| Équations équilibrées la veille | Équations équilibrées le lendemain |
2 BF3 + 3 Li2SO3 = B2(SO3)3 + 6 LiF
Zn + FeI2 = ZnI2 + Fe =>
Zn + FeI2 = ZnI2 + Fe
CuO(s) + C(s) = Cu(s) + CO2(g) =>
2 CuO(s) + C(s) = 2 Cu(s) + CO2(g)
CrCl6 = Cr + Cl2 =>
CrCl6 = Cr + 3 Cl2
Br2 + H2S = HBr + S8 =>
8 Br2 + 8 H2S = 16 HBr + S8
NaMnO4 = Na2MnO4 + MnO2 + O2 =>
2 NaMnO4 = Na2MnO4 + MnO2 + O2
FeSO4 + NaClO3 + NaOH = Na2FeO4 + Cl2 + Na2SO4 + H2O =>
5 FeSO4 + 4 NaClO3 + 16 NaOH = 5 Na2FeO4 + 2 Cl2 + 5 Na2SO4 + 8 H2O
C6H5COOH + Ba(OH)2 = (C6H5COO)2Ba + H2O =>
2 C6H5COOH + Ba(OH)2 = (C6H5COO)2Ba + 2 H2O
K2S2O3 + Cl2 + H2O = KHSO4 + HCl =>
K2S2O3 + 4 Cl2 + 5 H2O = 2 KHSO4 + 8 HCl
Sn(ClO3)2 = SnCl2 + O =>
Sn(ClO3)2 = SnCl2 + 6 O
CH4 + C = C2H2 =>
CH4 + 3 C = 2 C2H2
CoCl2 + F = CoF2 + Cl =>
CoCl2 + 2 F = CoF2 + 2 Cl
Fe + KSCN = Fe(SCN)2 + K =>
Fe + 2 KSCN = Fe(SCN)2 + 2 K
Na + FeO = NaO + Fe =>
Na + FeO = NaO + Fe
NH4SCN + (NH4)2Cr2O7 = (NH4)2[Cr(SCN)4(NH3)2] + NH3 + H2O + O2 =>
8 NH4SCN + (NH4)2Cr2O7 = 2(NH4)2[Cr(SCN)4(NH3)2] + 2 NH3 + 3 H2O + 2 O2
PoO2 + H2O = Po(OH)4 =>
PoO2 + 2 H2O = Po(OH)4
H3BO3 + C2H5OH = B(C2H5O)3 + H2O =>
H3BO3 + 3 C2H5OH = B(C2H5O)3 + 3 H2O
NaAlO2 + H2O2 = Al(OH)4{-} + Na{+} + O2 =>
NaAlO2 + 2 H2O2 = Al(OH)4{-} + Na{+} + O2
H3PO4 + NH4 = (NH4)3PO4 + H2 =>
2 H3PO4 + 6 NH4 = 2(NH4)3PO4 + 3 H2
Na(s) + Br2(l) = NaBr(s) =>
2 Na(s) + Br2(l) = 2 NaBr(s)
Fe2O3 + CO = Fe + CO2 =>
Fe2O3 + 3 CO = 2 Fe + 3 CO2
Cl2 + BaF2 = BaCl2 + F2 =>
Cl2 + BaF2 = BaCl2 + F2
Zn + NO3{-} + OH{-} + H2O = Zn(OH)4{-2} + NH3 =>
4 Zn + NO3{-} + 7 OH{-} + 6 H2O = 4 Zn(OH)4{-2} + NH3
C6H7NO3S + Na2CO3 = C6H6NO3SNa + H2O + CO2 =>
2 C6H7NO3S + Na2CO3 = 2 C6H6NO3SNa + H2O + CO2
CaSO4 + LiOH = Ca(OH)2 + Li2SO4 =>
CaSO4 + 2 LiOH = Ca(OH)2 + Li2SO4
C2H2(l) + O2(g) = CO2(g) + H2O(g) =>
2 C2H2(l) + 5 O2(g) = 4 CO2(g) + 2 H2O(g)
CuSO4(s) = CuO(s) + SO3(g) =>
