| Équations équilibrées la veille |
2 Cu2O(s) + O2 = 4 CuO(s)
C5H7O2N + H2O = CO2 + NH3 + H =>
C5H7O2N + 8 H2O = 5 CO2 + NH3 + 20 H
C3H7OH + KMnO4 + H2SO4 = C3H6O + K2SO4 + MnSO4 + H2O =>
5 C3H7OH + 2 KMnO4 + 3 H2SO4 = 5 C3H6O + K2SO4 + 2 MnSO4 + 8 H2O
NaClO2 + H2SO4 = Na2SO4 + ClO2 + H2 =>
2 NaClO2 + H2SO4 = Na2SO4 + 2 ClO2 + H2
(NH4)2SO4(aq) + Ba(C2H3O2)2(aq) = BaSO4(aq) + NH4C2H3O2(s) =>
(NH4)2SO4(aq) + Ba(C2H3O2)2(aq) = BaSO4(aq) + 2 NH4C2H3O2(s)
NH4Cl + Br2 = N2 + HCl + HBr =>
2 NH4Cl + 3 Br2 = N2 + 2 HCl + 6 HBr
Zn + Ca(OH)2 = Zn(OH)2 + Ca =>
Zn + Ca(OH)2 = Zn(OH)2 + Ca
C2H5OH + O2(g) = CO2(g) + H2O(g) =>
C2H5OH + 3 O2(g) = 2 CO2(g) + 3 H2O(g)
Al2(CO3)3 + H2O = Al(OH)3 + H2CO3 =>
Al2(CO3)3 + 6 H2O = 2 Al(OH)3 + 3 H2CO3
Cu(NO3) + Ag = Cu + Ag(NO3)3 =>
3 Cu(NO3) + Ag = 3 Cu + Ag(NO3)3
PbClF = Pb + ClF =>
PbClF = Pb + ClF
I + H2SO4 = HI + SO4 =>
2 I + H2SO4 = 2 HI + SO4
CuO + KOH = K2CuO2 + H2O =>
CuO + 2 KOH = K2CuO2 + H2O
Br + H2O = HBr + O2 =>
4 Br + 2 H2O = 4 HBr + O2
Ca + HCl(aq) = CaCl2 + H2 =>
Ca + 2 HCl(aq) = CaCl2 + H2
Bi(OH)3 + Sn(OH)3{-} = Sn(OH)6{-}2 + Bi =>
Bi(OH)3 + Sn(OH)3{-} = Sn(OH)6{-}2 + Bi
AgI + NH3 = Ag(NH3)2 + I =>
AgI + 2 NH3 = Ag(NH3)2 + I
FeAsS + HNO3 = Fe(NO3)3 + H3AsO4 + H2SO4 + NO2 + H2O =>
FeAsS + 17 HNO3 = Fe(NO3)3 + H3AsO4 + H2SO4 + 14 NO2 + 6 H2O
Ca(HCO3)2 + Na2Co3 = CaCo3 + NaHCO3 =>
Ca(HCO3)2 + Na2Co3 = CaCo3 + 2 NaHCO3
ClO{-} = Cl{-} + O2 =>
2 ClO{-} = 2 Cl{-} + O2
Fe + HCl(aq) = FeCl2 + H2 =>
Fe + 2 HCl(aq) = FeCl2 + H2
HI + Li2SiO3 = LiI + H2SiO3 =>
2 HI + Li2SiO3 = 2 LiI + H2SiO3
KF + HCl = KCl + HF =>
KF + HCl = KCl + HF
Na(s) + O2(g) = Na2O(s) =>
4 Na(s) + O2(g) = 2 Na2O(s)
Na2SO4 + KNO2 = NaNO2 + K2SO4 =>
Na2SO4 + 2 KNO2 = 2 NaNO2 + K2SO4
Ca3(PO4)2 + H2SO4(aq) = CaSO4 + H3PO4 =>
Ca3(PO4)2 + 3 H2SO4(aq) = 3 CaSO4 + 2 H3PO4
C12H22O11(s) + O2(g) = CO2(g) + H2O(l) =>
C12H22O11(s) + 12 O2(g) = 12 CO2(g) + 11 H2O(l)
S2(g) + O2(g) = SO2(g) =>
S2(g) + 2 O2(g) = 2 SO2(g)
N2O4 = NO2 =>
N2O4 = 2 NO2
Mn{2+} + H2O = MnO4{-} + H{+} + e =>
Mn{2+} + 4 H2O = MnO4{-} + 8 H{+} + 5e
AgNO3 + NH3 + H2O = [Ag(NH3)2]OH + NH4NO3 =>
AgNO3 + 3 NH3 + H2O = [Ag(NH3)2]OH + NH4NO3
Al(NO3)3(aq) + Ca(OH)2(aq) = Ca(NO3)2(aq) + Al(OH)3(s) =>
2 Al(NO3)3(aq) + 3 Ca(OH)2(aq) = 3 Ca(NO3)2(aq) + 2 Al(OH)3(s)
CO = C + O =>
CO = C + O
HNO3 + HBr = Br + NO + H2O =>
HNO3 + 3 HBr = 3 Br + NO + 2 H2O
C2H3Cl3 + O2 = CO2 + HCl =>
C2H3Cl3 + 2 O2 = 2 CO2 + 3 HCl
P4(s) + Br2(g) = PBr5(s) =>
P4(s) + 10 Br2(g) = 4 PBr5(s)
Fe2O3 + CO(g) = Fe(l) + CO2(g) =>
Fe2O3 + 3 CO(g) = 2 Fe(l) + 3 CO2(g)
C6H12O6 + OH{-} = C6H12O7 + H2O + e =>
C6H12O6 + 2 OH{-} = C6H12O7 + H2O + 2e
Au + H2O = Au2O3 + H2 =>
2 Au + 3 H2O = Au2O3 + 3 H2
BaS + ZnCl2 = ZnS + BaCl2 =>
BaS + ZnCl2 = ZnS + BaCl2
Mg + SIO2 = MgO + SI =>
2 Mg + SIO2 = 2 MgO + SI
Ca(NO3)2 + AlCl3 = CaCl2 + Al(NO3)3 =>
3 Ca(NO3)2 + 2 AlCl3 = 3 CaCl2 + 2 Al(NO3)3
C(s) + SO2(g) = CS2(g) + CO(g) =>
5 C(s) + 2 SO2(g) = CS2(g) + 4 CO(g)
Ni(s) + HCl(aq) = NiCl2(aq) + H2(g) =>
Ni(s) + 2 HCl(aq) = NiCl2(aq) + H2(g)
Ca(HSO3)2 = Ca(OH)2 + SO2 =>
Ca(HSO3)2 = Ca(OH)2 + 2 SO2
NaOH + S2 = Na2S2O3 + Na2S5 + H2O =>
6 NaOH + 6 S2 = Na2S2O3 + 2 Na2S5 + 3 H2O
CH3OH + HCl = C2H5Cl + H2O =>
2 CH3OH + HCl = C2H5Cl + 2 H2O
CaCO3 + H3NSO3 = Ca(SO3NH2)2 + CO2 + H2O =>
CaCO3 + 2 H3NSO3 = Ca(SO3NH2)2 + CO2 + H2O
CrI3 + KOH + CI = K2CrO4 + KIO4 + KCI + H2O =>
CrI3 + 32 KOH + 27 CI = K2CrO4 + 3 KIO4 + 27 KCI + 16 H2O
NaCl + C = CCl + Na =>
NaCl + C = CCl + Na
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Équations équilibrées sur10/23/24
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