| Équations équilibrées la veille | Équations équilibrées le lendemain |
FeCl2 + 2 NaOH = Fe(OH)2 + 2 NaCl
CH3OH + NaCl + H2SO4 = CH3Cl + Na2SO4 + H2O =>
2 CH3OH + 2 NaCl + H2SO4 = 2 CH3Cl + Na2SO4 + 2 H2O
AlCl3 + K = KCl + Al =>
AlCl3 + 3 K = 3 KCl + Al
C2H6 + O2 = CO2 + H2O =>
2 C2H6 + 7 O2 = 4 CO2 + 6 H2O
OH{-} + Cr + ClO4{-} = CrO2{-} + ClO3{-} + H{+} =>
OH{-} + 2 Cr + 3 ClO4{-} = 2 CrO2{-} + 3 ClO3{-} + H{+}
Al(OH)3 + H2SO4 = Al2(SO4)3 + H2O =>
2 Al(OH)3 + 3 H2SO4 = Al2(SO4)3 + 6 H2O
S8 + NO3{-} + H2O = SO3{2-} + NO + H{+} =>
3 S8 + 32 NO3{-} + 8 H2O = 24 SO3{2-} + 32 NO + 16 H{+}
NaMnO4 + H2SO4 + HI = MnSO4 + Na2SO4 + I2 + H2O =>
2 NaMnO4 + 3 H2SO4 + 10 HI = 2 MnSO4 + Na2SO4 + 5 I2 + 8 H2O
KIO3 + KI + H2SO4 = H2O + I2 + K2SO4 =>
KIO3 + 5 KI + 3 H2SO4 = 3 H2O + 3 I2 + 3 K2SO4
Na + O2 = Na2O =>
4 Na + O2 = 2 Na2O
CaSO3 + NH4Cl = CaCl + NH4SO3 =>
CaSO3 + NH4Cl = CaCl + NH4SO3
RbF(aq) + CuSO4(aq) = CuF + RbSO4 =>
RbF(aq) + CuSO4(aq) = CuF + RbSO4
CaCl2 + CaCO3 = ClCO3 + Ca =>
CaCl2 + 2 CaCO3 = 2 ClCO3 + 3 Ca
O2 + C5H12O2 = H2O + CO5 =>
29 O2 + 2 C5H12O2 = 12 H2O + 10 CO5
HCl + Fe(OH)3 = Fe(OH)2Cl + H2O =>
HCl + Fe(OH)3 = Fe(OH)2Cl + H2O
Na[Cu(OH)2] = Cu2O + H2O + NaOH =>
2 Na[Cu(OH)2] = Cu2O + H2O + 2 NaOH
AgCl + Na(NO3) = Ag(NO3) + ClNa =>
AgCl + Na(NO3) = Ag(NO3) + ClNa
Cu + HNO3 = Cu(NO3)33 + NO + H2O =>
Cu + 44 HNO3 = Cu(NO3)33 + 11 NO + 22 H2O
MnO4{-} + H3O{+} + Mn2{+} = MnO2 + H2O =>
7 MnO4{-} + 4 H3O{+} + 3 Mn2{+} = 13 MnO2 + 6 H2O
Cl2 + Cr(OH)3 + OH{-} = Cl{-} + (CrO4)2{-} + H2O =>
9 Cl2 + 4 Cr(OH)3 + 20 OH{-} = 18 Cl{-} + 2(CrO4)2{-} + 16 H2O
H2O + CO2 = C6H12O6 + O2 =>
6 H2O + 6 CO2 = C6H12O6 + 6 O2
PbI2 + KNO3 + CH3COOH = Pb(CH3COO)2 + KI + HNO3 =>
PbI2 + 2 KNO3 + 2 CH3COOH = Pb(CH3COO)2 + 2 KI + 2 HNO3
C15H20O + C6H10 = C15H26O + C6H6 =>
2 C15H20O + 3 C6H10 = 2 C15H26O + 3 C6H6
CrCl3 + H3PO4 = HCl + CrPO4 =>
CrCl3 + H3PO4 = 3 HCl + CrPO4
Ni(NO3)3 + (NH4)2CO3 = Ni2(CO3)3 + NH4NO3 =>
