| Équations équilibrées la veille | Équations équilibrées le lendemain |
4 Al + 3 PbO2 = 2 Al2O3 + 3 Pb
CH3CH2OH + H2SO4 + K2Cr2O7 = Cr2(SO4)3 + K2SO2 + CH3COOH + H2O =>
5 CH3CH2OH + 8 H2SO4 + 2 K2Cr2O7 = 2 Cr2(SO4)3 + 2 K2SO2 + 5 CH3COOH + 13 H2O
NaOH(aq) + CO2(aq) = Na2CO3(aq) + H2O =>
2 NaOH(aq) + CO2(aq) = Na2CO3(aq) + H2O
Ca(H2PO4)2(s) + NaHCO3(s) = CO2(g) + H2O(g) + Ca3(PO4)2(s) + Na2HPO4(s) =>
3 Ca(H2PO4)2(s) + 8 NaHCO3(s) = 8 CO2(g) + 8 H2O(g) + Ca3(PO4)2(s) + 4 Na2HPO4(s)
CuCl2(aq) + Na2S(aq) = CuS(s) + NaCl(aq) =>
CuCl2(aq) + Na2S(aq) = CuS(s) + 2 NaCl(aq)
Cu2C2 + HNO3 = Cu(NO3)2 + CO2 + H2O + NO2 =>
Cu2C2 + 16 HNO3 = 2 Cu(NO3)2 + 2 CO2 + 8 H2O + 12 NO2
(NH4)2CO3 + Ba(OH)2 = BaCO3 + NH3 + H2O =>
(NH4)2CO3 + Ba(OH)2 = BaCO3 + 2 NH3 + 2 H2O
(NH4)2MoO4 + HCl + SnCl2 = Mo4O10(OH)2 + SnCl4 + NH4Cl + H2O =>
4(NH4)2MoO4 + 10 HCl + SnCl2 = Mo4O10(OH)2 + SnCl4 + 8 NH4Cl + 4 H2O
C2H2 + H = C2H5 =>
C2H2 + 3 H = C2H5
Cu(s) + HNO3(l) = NO(g) + Cu(NO3)2(aq) + H2O(l) =>
3 Cu(s) + 8 HNO3(l) = 2 NO(g) + 3 Cu(NO3)2(aq) + 4 H2O(l)
KMnO4 + NaNO2 + HCl = KCl + MnCl2 + NaNO3 + H2O =>
2 KMnO4 + 5 NaNO2 + 6 HCl = 2 KCl + 2 MnCl2 + 5 NaNO3 + 3 H2O
BrO3 + NaOH = Na2BrO4 + H2O =>
BrO3 + 2 NaOH = Na2BrO4 + H2O
Zn + Na{+} + OH{-} + H2O = Na2[Zn(OH)4] + H2 =>
Zn + 2 Na{+} + 2 OH{-} + 2 H2O = Na2[Zn(OH)4] + H2
Na2O2 + CO2 = Na2CO3 + O2 =>
2 Na2O2 + 2 CO2 = 2 Na2CO3 + O2
CuSO4 + NH3 = [Cu(NH3)4]SO4 =>
CuSO4 + 4 NH3 = [Cu(NH3)4]SO4
Li + Mg(PO4) = Li3PO4 + Mg =>
3 Li + Mg(PO4) = Li3PO4 + Mg
Zn(NH3)4(OH)2 + HNO3 = Zn(NO3)2 + NH4NO3 + H2O =>
Zn(NH3)4(OH)2 + 6 HNO3 = Zn(NO3)2 + 4 NH4NO3 + 2 H2O
Na3VO4 + Na2SO3 + HCl = VOCl + NaCl + H2O + NaSO3 =>
Na3VO4 + 2 Na2SO3 + 6 HCl = VOCl + 5 NaCl + 3 H2O + 2 NaSO3
BaO + HOH = Ba + OH =>
BaO + HOH = Ba + 2 OH
H5IO6 + Cr + H{+} = IO3{-} + Cr{3+} + H2O =>
3 H5IO6 + 2 Cr + 3 H{+} = 3 IO3{-} + 2 Cr{3+} + 9 H2O
Co(NO3)2 + KOH = Co(OH)2 + KNO3 =>
Co(NO3)2 + 2 KOH = Co(OH)2 + 2 KNO3
Na2CO3 = Na2OCO2 =>
Na2CO3 = Na2OCO2
CaCO3(s) + CH3COOH(aq) = (CH3COO)2Ca(aq) + CO2(g) + H2O(l) =>
CaCO3(s) + 2 CH3COOH(aq) = (CH3COO)2Ca(aq) + CO2(g) + H2O(l)
K5B + Mg2C + Be3N2 = K4C + Mg3N2 + Be5B2 =>
