| Équations équilibrées la veille | Équations équilibrées le lendemain |
As2O3 + 6 H2 = 3 H2O + 2 AsH3
Co(NO3)2 + Cu = Cu(NO3)2 + Co =>
Co(NO3)2 + Cu = Cu(NO3)2 + Co
C2H4O2 + C5H11OH = C7H14O2 + H2O =>
C2H4O2 + C5H11OH = C7H14O2 + H2O
C6H14 + O2 = CO2 + H2O =>
2 C6H14 + 19 O2 = 12 CO2 + 14 H2O
S + HNO3 + H2O = H2SO4 + N2O =>
4 S + 6 HNO3 + H2O = 4 H2SO4 + 3 N2O
S + HNO3 + H2O = H2SO4 + N2 =>
5 S + 6 HNO3 + 2 H2O = 5 H2SO4 + 3 N2
Pb(NO3)2 + NaI = PbI2 + NaNO3 =>
Pb(NO3)2 + 2 NaI = PbI2 + 2 NaNO3
CrCl2(aq) + Na3PO4(aq) = NaCl(aq) + Cr3(PO4)2 =>
3 CrCl2(aq) + 2 Na3PO4(aq) = 6 NaCl(aq) + Cr3(PO4)2
C9H10O + NaBH4 = C9H12O + NaBH3 =>
C9H10O + 2 NaBH4 = C9H12O + 2 NaBH3
KClO3 + SbCl3 + HCl = SbCl6 + KCl + H2O =>
KClO3 + 2 SbCl3 + 6 HCl = 2 SbCl6 + KCl + 3 H2O
(OH) + HCN = (CN) + H2O =>
(OH) + HCN = (CN) + H2O
HNO3 + H2S = NO + S + H2O(water) =>
2 HNO3 + 3 H2S = 2 NO + 3 S + 4 H2O(water)
Al2O3 + LiOH + H2O = Li[Al(OH)4] =>
Al2O3 + 2 LiOH + 3 H2O = 2 Li[Al(OH)4]
Ca(OH)2 + NaHCO3 = CaCO3 + H2O + Na2CO3 =>
Ca(OH)2 + 2 NaHCO3 = CaCO3 + 2 H2O + Na2CO3
Li2(CO3) = Li2O + CO2 =>
Li2(CO3) = Li2O + CO2
MnO2 + Ag{+)+OH{-} = MnO4{-}+Ag+H2O =>
MnO2 + 3 Ag{+)+4OH{-} = MnO4{-}+3Ag+2H2O
Cu2(SO4)2 + Ka2SO3 = Cu2(SO3)2 + Ka2SO4 =>
Cu2(SO4)2 + 2 Ka2SO3 = Cu2(SO3)2 + 2 Ka2SO4
HCHO2 + Na2HPO4 = HC + Na2(PO4) + H2O =>
HCHO2 + 3 Na2HPO4 = HC + 3 Na2(PO4) + 2 H2O
CH4 + Cl2 = CH3Cl3 + HCl =>
CH4 + 2 Cl2 = CH3Cl3 + HCl
CH3OH + KMnO4 + H2SO4 = HCOOH + MnSO4 + KSO4 + H2O =>
CH3OH + KMnO4 + 2 H2SO4 = HCOOH + MnSO4 + KSO4 + 3 H2O
C5H6NH2 + O2 = CO2 + H2O + N2 =>
2 C5H6NH2 + 14 O2 = 10 CO2 + 8 H2O + N2
(NH4)2S + Pb(NO3)2 = (NH4)2(NO3)2 + PbS =>
(NH4)2S + Pb(NO3)2 = (NH4)2(NO3)2 + PbS
C6H12O6 + O2 = CO2 + H6O =>
C6H12O6 + 4 O2 = 6 CO2 + 2 H6O
KCl + Pb(SO4)2 = K2SO4 + PbCl4 =>
4 KCl + Pb(SO4)2 = 2 K2SO4 + PbCl4
C240H90O4NS + O2 = H2O + CO2 + SO2 + NO2 =>
2 C240H90O4NS + 525 O2 = 90 H2O + 480 CO2 + 2 SO2 + 2 NO2
Mg + O2 = MgO =>
2 Mg + O2 = 2 MgO
