| Équations équilibrées la veille | Équations équilibrées le lendemain |
4 Cl2(g) + 2 C2H2(g) = C2H2Cl4(l)C2H2Cl4
Mn(OH)2 + CaO = Ca(OH)2 + MnO =>
Mn(OH)2 + CaO = Ca(OH)2 + MnO
BaCO3 + Al = BaO + Al2O3 + C =>
3 BaCO3 + 4 Al = 3 BaO + 2 Al2O3 + 3 C
F2 + O2 = F2O =>
2 F2 + O2 = 2 F2O
HgO + P2O5 = Hg(PO3)2 =>
HgO + P2O5 = Hg(PO3)2
Cu(s) + HCl(l) = CuCl2(l) + H2(g) =>
Cu(s) + 2 HCl(l) = CuCl2(l) + H2(g)
NaHCO3OH + HCOOH = H2O + CO2 + Na =>
NaHCO3OH + HCOOH = 2 H2O + 2 CO2 + Na
Au + SCN{-} = Au(SCN)2{-2} =>
Au + 2 SCN{-} = Au(SCN)2{-2}
H2O2 + KI + H2SO4 = I2 + K2SO4 + H2O =>
H2O2 + 2 KI + H2SO4 = I2 + K2SO4 + 2 H2O
CO + O2 = CO2 =>
2 CO + O2 = 2 CO2
H2CO3 + KOH = (K)2CO3 + H2O =>
H2CO3 + 2 KOH = (K)2CO3 + 2 H2O
CH2 + NH4ClO4 = N2 + CO2 + H2O + HCl =>
5 CH2 + 6 NH4ClO4 = 3 N2 + 5 CO2 + 14 H2O + 6 HCl
B2O3 + K2O = K3BO3 =>
B2O3 + 3 K2O = 2 K3BO3
Na2S(aq) + ZnCl2(aq) = NaCl(aq) + ZnS(aq) =>
Na2S(aq) + ZnCl2(aq) = 2 NaCl(aq) + ZnS(aq)
HI + H2O = HO + H2I =>
HI + H2O = HO + H2I
Na2CO3 + HNO3 = Na2(NO3)2 + H2(CO3) =>
Na2CO3 + 2 HNO3 = Na2(NO3)2 + H2(CO3)
Pb(H2PO4)2 + Na(OH)2 = PbPO4 + Na2PO4 + H2O =>
Pb(H2PO4)2 + 2 Na(OH)2 = PbPO4 + Na2PO4 + 4 H2O
CrO3 = Cr23 + O2 =>
46 CrO3 = 2 Cr23 + 69 O2
Al + HgBr2 = Al2Br + Hg2 =>
8 Al + 2 HgBr2 = 4 Al2Br + Hg2
NI + H2O = NIOH + H2 =>
2 NI + 2 H2O = 2 NIOH + H2
K2CO3 + H2SO4 = K2SO4 + H2(CO3) =>
K2CO3 + H2SO4 = K2SO4 + H2(CO3)
O{-2} = {-} + O2 =>
2 O{-2} = 4e + O2
K2CO3 + MgI2 = KI2 + Mg2(CO3) =>
K2CO3 + 2 MgI2 = 2 KI2 + Mg2(CO3)
As + H{+} + e = AsH3 =>
As + 3 H{+} + 3e = AsH3
Cl + NaOH = Na2ClO3 + NaCl + H2O =>
5 Cl + 6 NaOH = Na2ClO3 + 4 NaCl + 3 H2O
MgSO4(aq) + BaCl2(aq) = MgCl2(aq) + BaSO4(aq) =>
MgSO4(aq) + BaCl2(aq) = MgCl2(aq) + BaSO4(aq)
HCl(aq) + As2O3(s) + NaNO3(aq) + H2O(l) = NO(g) + H3AsO4(aq) + NaCl(aq) =>
4 HCl(aq) + 3 As2O3(s) + 4 NaNO3(aq) + 7 H2O(l) = 4 NO(g) + 6 H3AsO4(aq) + 4 NaCl(aq)
XeF2 + HBr = Br2 + HF + Xe =>
XeF2 + 2 HBr = Br2 + 2 HF + Xe
