| Équations équilibrées la veille |
4 C2H6OH(l) + 13 O2 = 8 CO2 + 14 H2O(g)
HF + O2 = H2O + F =>
4 HF + O2 = 2 H2O + 4 F
MgBr = Br + Mg2 =>
2 MgBr = 2 Br + Mg2
NaCl + CaO = CaCl2Na2O =>
2 NaCl + CaO = CaCl2Na2O
Na2SiO3 + Cl2 + H2O = NaCl + H2SiO3 + O2 =>
2 Na2SiO3 + 2 Cl2 + 2 H2O = 4 NaCl + 2 H2SiO3 + O2
CH3COONa + FeCl3 = Fe(CH3COO)3 + NaCl =>
3 CH3COONa + FeCl3 = Fe(CH3COO)3 + 3 NaCl
FeI2 + NaOH = Fe(OH)2 + NaI =>
FeI2 + 2 NaOH = Fe(OH)2 + 2 NaI
NH3(g) + HCl(ac) = NH4Cl(s) =>
NH3(g) + HCl(ac) = NH4Cl(s)
Ni + H3PO4 = NiPO4 + H =>
Ni + H3PO4 = NiPO4 + 3 H
Na2O + HNO3 = NaNO3 + H2O =>
Na2O + 2 HNO3 = 2 NaNO3 + H2O
F + O = FO2 =>
F + 2 O = FO2
NO2 + NH2 = HNO3 + NO =>
5 NO2 + NH2 = 2 HNO3 + 4 NO
MnCo3 + H2SO4 = MnSO4 + H2Co3 =>
MnCo3 + H2SO4 = MnSO4 + H2Co3
Al(NO3)3(aq) + Na2Cr2O7(aq) = Al2(Cr2O7)3(s) + NaNO3(aq) =>
2 Al(NO3)3(aq) + 3 Na2Cr2O7(aq) = Al2(Cr2O7)3(s) + 6 NaNO3(aq)
Mg + Fe2O3 = Fe + MgO =>
3 Mg + Fe2O3 = 2 Fe + 3 MgO
BaSO4 + HClO4 = Ba(ClO4)2 + H2SO4 =>
BaSO4 + 2 HClO4 = Ba(ClO4)2 + H2SO4
(NH4)Cl + Ca(OH)2 = (NH4)(OH) + CaCl2 =>
2(NH4)Cl + Ca(OH)2 = 2(NH4)(OH) + CaCl2
CH3CH2CH2OH + HBr = CH3CH2Br + H2O =>
2 CH3CH2CH2OH + 3 HBr = 3 CH3CH2Br + 2 H2O
{-} + H{+} + HCl + K2Cr2O7 = CrCl3 + KCl + H2O =>
6e + 6 H{+} + 8 HCl + K2Cr2O7 = 2 CrCl3 + 2 KCl + 7 H2O
FeO3 + H2O = Fe(OH)6 =>
FeO3 + 3 H2O = Fe(OH)6
ZnCO3 + BaCl2 = ZnCl2 + BaCO3 =>
ZnCO3 + BaCl2 = ZnCl2 + BaCO3
H2O + BaI2 = HI + Ba(OH)2 =>
2 H2O + BaI2 = 2 HI + Ba(OH)2
KH + S = K2S + H =>
2 KH + S = K2S + 2 H
CH3OH + KMnO4 + KOH = KHCO3 + K2MnO4 + H2O =>
CH3OH + 6 KMnO4 + 7 KOH = KHCO3 + 6 K2MnO4 + 5 H2O
K2Cr2O7 + K2SO3 + H2SO4 = Cr2(SO4)3 + K2SO4 + H2O =>
K2Cr2O7 + 3 K2SO3 + 4 H2SO4 = Cr2(SO4)3 + 4 K2SO4 + 4 H2O
CuCe2 + Ae = AeCe3 + Cu =>
3 CuCe2 + 2 Ae = 2 AeCe3 + 3 Cu
LiOH + Al(NO3)3 = LiNO3 + Al(OH)3 =>
3 LiOH + Al(NO3)3 = 3 LiNO3 + Al(OH)3
