| Équations équilibrées la veille |
Hg + 2 Br = HgBr2
CH3COOH(aq) = CH3COO(aq) + H2(g) =>
2 CH3COOH(aq) = 2 CH3COO(aq) + H2(g)
Fe + CrO4{2-} + H2O = Fe(OH)3 + [Cr(OH)4]{-} + OH{-} =>
Fe + CrO4{2-} + 4 H2O = Fe(OH)3 + [Cr(OH)4]{-} + OH{-}
CH3CH2CH2CH2CH2CH2CH2CH2CH2COONa + HCl = CH3CH2CH2CH2CH2CH2CH2CH2CH2COOH + NaCl =>
CH3CH2CH2CH2CH2CH2CH2CH2CH2COONa + HCl = CH3CH2CH2CH2CH2CH2CH2CH2CH2COOH + NaCl
Na2O2 = Na2O + O2 =>
2 Na2O2 = 2 Na2O + O2
Ca3Al2(OH)12 = CaO + Al2O3 + H2O =>
Ca3Al2(OH)12 = 3 CaO + Al2O3 + 6 H2O
Co + N2 = Co3N =>
6 Co + N2 = 2 Co3N
HNO3 + CO(NH2)2 = CO2 + NO + H2O =>
10 HNO3 + 3 CO(NH2)2 = 3 CO2 + 16 NO + 11 H2O
Na2[Sn(OH)6] + HCl = NaCl + SnCl4 + H2O =>
Na2[Sn(OH)6] + 6 HCl = 2 NaCl + SnCl4 + 6 H2O
HCl + Cu(C2H3O2)2 = H(C2H3O2) + CuCl2 =>
2 HCl + Cu(C2H3O2)2 = 2 H(C2H3O2) + CuCl2
HCOOH + Fe(OH)2 = Fe(HCOO)2 + H2O =>
2 HCOOH + Fe(OH)2 = Fe(HCOO)2 + 2 H2O
P4 + N2 = P3N5 =>
3 P4 + 10 N2 = 4 P3N5
HClO4(aq) + P4O10(s) = H3PO4(aq) + Cl2O7 =>
12 HClO4(aq) + P4O10(s) = 4 H3PO4(aq) + 6 Cl2O7
Hg3S2Cl2 + H2S = HgS + H{+} + Cl{-} =>
Hg3S2Cl2 + H2S = 3 HgS + 2 H{+} + 2 Cl{-}
NaTeO3 + NaI + HCl = NaCl + Te + I + H2O =>
NaTeO3 + 5 NaI + 6 HCl = 6 NaCl + Te + 5 I + 3 H2O
P + O2 + Cl2 = POCl3 =>
2 P + O2 + 3 Cl2 = 2 POCl3
MnO4 + C2H2O4 = Mn + CO2 + H2O =>
MnO4 + 4 C2H2O4 = Mn + 8 CO2 + 4 H2O
Ca(OH)2 + Ca(HSO4)2 = (CaOH)2SO4 + H2O =>
3 Ca(OH)2 + Ca(HSO4)2 = 2(CaOH)2SO4 + 2 H2O
C2H5NO2 + N2O + OH{-} = CO3{-}2 + H2O + N2 =>
2 C2H5NO2 + 11 N2O + 4 OH{-} = 4 CO3{-}2 + 7 H2O + 12 N2
HgNO3 + NaI = HgI + NaNO3 =>
HgNO3 + NaI = HgI + NaNO3
C4H10O4 + NH4ClO4 = CO2 + H2O + N2 + Cl2 =>
4 C4H10O4 + 18 NH4ClO4 = 16 CO2 + 56 H2O + 9 N2 + 9 Cl2
CH3CH2CHO + KMnO4 + KOH = CH3CH2COOK + K2MnO4 + H2O =>
CH3CH2CHO + 2 KMnO4 + 3 KOH = CH3CH2COOK + 2 K2MnO4 + 2 H2O
C2H4O3 + NaOH = NaCO + H2O =>
C2H4O3 + 2 NaOH = 2 NaCO + 3 H2O
N(OH)2 + H2SO4 = H2O + NSO4 =>
N(OH)2 + H2SO4 = 2 H2O + NSO4
Pb(CH3COO)2 + K2SO4 = PbSO4 + K2(CH3COO)2 =>
Pb(CH3COO)2 + K2SO4 = PbSO4 + K2(CH3COO)2
Co2S3 = Co + S8 =>
8 Co2S3 = 16 Co + 3 S8
