| Équations équilibrées la veille | Équations équilibrées le lendemain |
CaCO3 = CaO + CO2
C3H7OH + KMnO4 = (CH3)2CO + KOH + MnO2 + H2O =>
3 C3H7OH + 2 KMnO4 = 3(CH3)2CO + 2 KOH + 2 MnO2 + 2 H2O
PbSO4 + H2SO4 = PbS2O8 + H2 =>
PbSO4 + H2SO4 = PbS2O8 + H2
CO2 + H2O = H2CO3 =>
CO2 + H2O = H2CO3
Fe3O4 + H2 = Fe + H2O =>
Fe3O4 + 4 H2 = 3 Fe + 4 H2O
H2O + Na2SO4 + K2SO4 + Cr2SO4 = K2Cr2O7 + Na2SO3 + H2SO4 =>
2 H2O + 5 Na2SO4 + K2SO4 + Cr2SO4 = K2Cr2O7 + 5 Na2SO3 + 2 H2SO4
AlBr3 + Na2CO3 + H2O = H2CO3 + NaBr + Al(OH)3 =>
2 AlBr3 + 3 Na2CO3 + 6 H2O = 3 H2CO3 + 6 NaBr + 2 Al(OH)3
NaBH + C3H6O + H2O = C3H8O + NaB(OH)4 =>
2 NaBH + 5 C3H6O + 8 H2O = 5 C3H8O + 2 NaB(OH)4
CH3ONa + CH3CH2Cl = CH3CH2OCH3 + NaCl =>
CH3ONa + CH3CH2Cl = CH3CH2OCH3 + NaCl
H2CO3 + OH = H2O + CO3 =>
H2CO3 + 2 OH = 2 H2O + CO3
C4H9OH + OH = C4H8O + H2O =>
C4H9OH + 2 OH = C4H8O + 2 H2O
FeCl2 + AgNO3 = AgCl + Fe(NO3)2 =>
FeCl2 + 2 AgNO3 = 2 AgCl + Fe(NO3)2
H2O2 + SO3{-} = SO4{-} + H2O =>
H2O2 + SO3{-} = SO4{-} + H2O
HF + HC2Cl3 = H2C2ClF3 + HCl =>
3 HF + HC2Cl3 = H2C2ClF3 + 2 HCl
SiO2 + C + Cl2 = CO + SiCl4 =>
SiO2 + 2 C + 2 Cl2 = 2 CO + SiCl4
CH3OH + Li = CH3O{-} + Li{+} + H2 =>
2 CH3OH + 2 Li = 2 CH3O{-} + 2 Li{+} + H2
Ni(s) + CdCl2(aq) = NiCl2(aq) + Cd(s) =>
Ni(s) + CdCl2(aq) = NiCl2(aq) + Cd(s)
CHCl + HCl = CH4 + Cl2 =>
CHCl + 3 HCl = CH4 + 2 Cl2
Sn + H{+} = Sn{+} + H2 =>
2 Sn + 2 H{+} = 2 Sn{+} + H2
Al + C3 = Al4C3 =>
4 Al + C3 = Al4C3
HCl + H2O = H3O{+} + Cl{-} =>
HCl + H2O = H3O{+} + Cl{-}
CaCl2 + K2CO3 = CaCO3 + Cl2 + K =>
CaCl2 + K2CO3 = CaCO3 + Cl2 + 2 K
HgS + Cl{-} + NO3{-} + H{+} = HgCl42{-} + NO + S + H2O =>
3 HgS + 126 Cl{-} + 41 NO3{-} + 164 H{+} = 3 HgCl42{-} + 41 NO + 3 S + 82 H2O
Na2O2 + H2SO4 = NaHSO4 + O2 + H2O =>
2 Na2O2 + 4 H2SO4 = 4 NaHSO4 + O2 + 2 H2O
PbSO4 + HSO4 = PbS2O8 + H2 =>
2 PbSO4 + 2 HSO4 = 2 PbS2O8 + H2
C4H6ON + O2 = CO2 + H2O + NH3 =>
4 C4H6ON + 17 O2 = 16 CO2 + 6 H2O + 4 NH3
Ru + HNO3 = Ru(NO3)3 + N2O3 + H2O =>