FeCO3 + H2CO3 = Fe(HCO3)2 =>
FeCO3 + H2CO3 = Fe(HCO3)2
As2O3 + KMnO4 + H2SO4 + H2O = H3AsO4 + MnSO4 + K2SO4 =>
5 As2O3 + 4 KMnO4 + 6 H2SO4 + 9 H2O = 10 H3AsO4 + 4 MnSO4 + 2 K2SO4
Ca(s) + Cl(g) = CaCl(s) =>
Ca(s) + Cl(g) = CaCl(s)
H2S + FeCl = Fe2S + HCl =>
H2S + 2 FeCl = Fe2S + 2 HCl
F4S + H2O = SO2 + HF =>
F4S + 2 H2O = SO2 + 4 HF
KNO2(s) + C(s) = K2CO3(s) + CO(g) + N2(g) =>
2 KNO2(s) + 2 C(s) = K2CO3(s) + CO(g) + N2(g)
Cs2CO3 + HI = CsI + H2CO3 =>
Cs2CO3 + 2 HI = 2 CsI + H2CO3
Fe2 + NH3 + H2O = Fe(OH)2 + NH4 =>
Fe2 + 4 NH3 + 4 H2O = 2 Fe(OH)2 + 4 NH4
CaBr2 + Ag2SO4 = CaSO4 + AgBr =>
CaBr2 + Ag2SO4 = CaSO4 + 2 AgBr
K2CrO4 + NaBr = Na2CrO4 + KBr =>
K2CrO4 + 2 NaBr = Na2CrO4 + 2 KBr
Ca3(PO4) + SiO2 + C = CaSiO + P4 + CO =>
4 Ca3(PO4) + 12 SiO2 + 28 C = 12 CaSiO + P4 + 28 CO
C12H9BrN2O + C11H19NO6 = C23H26BrN3O6 + H2O =>
C12H9BrN2O + C11H19NO6 = C23H26BrN3O6 + H2O
CHKO3(s) + HCl(aq) = KCl(aq) + H2O(l) + CO2 =>
CHKO3(s) + HCl(aq) = KCl(aq) + H2O(l) + CO2
H2C2O4 + KClO3 = K2CO3 + CO2 + ClO2 + H2O =>
H2C2O4 + 2 KClO3 = K2CO3 + CO2 + 2 ClO2 + H2O
RbNO3 + KCl = RbCl + KNO3 =>
RbNO3 + KCl = RbCl + KNO3
Ba(OH)2 + H3PO3 = Ba2(HPO3)2 + H2O =>
2 Ba(OH)2 + 2 H3PO3 = Ba2(HPO3)2 + 4 H2O
Fe2O3 + N2 = NO + Fe =>
2 Fe2O3 + 3 N2 = 6 NO + 4 Fe
H3PO4 + Ca(OH)2 = Ca3(PO4)2 + H2O =>
2 H3PO4 + 3 Ca(OH)2 = Ca3(PO4)2 + 6 H2O
MnO4{-} + CH2CH2 + H2O = CH2OHCH2OH + OH{-} + MnO2 =>
2 MnO4{-} + 3 CH2CH2 + 4 H2O = 3 CH2OHCH2OH + 2 OH{-} + 2 MnO2
Cl2 + Na2O2 = NaCl + O2 =>
Cl2 + Na2O2 = 2 NaCl + O2
[Co(NH3)6]Cl3 + Ag(NH3) = AgCl + Co(NH3)6 + NH3 =>
[Co(NH3)6]Cl3 + 3 Ag(NH3) = 3 AgCl + Co(NH3)6 + 3 NH3
Br + O2 = Br2O3 =>
4 Br + 3 O2 = 2 Br2O3
FeSO4 + Ag = Ag2SO4 + Fe =>
FeSO4 + 2 Ag = Ag2SO4 + Fe
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Équations équilibrées sur11/23/24
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