2 Ni(NO3)3 + 3(NH4)2CO3 = Ni2(CO3)3 + 6 NH4NO3
H2NCH2COONa + H2O = H2NCH2COOH + NaOH =>
H2NCH2COONa + H2O = H2NCH2COOH + NaOH
GaN(s) = Ga(s) + N2 =>
2 GaN(s) = 2 Ga(s) + N2
Cu + FeO = CuO + Fe =>
Cu + FeO = CuO + Fe
BaCl2(l) + Na2SO4 = NaCl(l) + BaSO4(s) =>
BaCl2(l) + Na2SO4 = 2 NaCl(l) + BaSO4(s)
AlCl3 + K2O + H2O = K3[Al(OH)6] + HCl =>
2 AlCl3 + 3 K2O + 9 H2O = 2 K3[Al(OH)6] + 6 HCl
C6H12O6 + SO4{2-} = HCO3{-} + HS{-} + H{+} =>
C6H12O6 + 3 SO4{2-} = 6 HCO3{-} + 3 HS{-} + 3 H{+}
Na3PO4 + KOH = NaOH + K3PO4 =>
Na3PO4 + 3 KOH = 3 NaOH + K3PO4
NH4HCO3(s) = NH3(s) + H2O(s) + CO2(g) =>
NH4HCO3(s) = NH3(s) + H2O(s) + CO2(g)
Br2 + CO2 = Br2CO2 =>
Br2 + CO2 = Br2CO2
nickel + O2 = NiO =>
2 Ni + O2 = 2 NiO
Ni + H3PO4 = Ni3PO4 + H2 =>
6 Ni + 2 H3PO4 = 2 Ni3PO4 + 3 H2
BiS3 + HNO3 = Bi + SHNO3 =>
BiS3 + 3 HNO3 = Bi + 3 SHNO3
Mg2(SO4)2 + H2O = Mg(OH)2 + H2SO4 =>
Mg2(SO4)2 + 4 H2O = 2 Mg(OH)2 + 2 H2SO4
Ca(s) + CuF2(aq) = Cu(s) + CaF2(s) =>
Ca(s) + CuF2(aq) = Cu(s) + CaF2(s)
Mg(s) + HCl(aw) = MgCl2(aw) + H2(g) =>
Mg(s) + 2 HCl(aw) = MgCl2(aw) + H2(g)
C + CuO = CO2 + Cu =>
C + 2 CuO = CO2 + 2 Cu
Li2S + O2 = Li2SO4 =>
Li2S + 2 O2 = Li2SO4
KCIO3 + HCl = KCI + Cl2 + H2O =>
KCIO3 + 6 HCl = KCI + 3 Cl2 + 3 H2O
FeCl3 + Na2S = Fe2S3 + NaCl =>
2 FeCl3 + 3 Na2S = Fe2S3 + 6 NaCl
CaCl2 + Na3PO4 = Ca3(PO4)2 + NaCl =>
3 CaCl2 + 2 Na3PO4 = Ca3(PO4)2 + 6 NaCl
K2Cr2O7 + HNO3 = KNO3 + O2 + H2Cr2O5 =>
K2Cr2O7 + 2 HNO3 = 2 KNO3 + O2 + H2Cr2O5
H{+} + Fe{2+} + Cr2O7{2-} = Cr{3+} + Fe{3+} + H2O =>
14 H{+} + 6 Fe{2+} + Cr2O7{2-} = 2 Cr{3+} + 6 Fe{3+} + 7 H2O
NH4Fe(SO4)2*12H2O + H2SO4 = Fe2(SO4)3 + (NH4)HSO4 + H2O =>
2 NH4Fe(SO4)2*12H2O + H2SO4 = Fe2(SO4)3 + 2(NH4)HSO4 + 24 H2O
Sn(NO3)4 + Al(OH)3 = Sn(OH)4 + Al(NO3)3 =>
3 Sn(NO3)4 + 4 Al(OH)3 = 3 Sn(OH)4 + 4 Al(NO3)3
AgNO3(aq) + HCl(aq) = AgCl + HNO3 =>
AgNO3(aq) + HCl(aq) = AgCl + HNO3
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Équations équilibrées sur01/04/25
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