| Équations équilibrées la veille |
2 Na + 2 H2O = 2 NaOH + H2
Zn + PbCH3COO = Pb + ZnCH3COO =>
Zn + PbCH3COO = Pb + ZnCH3COO
C6H3(s) + O2(g) = H2O(l) + CO2(g) =>
4 C6H3(s) + 27 O2(g) = 6 H2O(l) + 24 CO2(g)
Bi2(CO3)5(s) + HBr(aq) = BiBr5(s) + H2CO3(aq) =>
Bi2(CO3)5(s) + 10 HBr(aq) = 2 BiBr5(s) + 5 H2CO3(aq)
Cu2 + HCl = CuCl3 + HCu =>
2 Cu2 + 3 HCl = CuCl3 + 3 HCu
C7H7NO2 + NH2OH = C7H7NO + N2 + H2O =>
C7H7NO2 + 2 NH2OH = C7H7NO + N2 + 3 H2O
HSO4 + Mg = MgSO4 + H2 =>
2 HSO4 + 2 Mg = 2 MgSO4 + H2
Fe + O2 = Fe2O3 =>
4 Fe + 3 O2 = 2 Fe2O3
Fe2O3 + CO = Fe + CO2 =>
Fe2O3 + 3 CO = 2 Fe + 3 CO2
Al + NO3{-} + OH{-} = AlO3{3-} + NH3 + H2O =>
8 Al + 3 NO3{-} + 21 OH{-} = 8 AlO3{3-} + 3 NH3 + 6 H2O
CH3(CH2)3OH(l) + O2(g) = CO2(g) + H2O(g) =>
CH3(CH2)3OH(l) + 6 O2(g) = 4 CO2(g) + 5 H2O(g)
Fe + N = Fe5N2 =>
5 Fe + 2 N = Fe5N2
KCl + SiO2 = SiCl4 + K2O =>
4 KCl + SiO2 = SiCl4 + 2 K2O
Fe2(SO4)3 + K2Cr2O7 = Fe2(Cr2O7)3 + K2SO4 =>
Fe2(SO4)3 + 3 K2Cr2O7 = Fe2(Cr2O7)3 + 3 K2SO4
Zn(OH)2 + SiO2 = ZnSiO3 + H2O =>
Zn(OH)2 + SiO2 = ZnSiO3 + H2O
KI(aq) + AgNO3(aq) = KNO3() + AgI() =>
KI(aq) + AgNO3(aq) = KNO3() + AgI()
NaOH + Fe(Cl)2 = NaCl + Fe(OH)2 =>
2 NaOH + Fe(Cl)2 = 2 NaCl + Fe(OH)2
CuCl10 + Zn = Cu + ZnCl2 =>
CuCl10 + 5 Zn = Cu + 5 ZnCl2
Fe + O2 = Fe2O3 =>
4 Fe + 3 O2 = 2 Fe2O3
Cu2(SO4)3 + H2 = Cu + H2SO4 =>
Cu2(SO4)3 + 3 H2 = 2 Cu + 3 H2SO4
H2SiCl2 + H2O = H8Si4O4 + HCl =>
4 H2SiCl2 + 4 H2O = H8Si4O4 + 8 HCl
Fe + O2 = Fe2O3 =>
4 Fe + 3 O2 = 2 Fe2O3
FeO + NaNO3 + H2SO4 = Fe2(SO4)3 + NO + H2O + Na2SO4 =>
6 FeO + 2 NaNO3 + 10 H2SO4 = 3 Fe2(SO4)3 + 2 NO + 10 H2O + Na2SO4
NO2 + KOH = K2NO3 + H2O =>
NO2 + 2 KOH = K2NO3 + H2O
Fe + O2 = Fe2O3 =>
4 Fe + 3 O2 = 2 Fe2O3
CH3CH2CO2H(l) + O2(g) = CO2(g) + H2O(g) =>
2 CH3CH2CO2H(l) + 7 O2(g) = 6 CO2(g) + 6 H2O(g)
BiO3 + H2O = Bi + OH =>
BiO3 + 3 H2O = Bi + 6 OH
Pb(OAc)4{-2} + CrO4{-2} = PbCrO4 + OAc{-} =>
Pb(OAc)4{-2} + CrO4{-2} = PbCrO4 + 4 OAc{-}
CoCl2(aq) + Na2CO3 = CoCO3 + NaCl =>
CoCl2(aq) + Na2CO3 = CoCO3 + 2 NaCl
CH3CH2COOC2H5 + O2 = CO2 + H2O =>
2 CH3CH2COOC2H5 + 13 O2 = 10 CO2 + 10 H2O
Al + H{-}1 + NO3{-}1 + H2O = AlO2{-}1 + NH3 =>
2 Al + H{-}1 + NO3{-}1 + H2O = 2 AlO2{-}1 + NH3
OH + I = IO4 + H2O =>
8 OH + I = IO4 + 4 H2O
FeO + C = Fe + CO =>
FeO + C = Fe + CO
Fe2O3 + CO = Fe + CO2 =>
Fe2O3 + 3 CO = 2 Fe + 3 CO2
ClO2 + H2O2 = HClO2 + O2 =>
2 ClO2 + H2O2 = 2 HClO2 + O2
NaCO3 + HCl = ClCO3 + NaH =>
NaCO3 + HCl = ClCO3 + NaH
H2SO4 + Zn = H2 + ZnSO4 =>
H2SO4 + Zn = H2 + ZnSO4
C5H10O + O2 = C2O4 + H2O =>
2 C5H10O + 14 O2 = 5 C2O4 + 10 H2O
C7H10NO2S + O2 = CO2 + H2O + NO + SO2 =>
C7H10NO2S + 10 O2 = 7 CO2 + 5 H2O + NO + SO2
BaS + Si = Ba + SiS2 =>
2 BaS + Si = 2 Ba + SiS2
Ca(OH)2 + Na3PO4 = Ca(PO4) + Na3(OH)2 =>
Ca(OH)2 + Na3PO4 = Ca(PO4) + Na3(OH)2
C3H8O3 + O2 = CO2 + H2O =>
2 C3H8O3 + 7 O2 = 6 CO2 + 8 H2O
Mg + HOOCCOOH = Mg(OOCCOOH)2 + H2 =>
Mg + 2 HOOCCOOH = Mg(OOCCOOH)2 + H2
H2S + Pb(NO3)2 = PbS(s) + HNO3 =>
H2S + Pb(NO3)2 = PbS(s) + 2 HNO3
C7H14 + O2 = CO + H2O =>
C7H14 + 7 O2 = 7 CO + 7 H2O
FeCl3(aq) + LiOH(aq) = FeOH(s) + LiCl3(aq) =>
FeCl3(aq) + LiOH(aq) = FeOH(s) + LiCl3(aq)
OH{-} + Cl2 + MnO2 = MnO4{-} + Cl{-} + H2O =>
8 OH{-} + 3 Cl2 + 2 MnO2 = 2 MnO4{-} + 6 Cl{-} + 4 H2O
C5H11Cl + Na = NaCl + C10H22 =>
2 C5H11Cl + 2 Na = 2 NaCl + C10H22
HBr2 + Hg = H2 + HgBr2 =>
2 HBr2 + 2 Hg = H2 + 2 HgBr2
Li + N2 = Li3N =>
6 Li + N2 = 2 Li3N
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Équations équilibrées sur11/02/24
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