La + Cl = LaCl =>
La + Cl = LaCl
Na(s) + FeCl2(aq) = NaCl(s) + Fe =>
2 Na(s) + FeCl2(aq) = 2 NaCl(s) + Fe
Cd + C2H5NS = CdS + C + H + N =>
Cd + C2H5NS = CdS + 2 C + 5 H + N
SrSO3 + HNO3 = Sr(NO3)2 + H2SO3 =>
SrSO3 + 2 HNO3 = Sr(NO3)2 + H2SO3
K + PbO2 = Pb + KO2 =>
K + PbO2 = Pb + KO2
Ga(BrO)3 + Rb = RbBrO + Ga =>
Ga(BrO)3 + 3 Rb = 3 RbBrO + Ga
C2H7NO + O2 = CO2 + H2O + NH3 =>
2 C2H7NO + 5 O2 = 4 CO2 + 4 H2O + 2 NH3
Ca(s) + Fe(NO3)3(aq) = Ca(NO3)(aq) + Fe(s) =>
3 Ca(s) + Fe(NO3)3(aq) = 3 Ca(NO3)(aq) + Fe(s)
C3H8(g) + H2O(l) = CO(g) + H2(g) =>
C3H8(g) + 3 H2O(l) = 3 CO(g) + 7 H2(g)
Li2CO3(aq) + ZnSO4(aq) = Li2SO4(aq) + ZnCO3(aq) =>
Li2CO3(aq) + ZnSO4(aq) = Li2SO4(aq) + ZnCO3(aq)
MnO4{-} + HSO3{-} = MnO2SO4{2-} + H2O + HSO4{-} =>
2 MnO4{-} + 3 HSO3{-} = 2 MnO2SO4{2-} + H2O + HSO4{-}
FeCl3 + K4[Fe(CN)6] = KCl + KFe[Fe(CN)6](s) =>
FeCl3 + K4[Fe(CN)6] = 3 KCl + KFe[Fe(CN)6](s)
R(OH)2 + HCl = RCl2 + H2O =>
R(OH)2 + 2 HCl = RCl2 + 2 H2O
Li + Ba(OH)2 = Li(OH)2 + Ba =>
Li + Ba(OH)2 = Li(OH)2 + Ba
Ba(NO3)2 + Na2Cr2O7 = Na2(NO3)2 + BaCr2O7 =>
Ba(NO3)2 + Na2Cr2O7 = Na2(NO3)2 + BaCr2O7
Na2MnO4 + KNO2 + H2SO4 = MnSO4 + KNO3 + Na2SO4 + H2O =>
Na2MnO4 + 2 KNO2 + 2 H2SO4 = MnSO4 + 2 KNO3 + Na2SO4 + 2 H2O
IO3 + H2O = I2 + OH =>
2 IO3 + 6 H2O = I2 + 12 OH
C7H7NO2 + NH4NO3 = CO2 + H2O + N2 =>
2 C7H7NO2 + 31 NH4NO3 = 14 CO2 + 69 H2O + 32 N2
CO(NH2)2(aq) + H2O(l) = CO2(g) + NH3(aq) =>
CO(NH2)2(aq) + H2O(l) = CO2(g) + 2 NH3(aq)
Zn + FeS2 + H2SO4 = ZnSO4 + FeSO4 + H2S =>
Zn + FeS2 + 2 H2SO4 = ZnSO4 + FeSO4 + 2 H2S
(CH3CH3) + O2 = CO2 + H2O =>
2(CH3CH3) + 7 O2 = 4 CO2 + 6 H2O
CrO4{2-} + HSO3{-} + H{+} = Cr{3+} + SO4{2-} + H2O =>
2 CrO4{2-} + 3 HSO3{-} + 7 H{+} = 2 Cr{3+} + 3 SO4{2-} + 5 H2O
KNO3 + BaCl2 = KCl + Ba(NO3)2 =>
2 KNO3 + BaCl2 = 2 KCl + Ba(NO3)2
AgNO3(aq) + Fe2(SO4)3(aq) = Ag2SO4(s) + Fe(NO3)3(aq) =>
6 AgNO3(aq) + Fe2(SO4)3(aq) = 3 Ag2SO4(s) + 2 Fe(NO3)3(aq)
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Équations équilibrées sur10/23/24
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