4 Ru + 18 HNO3 = 4 Ru(NO3)3 + 3 N2O3 + 9 H2O
Fe3 + NH4SCN = [Fe(SCN)6]3 + NH4 =>
Fe3 + 18 NH4SCN = [Fe(SCN)6]3 + 18 NH4
Br2 + Cl2 + H2O = HBr + HClO2 =>
3 Br2 + Cl2 + 4 H2O = 6 HBr + 2 HClO2
Na2S2O35H2O + (NH4)Cl = Na(NH4) + Cl2S2O35H2O =>
Na2S2O35H2O + 2(NH4)Cl = 2 Na(NH4) + Cl2S2O35H2O
Cr2(SO4)3 + NaClO3 + NaOH = Na2CrO4 + NaCl + Na2SO4 + H2O =>
Cr2(SO4)3 + NaClO3 + 10 NaOH = 2 Na2CrO4 + NaCl + 3 Na2SO4 + 5 H2O
Sb2S3 + HNO3 + HCl = SbCl5 + H2SO4 + NO + H2O =>
3 Sb2S3 + 28 HNO3 + 30 HCl = 6 SbCl5 + 9 H2SO4 + 28 NO + 20 H2O
HNo3 + Ca = Ca(No3)3 + H2 =>
6 HNo3 + 2 Ca = 2 Ca(No3)3 + 3 H2
MgF2 + NaHCO3 = Mg(HCO3)2 + NaF =>
MgF2 + 2 NaHCO3 = Mg(HCO3)2 + 2 NaF
Ba(OH)2 + K2CO3 = BaCO3 + KOH =>
Ba(OH)2 + K2CO3 = BaCO3 + 2 KOH
NO3NH4 = NO3 + NH4 =>
NO3NH4 = NO3 + NH4
Fe + S8 = FeS =>
8 Fe + S8 = 8 FeS
NaCO3 + BaCl2 = NaCl2 + Ba2(CO3)2 =>
2 NaCO3 + 2 BaCl2 = 2 NaCl2 + Ba2(CO3)2
K2SO4 + C = K2S + CO2 =>
K2SO4 + 2 C = K2S + 2 CO2
K2SO4 + HCl = KCl + SO2 + H2O + Cl2 =>
K2SO4 + 4 HCl = 2 KCl + SO2 + 2 H2O + Cl2
CH3CHOHCH3 + HBr = CH3CHBrCH3 + H2O =>
CH3CHOHCH3 + HBr = CH3CHBrCH3 + H2O
AgNO3 + NaCl(s) = AgCl + NaNO3 =>
AgNO3 + NaCl(s) = AgCl + NaNO3
H2O + PO4 = PH3 + OH =>
7 H2O + PO4 = PH3 + 11 OH
SO3 + H2O = H2SO4 =>
SO3 + H2O = H2SO4
VCl3 + H2 = V + HCl =>
2 VCl3 + 3 H2 = 2 V + 6 HCl
C6H6ONa + H2O + CO2 = C6H7O + Na2CO3 =>
2 C6H6ONa + H2O + CO2 = 2 C6H7O + Na2CO3
MgSO4(aq) + NaCl(aq) = MgCl2(aq) + Na2SO4(aq) =>
MgSO4(aq) + 2 NaCl(aq) = MgCl2(aq) + Na2SO4(aq)
Cu3N2 = Cu + N2 =>
Cu3N2 = 3 Cu + N2
S2O3{2-} + H2O = SO4{-} + H{+} + e =>
S2O3{2-} + 5 H2O = 2 SO4{-} + 10 H{+} + 10e
CH3COOH + Sn(OH)4 = Sn(CH3COO)4 + H2O =>
4 CH3COOH + Sn(OH)4 = Sn(CH3COO)4 + 4 H2O
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| Équations équilibrées la veille | Équations équilibrées le lendemain |
Équations équilibrées sur02/25/25
Équations équilibrées sur03/27/24
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