I3{-)+CH3CH3 = CH3CH2I+I{-}+H{+] =>
I3{-)+CH3CH3 = CH3CH2I+2I{-}+H{+]
H{+} + MnO4{-} + Al = Mn{3+} + Al{3+} + H2O =>
24 H{+} + 3 MnO4{-} + 4 Al = 3 Mn{3+} + 4 Al{3+} + 12 H2O
RbH + H2O = RbOH + H2 =>
RbH + H2O = RbOH + H2
Fe2O3 + H2 = Fe + H2O =>
Fe2O3 + 3 H2 = 2 Fe + 3 H2O
Cr2O7 + I{-}1 + H{+} = Cr + I2 + H2O =>
Cr2O7 + 14 I{-}1 + 14 H{+} = 2 Cr + 7 I2 + 7 H2O
H3P + OH = P + H2O =>
H3P + 3 OH = P + 3 H2O
Zn(NO3)2 + HNO3 = H(NO3)2 + ZnNO3 =>
Zn(NO3)2 + HNO3 = H(NO3)2 + ZnNO3
Fe2O3 + FeS2 + H2O = Fe2(SO4)3 + Fe(OH)2 =>
23 Fe2O3 + 3 FeS2 + 45 H2O = 2 Fe2(SO4)3 + 45 Fe(OH)2
CH2CHCHCH2 + KMnO4 + H2SO4 = CH3COH + CO2 + K2SO4 + MnSO4 =>
25 CH2CHCHCH2 + 14 KMnO4 + 21 H2SO4 = 48 CH3COH + 4 CO2 + 7 K2SO4 + 14 MnSO4
CH3COCH3 + NaCl = NaCOCH3 + CH3Cl =>
CH3COCH3 + NaCl = NaCOCH3 + CH3Cl
Cr2O7{2-} + I{-} + H{+} = Cr{3} + H2O + I2 =>
Cr2O7{2-} + 6 I{-} + 14 H{+} = 2 Cr{3} + 7 H2O + 3 I2
Al + NH4(ClO4)3 = Al2O3 + AlCl3 + N2O + H2O =>
44 Al + 6 NH4(ClO4)3 = 19 Al2O3 + 6 AlCl3 + 3 N2O + 12 H2O
Zn + Ca(NaO3)2 = Ca + Na + ZnO =>
6 Zn + Ca(NaO3)2 = Ca + 2 Na + 6 ZnO
Ni2O4 + CH4 = Ni + CO2 + H2O =>
Ni2O4 + CH4 = 2 Ni + CO2 + 2 H2O
HC2H3O2 + Ca(CO3) = Ca(C2H3O2)2 + H2O + CO2 =>
2 HC2H3O2 + Ca(CO3) = Ca(C2H3O2)2 + H2O + CO2
Mg2(CO3)3 = Mg2O3 + CO2 =>
Mg2(CO3)3 = Mg2O3 + 3 CO2
Li + C2O + H2O = LiHCO3 + H2 =>
2 Li + C2O + 5 H2O = 2 LiHCO3 + 4 H2
Mg(s) + FeCl3(aq) = MgCl2(aq) + Fe(s) =>
3 Mg(s) + 2 FeCl3(aq) = 3 MgCl2(aq) + 2 Fe(s)
H3C6H5O7 + Na(CO3)2 = CO2 + H2O + NaC6H5O7 =>
19 H3C6H5O7 + 18 Na(CO3)2 = 42 CO2 + 31 H2O + 18 NaC6H5O7
NaOH + H3PO4 = Na3PO4 + H2O =>
3 NaOH + H3PO4 = Na3PO4 + 3 H2O
H2CO3 + CH2O2 = CHCO3 + H2O =>
H2CO3 + 3 CH2O2 = 2 CHCO3 + 3 H2O
Ti[OCH(CH3)2]4 + HNO3 = TiO(NO3)2 + C4H9OH =>
Ti[OCH(CH3)2]4 + 2 HNO3 = TiO(NO3)2 + 3 C4H9OH
NH4{+} + H2O = N2O + e + H{+} =>
2 NH4{+} + H2O = N2O + 8e + 10 H{+}
Al + CuCl2 = AlCl3 + Cu =>
2 Al + 3 CuCl2 = 2 AlCl3 + 3 Cu
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