CuSO4(s) = CuO(s) + SO3(g)
HF + KOH = HOH + KF =>
HF + KOH = HOH + KF
BaSO4 + CH3COOH = BaCH3COOH + SO4CH3COOH =>
BaSO4 + 2 CH3COOH = BaCH3COOH + SO4CH3COOH
N2 + O2 = N2O =>
2 N2 + O2 = 2 N2O
Hg + HNO3 = Hg2(NO3)3 + NO + H2O =>
2 Hg + 4 HNO3 = Hg2(NO3)3 + NO + 2 H2O
Fe2O3 + NaOH = NaFeO2 + H2O =>
Fe2O3 + 2 NaOH = 2 NaFeO2 + H2O
(C)2(H)2 + (O)2 = (CO)2 + (H)2(O) =>
2(C)2(H)2 + 3(O)2 = 2(CO)2 + 2(H)2(O)
H3PO3 + KOH = KH2PO3 + H2O =>
H3PO3 + KOH = KH2PO3 + H2O
W3N4 = W3 + N4 =>
W3N4 = W3 + N4
Fe2 + F = Fe3F =>
3 Fe2 + 2 F = 2 Fe3F
Na2Se + GaCl3 = NaCl + Ga2Se3 =>
3 Na2Se + 2 GaCl3 = 6 NaCl + Ga2Se3
CuSO4(aq) + NaHCO3(aq) = CuCO3 + CO2 + H2O + Na2SO4 =>
CuSO4(aq) + 2 NaHCO3(aq) = CuCO3 + CO2 + H2O + Na2SO4
NaVO3 + Zn + HCl = NaCl + VOCl2 + ZnCl2 + H2O =>
2 NaVO3 + Zn + 8 HCl = 2 NaCl + 2 VOCl2 + ZnCl2 + 4 H2O
Fe2O3 + Cl2O5 = Fe(ClO3)3 =>
Fe2O3 + 3 Cl2O5 = 2 Fe(ClO3)3
NaCl(s) + H2SO4(aq) = Na2SO4 + HCl =>
2 NaCl(s) + H2SO4(aq) = Na2SO4 + 2 HCl
Cu + O2 + NH3 + H2O = [Cu(NH3)2]OH =>
4 Cu + O2 + 8 NH3 + 2 H2O = 4[Cu(NH3)2]OH
AgClO4(aq) + MgSO4(aq) = Mg(ClO4)2(aq) + Ag2SO4(s) =>
2 AgClO4(aq) + MgSO4(aq) = Mg(ClO4)2(aq) + Ag2SO4(s)
V + HCl = VCl + H =>
V + HCl = VCl + H
Na2S + CuBr2 = NaBr + CuS =>
Na2S + CuBr2 = 2 NaBr + CuS
C4H12 + O2 = CO2 + H2O =>
C4H12 + 7 O2 = 4 CO2 + 6 H2O
HCN + KOH + S = KSCN + H2O =>
HCN + KOH + S = KSCN + H2O
K2Cr2O7 + H2SO4 + Ag = Cr2(SO4)3 + Ag2SO4 + K2SO4 + H2O =>
K2Cr2O7 + 7 H2SO4 + 6 Ag = Cr2(SO4)3 + 3 Ag2SO4 + K2SO4 + 7 H2O
NH4Cl(aq) + Ca(NO3)2(aq) = NH4NO3(aq) + CaCl2(aq) =>
2 NH4Cl(aq) + Ca(NO3)2(aq) = 2 NH4NO3(aq) + CaCl2(aq)
Al2O3 = Al + O2 =>
2 Al2O3 = 4 Al + 3 O2
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| Équations équilibrées la veille | Équations équilibrées le lendemain |
Équations équilibrées sur10/23/24
Équations équilibrées sur11/22/23
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