO4 + NaNO2 = MnSO4 + K2SO4 + NaNO3 + H2O =>
2 KMnO4 + 3 H2OSO4 + 8 NaNO2 = 2 MnSO4 + K2SO4 + 8 NaNO3 + 3 H2O
C2H3N + H3O + HCl = (CH3)2NOHCl =>
C2H3N + H3O + HCl = (CH3)2NOHCl
P + H2SO4 = H3PO4 + H2O + SO2 =>
2 P + 5 H2SO4 = 2 H3PO4 + 2 H2O + 5 SO2
LiH2S + AlCl3 = LiCl + Al(H2S)3 =>
3 LiH2S + AlCl3 = 3 LiCl + Al(H2S)3
NH4SCN + FeCl3 + H2O = [Fe(H2O)5(SCN)]Cl2 + NH4Cl =>
NH4SCN + FeCl3 + 5 H2O = [Fe(H2O)5(SCN)]Cl2 + NH4Cl
NO2(g) + H2O(l) + O2 = HNO3 =>
4 NO2(g) + 2 H2O(l) + O2 = 4 HNO3
NrS + HCl + HNO3 = NrCl2 + NO + S + H2O =>
3 NrS + 6 HCl + 2 HNO3 = 3 NrCl2 + 2 NO + 3 S + 4 H2O
(S2O3){-2} + Br2 = (S4O6)2{-} + (Br){-} =>
8(S2O3){-2} + 7 Br2 = 2(S4O6)2{-} + 14(Br){-}
C7H5NaO3 + NaOH = C7H4Na2O3 + H2O =>
C7H5NaO3 + NaOH = C7H4Na2O3 + H2O
Fe + H3PO4 = Fe(H2PO4)3 + H2 =>
2 Fe + 6 H3PO4 = 2 Fe(H2PO4)3 + 3 H2
N2O5 + H2O = HNO3 =>
N2O5 + H2O = 2 HNO3
C3H8 + O2 = CO2 + H2O =>
C3H8 + 5 O2 = 3 CO2 + 4 H2O
C3H8O + Cr2O7{2-} + H{+} = C3H6O2 + Cr{3+} + H2O =>
3 C3H8O + 2 Cr2O7{2-} + 16 H{+} = 3 C3H6O2 + 4 Cr{3+} + 11 H2O
KOH + H3PO4 = K2(HPO4) + H2O =>
2 KOH + H3PO4 = K2(HPO4) + 2 H2O
Cl{-} + Pt{2+} + OH = HOCl + Pt =>
2 Cl{-} + Pt{2+} + 2 OH = 2 HOCl + Pt
Ca + HCl = CaCl2 + H2(g) =>
Ca + 2 HCl = CaCl2 + H2(g)
FeSO4 + NaClO4 + H2SO4 = Fe2(SO4)3 + NaCl + H2O =>
8 FeSO4 + NaClO4 + 4 H2SO4 = 4 Fe2(SO4)3 + NaCl + 4 H2O
C2H6O + K2Cr2O7 + H2SO4 = CH3CHO + K2SO4 + Cr2(SO4)3 + H2O =>
3 C2H6O + K2Cr2O7 + 4 H2SO4 = 3 CH3CHO + K2SO4 + Cr2(SO4)3 + 7 H2O
Na2S2O3 + NaOH + Al + H2O = Na2S + Na[Al(OH)4(H2O)2] =>
3 Na2S2O3 + 14 NaOH + 8 Al + 25 H2O = 6 Na2S + 8 Na[Al(OH)4(H2O)2]
NH4SCN + FeCl3 + H2O = (Fe(H2O)5(SCN))Cl2 + NH4Cl =>
NH4SCN + FeCl3 + 5 H2O = (Fe(H2O)5(SCN))Cl2 + NH4Cl
Ca10(PO4)6(OH)2(s) + HCl(aq) = CaCl2(aq) + H3PO4(aq) + H2O(l) =>
Ca10(PO4)6(OH)2(s) + 20 HCl(aq) = 10 CaCl2(aq) + 6 H3PO4(aq) + 2 H2O(l)
ZnSO4 + Mg = MgSO4 + Zn =>
ZnSO4 + Mg = MgSO4 + Zn
FeS + H2O2 = FeO + H2SO4 + H2O =>
FeS + 4 H2O2 = FeO + H2SO4 + 3 H2O
Ce + O2 = CeO2 =>
Ce + O2 = CeO2
ZnCl2 + NH4(OH) = NH4Cl + Zn(OH)2 =>
ZnCl2 + 2 NH4(OH) = 2 NH4Cl + Zn(OH)2
KOH + MgCl2 = KCl + Mg(OH)2 =>
2 KOH + MgCl2 = 2 KCl + Mg(OH)2
C2H2 + O2 = CO2 + H2O =>
2 C2H2 + 5 O2 = 4 CO2 + 2 H2O
C3H6 + O2 = CO2 + H2O =>
2 C3H6 + 9 O2 = 6 CO2 + 6 H2O
Zn + HCl = ZnCl2 + H2 =>
Zn + 2 HCl = ZnCl2 + H2
KHSO3 + Ba(OH)2 = K2SO3 + BaSO3 + H2O =>
2 KHSO3 + Ba(OH)2 = K2SO3 + BaSO3 + 2 H2O
AlCl3 + BaCO3 + H2O = Al(OH)3 + BaCl2 + CO2 =>
2 AlCl3 + 3 BaCO3 + 3 H2O = 2 Al(OH)3 + 3 BaCl2 + 3 CO2
CH3CH2OH + HBr = CH3CH2O + H2Br =>
CH3CH2OH + HBr = CH3CH2O + H2Br
P + H2SO4 = H3PO4 + H2O + SO2 =>
2 P + 5 H2SO4 = 2 H3PO4 + 2 H2O + 5 SO2
HNO3 + Cr = Cr(NO3)3 + NO2 + H2O =>
6 HNO3 + Cr = Cr(NO3)3 + 3 NO2 + 3 H2O
FeS + HNO3 = Fe(NO3) + NO2 + S + H2O =>
FeS + 2 HNO3 = Fe(NO3) + NO2 + S + H2O
KMnO4 + Cr = K + Cr(MnO4)2 =>
2 KMnO4 + Cr = 2 K + Cr(MnO4)2
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Équations équilibrées sur10/16/24
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