NH3 + NaClO = NaCl + H2O2 + N2 =>
2 NH3 + 6 NaClO = 6 NaCl + 3 H2O2 + N2
Na2S + CaCl2 = Na2Ca + SCl2 =>
Na2S + CaCl2 = Na2Ca + SCl2
KIO3 + FeSO4 + H2SO4 = Fe(SO4)3 + I + K2SO4 + H2O =>
4 KIO3 + 5 FeSO4 + 12 H2SO4 = 5 Fe(SO4)3 + 4 I + 2 K2SO4 + 12 H2O
C2H5Br + H2 = C2H6 + HBr =>
C2H5Br + H2 = C2H6 + HBr
LiMnO4 + CuO = Li2O + Cu(MnO4)2 =>
2 LiMnO4 + CuO = Li2O + Cu(MnO4)2
Cr + NaCl = CrCl3 + Na =>
Cr + 3 NaCl = CrCl3 + 3 Na
KI(s) + H2SO4(aq) = K2SO4(aq)SO2(g) + I2(g) + H2O(l) =>
2 KI(s) + 2 H2SO4(aq) = K2SO4(aq)SO2(g) + I2(g) + 2 H2O(l)
C4H9NO2 + HBr = C4H8NOBr + H2O =>
C4H9NO2 + HBr = C4H8NOBr + H2O
CH3COOCH2CH3 + KMnO4 + H2SO4 = CH3COOH + MnSO4 + K2SO4 + H2O =>
5 CH3COOCH2CH3 + 4 KMnO4 + 6 H2SO4 = 10 CH3COOH + 4 MnSO4 + 2 K2SO4 + 6 H2O
Na2B4O7 + H2O = B(OH)3Na[B(OH)4] =>
Na2B4O7 + 7 H2O = 2 B(OH)3Na[B(OH)4]
Cl2O7 + K2O = KClO4 =>
Cl2O7 + K2O = 2 KClO4
Cu3AsO4 = Cu2O + O2 + As4O6 =>
4 Cu3AsO4 = 6 Cu2O + 2 O2 + As4O6
(COOH)2 + NaOH = (NaCOO)2 + H2O =>
(COOH)2 + 2 NaOH = (NaCOO)2 + 2 H2O
Ca + FeCl2 = Ca2Cl + Fe =>
4 Ca + FeCl2 = 2 Ca2Cl + Fe
NiSO4 + KCN = K2SO4 + Ni(CN)2 =>
NiSO4 + 2 KCN = K2SO4 + Ni(CN)2
K2CrO7 + LiI + H2SO4 = I2 + Cr2(SO4)3 + K2SO4 + Li2SO4 + H2O =>
2 K2CrO7 + 18 LiI + 14 H2SO4 = 9 I2 + Cr2(SO4)3 + 2 K2SO4 + 9 Li2SO4 + 14 H2O
CoCl2 + NaOH = Co(OH)2 + NaCl =>
CoCl2 + 2 NaOH = Co(OH)2 + 2 NaCl
HMnO4 + HCl = Cl + MnCl2 + H2O =>
HMnO4 + 7 HCl = 5 Cl + MnCl2 + 4 H2O
H2S + O2 = S8O2 + H2O =>
8 H2S + 5 O2 = S8O2 + 8 H2O
Pb + Na + C2H5Cl = Pb(C2H5)4 + NaCl = =>
Pb + 4 Na + 4 C2H5Cl = Pb(C2H5)4 + 4 NaCl
Fe(NO3)2 + H2SO4 = Fe(NO3)3 + Fe2(SO4)3 + NO + H2O =>
9 Fe(NO3)2 + 6 H2SO4 = 5 Fe(NO3)3 + 2 Fe2(SO4)3 + 3 NO + 6 H2O
NH3 + O2 = N3O2 + H2O =>
12 NH3 + 13 O2 = 4 N3O2 + 18 H2O
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| Équations équilibrées la veille | Équations équilibrées le lendemain |
Équations équilibrées sur06/02/24
Équations équilibrées sur07/02/23
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