| Équations équilibrées la veille | Équations équilibrées le lendemain |
KSO3 + HCl = KCl + HSO3
BaCl2 + H2SO4 = BaSO4 + HCl =>
BaCl2 + H2SO4 = BaSO4 + 2 HCl
NaOH + H2S = HOH + Na2S =>
2 NaOH + H2S = 2 HOH + Na2S
HMnO4 + AsH2 + H2SO4 = H3AsO4 + MnSO4 + H2O =>
7 HMnO4 + 5 AsH2 + 7 H2SO4 = 5 H3AsO4 + 7 MnSO4 + 8 H2O
CH3COOH + BaS = (CH3COO)2Ba + H2S =>
2 CH3COOH + BaS = (CH3COO)2Ba + H2S
N2 + H + Br = NH4Br =>
N2 + 8 H + 2 Br = 2 NH4Br
NaHSO3 + HCl + K2Cr2O7 = NaHSO4 + KCl + Cr2O3 + H2O2 =>
2 NaHSO3 + 2 HCl + K2Cr2O7 = 2 NaHSO4 + 2 KCl + Cr2O3 + H2O2
Na2[Be(OH)4] + HCl = NaCl + BeCl2 + H2O =>
Na2[Be(OH)4] + 4 HCl = 2 NaCl + BeCl2 + 4 H2O
Fe(OH)3 + Cl2 = FeCl3 + OH =>
2 Fe(OH)3 + 3 Cl2 = 2 FeCl3 + 6 OH
HNO3(aq) + BaO = Ba(NO3)2(aq) + H2O =>
2 HNO3(aq) + BaO = Ba(NO3)2(aq) + H2O
CuSO4 + KOH = K + SO4 + Cu(OH)2 =>
CuSO4 + 2 KOH = 2 K + SO4 + Cu(OH)2
Hg + KBr = HgBr2 + K =>
Hg + 2 KBr = HgBr2 + 2 K
NH3 + H2O2 = H2NOH + H2O =>
NH3 + H2O2 = H2NOH + H2O
KCl + Br2 = KBr + BrCl =>
KCl + Br2 = KBr + BrCl
TiO2 + F = TiF + O =>
TiO2 + F = TiF + 2 O
O2 + H{+} + Zn = H2O(l) + Zn{2+} =>
O2 + 4 H{+} + 2 Zn = 2 H2O(l) + 2 Zn{2+}
NaClO3 + Al = NaClO3Al2 =>
NaClO3 + 2 Al = NaClO3Al2
NO2(g) + H2(g) = NH3(g) + H2O(g) =>
2 NO2(g) + 7 H2(g) = 2 NH3(g) + 4 H2O(g)
As2S2 + HNO3 = H3AsO4 + H2SO4 + H2O + NO2 =>
As2S2 + 22 HNO3 = 2 H3AsO4 + 2 H2SO4 + 6 H2O + 22 NO2
Ga + K2Cr2O7 + H2SO4 = Ga2(SO4)3 + Cr2(SO4)3 + H2O + K2SO4 =>
2 Ga + K2Cr2O7 + 7 H2SO4 = Ga2(SO4)3 + Cr2(SO4)3 + 7 H2O + K2SO4
KMnO4 + FeSO4 + H4SO4 = MnSO4 + Fe2(SO4)3 + K2SO4 + H2O =>
2 KMnO4 + 2 FeSO4 + 4 H4SO4 = 2 MnSO4 + Fe2(SO4)3 + K2SO4 + 8 H2O
Ag2S + HNO3(dil) = AgNO3 + NO2 + S + H2O =>
Ag2S + 4 HNO3(dil) = 2 AgNO3 + 2 NO2 + S + 2 H2O
LiCl + CuCl2 = Li2CuCl4 =>
2 LiCl + CuCl2 = Li2CuCl4
As2(SO3)3 + HNO3 + H2O = H3AsO4 + H2SO4 + NO =>
3 As2(SO3)3 + 10 HNO3 + 13 H2O = 6 H3AsO4 + 9 H2SO4 + 10 NO
F + Sb2O5 = SbF5 + O2 =>
20 F + 2 Sb2O5 = 4 SbF5 + 5 O2
C5H12O + O2 = H2O + CO2 =>
2 C5H12O + 15 O2 = 12 H2O + 10 CO2