12 K5B + 15 Mg2C + 10 Be3N2 = 15 K4C + 10 Mg3N2 + 6 Be5B2
As + NaOH = Na3AsO3 + H3 =>
As + 3 NaOH = Na3AsO3 + H3
CuSO4Na2CO3 = CuCO3Na2SO4 =>
CuSO4Na2CO3 = CuCO3Na2SO4
C16H26O4 + Ba(ClO3)2 = CO + H2O + BaCl2 =>
6 C16H26O4 + 25 Ba(ClO3)2 = 96 CO + 78 H2O + 25 BaCl2
BCl3 + H2O = H3BO3(aq) + HCl(aq) =>
BCl3 + 3 H2O = H3BO3(aq) + 3 HCl(aq)
NaMnO4 + FeSO4 + NaOH = Na2MnO4 + Fe(OH)3 + Fe2(SO4)3 =>
3 NaMnO4 + 3 FeSO4 + 3 NaOH = 3 Na2MnO4 + Fe(OH)3 + Fe2(SO4)3
KClO34(s) = KCl(s) + O2(g) =>
KClO34(s) = KCl(s) + 17 O2(g)
H2PO4 + K = K3PO4 + H2 =>
H2PO4 + 3 K = K3PO4 + H2
Br2 + H2O = BrO3{-} + Br{-} + H{+} =>
3 Br2 + 3 H2O = BrO3{-} + 5 Br{-} + 6 H{+}
NaHCO3 = Na2CO3CO2H2O =>
2 NaHCO3 = Na2CO3CO2H2O
Pb(C2H3O2)2(aq) + K2SO4(aq) = PbSO4(s) + KC2H3O2(aq) =>
Pb(C2H3O2)2(aq) + K2SO4(aq) = PbSO4(s) + 2 KC2H3O2(aq)
Be(OH)2 + Ba(OH)2 = Ba(Be(OH)4) =>
Be(OH)2 + Ba(OH)2 = Ba(Be(OH)4)
C2H6 + O2 = CO2 + H2O =>
2 C2H6 + 7 O2 = 4 CO2 + 6 H2O
Al2O3 + Ca(OH)2 = Ca3(AlO3)2 + H2O =>
Al2O3 + 3 Ca(OH)2 = Ca3(AlO3)2 + 3 H2O
Fe + NH4SCN = Fe(SCN) + NH4 =>
Fe + NH4SCN = Fe(SCN) + NH4
[Fe(NH3)6]{+2} + H2O = Fe(OH)2 + H{+} + NH3 =>
[Fe(NH3)6]{+2} + 2 H2O = Fe(OH)2 + 2 H{+} + 6 NH3
Mg + HClO = Mg(ClO)2 + H2 =>
Mg + 2 HClO = Mg(ClO)2 + H2
CaSO4 + CaS = CaO + SO2 =>
3 CaSO4 + CaS = 4 CaO + 4 SO2
CuSO4 + NaNO3 = Cu(NO3)2 + Na2SO4 =>
CuSO4 + 2 NaNO3 = Cu(NO3)2 + Na2SO4
Al + NH3 = Al(NH3)3 =>
Al + 3 NH3 = Al(NH3)3
KClO3 + Ba(MnO4)2 = K(MnO4)2 + BaClO3 =>
KClO3 + Ba(MnO4)2 = K(MnO4)2 + BaClO3
H2O + NO2({-}) + Al = NH4 + AlO2({-}) + H{+} =>
8 H2O + 3 NO2({-}) + 7 Al = 3 NH4 + 7 AlO2({-}) + 4 H{+}
NaCl + Zn(OH)2 = ZnCl2 + NaOH =>
2 NaCl + Zn(OH)2 = ZnCl2 + 2 NaOH
CO2Ba(OH)2 = BaCO3 + H2O =>
CO2Ba(OH)2 = BaCO3 + H2O
Zn(s) + Cu(NO3)2(aq) = Zn(NO3)(aq) + Cu(s) =>
2 Zn(s) + Cu(NO3)2(aq) = 2 Zn(NO3)(aq) + Cu(s)
NaOH + VOSO4 = VO2 + Na2SO4 + H2O =>
2 NaOH + VOSO4 = VO2 + Na2SO4 + H2O
Zn + ClH = H + ZnCl =>
Zn + ClH = H + ZnCl
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| Équations équilibrées la veille | Équations équilibrées le lendemain |
Équations équilibrées sur11/27/24
Équations équilibrées sur12/27/23
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