Pb + HNO3(concentrated) = Pb(NO3)2 + H2 =>
Pb + 2 HNO3(concentrated) = Pb(NO3)2 + H2
HCl + CaCO3 = CaCl2 + H2O + CO2 =>
2 HCl + CaCO3 = CaCl2 + H2O + CO2
AlN + H2 = Al + NH3 =>
2 AlN + 3 H2 = 2 Al + 2 NH3
CH3N2 + O2 = CO2 + H2O + N2 =>
4 CH3N2 + 7 O2 = 4 CO2 + 6 H2O + 4 N2
CaBr + Na(CO3)2 = Ca(CO3)2 + NaBr =>
CaBr + Na(CO3)2 = Ca(CO3)2 + NaBr
Ag(s) + HNO3(aq) = AgNO3(aq) + H2O + NO(g) =>
3 Ag(s) + 4 HNO3(aq) = 3 AgNO3(aq) + 2 H2O + NO(g)
NaHCO3 + C2H4O2 = CO2 + H2O + NaC2H3O3 =>
4 NaHCO3 + 3 C2H4O2 = 2 CO2 + 2 H2O + 4 NaC2H3O3
Xe194He149 + Ne98 = He89Ne109 + Xe190 =>
5001 Xe194He149 + 9312.2266681954Ne98 = 8372.4606741573He89Ne109 + 5106.2842105263Xe190
Al + Cu2Cl = AlCl2 + Cu =>
Al + 2 Cu2Cl = AlCl2 + 4 Cu
SO3{-2} + Fe{+3)+OH{-} = SO4{-2}+Fe{+2}+H2O =>
SO3{-2} + 2 Fe{+3)+2OH{-} = SO4{-2}+2Fe{+2}+H2O
Cu(NO3)2 + NaI = CuI(aq) + Na(NO3)2(aq) =>
Cu(NO3)2 + NaI = CuI(aq) + Na(NO3)2(aq)
Cr(NO3)3 + KOH + H2O2 = K2CrO4 + KNO3 + H2O =>
2 Cr(NO3)3 + 10 KOH + 3 H2O2 = 2 K2CrO4 + 6 KNO3 + 8 H2O
C6H5COOH + Na = C6H5COONa + H2 =>
2 C6H5COOH + 2 Na = 2 C6H5COONa + H2
KClO3 + NaOH = KOH + Na(ClO3) =>
KClO3 + NaOH = KOH + Na(ClO3)
NaBr + CaF2 = NaF + CaBr2 =>
2 NaBr + CaF2 = 2 NaF + CaBr2
KNO3 + KI + H2SO4 = N + I2 + K2SO4 + H2O =>
2 KNO3 + 10 KI + 6 H2SO4 = 2 N + 5 I2 + 6 K2SO4 + 6 H2O
Ni3(PO4)2 + H2SO4 = NiSO4 + H3PO4 =>
Ni3(PO4)2 + 3 H2SO4 = 3 NiSO4 + 2 H3PO4
Mg2 + CuCl2 = Cu3 + MgCl =>
3 Mg2 + 3 CuCl2 = Cu3 + 6 MgCl
UCl3 + H2O = U(OH)2Cl2 + H2 + HCl =>
2 UCl3 + 4 H2O = 2 U(OH)2Cl2 + H2 + 2 HCl
H3P + H2O = H2P + H3O =>
H3P + H2O = H2P + H3O
C8H18 + O2 = CO2 + H2O =>
2 C8H18 + 25 O2 = 16 CO2 + 18 H2O
Fe2S3 + O2 = SO4 + Fe2O3 =>
2 Fe2S3 + 15 O2 = 6 SO4 + 2 Fe2O3
Zn(NO3)2 + K2CrO4 = ZnCr + O4 + K(NO3) =>
Zn(NO3)2 + K2CrO4 = ZnCr + O4 + 2 K(NO3)
K2CrO4 + Ca(OH)2 = CaCrO4 + KOH =>
K2CrO4 + Ca(OH)2 = CaCrO4 + 2 KOH
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Équations équilibrées sur01/28/25
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