| Équations équilibrées la veille | Équations équilibrées le lendemain |
C2H4(g) + 3 O2 = 2 CO2(g) + 2 H2O(l)
Mg + O2 + H2O = MgOH =>
4 Mg + O2 + 2 H2O = 4 MgOH
Cr(OH)3 + Ca(OH)2 = Ca(CrO2)2 + H2O =>
2 Cr(OH)3 + Ca(OH)2 = Ca(CrO2)2 + 4 H2O
[Co(NH3)6]Cl2 + H2S = CoS + NH4Cl + NH4HS =>
[Co(NH3)6]Cl2 + 5 H2S = CoS + 2 NH4Cl + 4 NH4HS
CuCl2(aq) + Na2CO3(aq) = CuCO3 + Na2Cl2 =>
CuCl2(aq) + Na2CO3(aq) = CuCO3 + Na2Cl2
NaNO3 + KMnO4 = KNO3 + NaMnO4 =>
NaNO3 + KMnO4 = KNO3 + NaMnO4
HNO3 + Ag(NH3) = AgNO3 + NH4 =>
HNO3 + Ag(NH3) = AgNO3 + NH4
Li2C2 + H2O = LiOH + C2H2 =>
Li2C2 + 2 H2O = 2 LiOH + C2H2
HCl + KNO3 + Cu = NO2 + CuCl + KCl + H2O =>
2 HCl + KNO3 + Cu = NO2 + CuCl + KCl + H2O
HBr + K2S2O3 = H2O + SO3 + KBr + S =>
6 HBr + 3 K2S2O3 = 3 H2O + 2 SO3 + 6 KBr + 4 S
C4H10 + K2Cr2O7 + H2SO4 = CO2 + K2SO4 + Cr2(SO4)3 + H2O =>
3 C4H10 + 13 K2Cr2O7 + 52 H2SO4 = 12 CO2 + 13 K2SO4 + 13 Cr2(SO4)3 + 67 H2O
Hg + C + O2 = HgCO3 =>
2 Hg + 2 C + 3 O2 = 2 HgCO3
Fe2S3 + AgNO3 = Ag2S + Fe(NO3)3 =>
Fe2S3 + 6 AgNO3 = 3 Ag2S + 2 Fe(NO3)3
NH4OH + FeCl3 = Fe(HO)3 + NH4Cl =>
3 NH4OH + FeCl3 = Fe(HO)3 + 3 NH4Cl
He5 = He =>
He5 = 5 He
SO2Cl2 + Ag2S = S2O + AgCl + O2 =>
2 SO2Cl2 + 2 Ag2S = 2 S2O + 4 AgCl + O2
H2O2 + Cr(OH)3 = H2O + H2CrO4 =>
3 H2O2 + 2 Cr(OH)3 = 4 H2O + 2 H2CrO4
CH3CHCH2OH = CH3CHCH3 + O2 =>
2 CH3CHCH2OH = 2 CH3CHCH3 + O2
KAlSi3O8 + Na2CO3 = Na2SiO3 + KAlO2 + CO2 =>
KAlSi3O8 + 3 Na2CO3 = 3 Na2SiO3 + KAlO2 + 3 CO2
FeOCr2 + K2CO3 + O2 = K2CrO4 + CO2 + Fe2O3 =>
4 FeOCr2 + 8 K2CO3 + 13 O2 = 8 K2CrO4 + 8 CO2 + 2 Fe2O3
Pb(NO3)2(Aq) + KI(Aq) = PbI2(Aq) + KNO3(Aq) =>
Pb(NO3)2(Aq) + 2 KI(Aq) = PbI2(Aq) + 2 KNO3(Aq)
SrO(s) + H2O(l) = SrO2 + H(aq) =>
SrO(s) + H2O(l) = SrO2 + 2 H(aq)
NpF3 + O2 + HF = NpF4 + H2O =>
4 NpF3 + O2 + 4 HF = 4 NpF4 + 2 H2O
C2H4O2 + NaHCO3 = NaC2H2O2 + H2O + CO2 =>
7 C2H4O2 + 8 NaHCO3 = 8 NaC2H2O2 + 10 H2O + 6 CO2
NpF3 + O2 + HF = NpF4 + H2O =>
4 NpF3 + O2 + 4 HF = 4 NpF4 + 2 H2O
Fe + Na2S2O3 = Fe(S2O3)3 + Na =>
Fe + 3 Na2S2O3 = Fe(S2O3)3 + 6 Na
Cu(s)S(s) = CuS(s) =>
Cu(s)S(s) = CuS(s)
AgNO3 + NaBH4 = Ag + NaNO3 + H2 + BH3 =>
2 AgNO3 + 2 NaBH4 = 2 Ag + 2 NaNO3 + H2 + 2 BH3
Li2C2 = C + Li =>
Li2C2 = 2 C + 2 Li
K2HPO4 + NaNO3 = KNO3 + Na2HPO4 =>
K2HPO4 + 2 NaNO3 = 2 KNO3 + Na2HPO4
Fe(II) + HCl = Fe(II)Cl2 + H =>
Fe(II) + 2 HCl = Fe(II)Cl2 + 2 H
Fe(s) + H2SO4(g) = FeSO4(s) + H2(g) =>
Fe(s) + H2SO4(g) = FeSO4(s) + H2(g)
Na + HCl = H2 + NaCl =>
2 Na + 2 HCl = H2 + 2 NaCl
Co(No3)2(aq) + NaOH(aq) = Co(OH)2(s) + NaNo3(aq) =>
Co(No3)2(aq) + 2 NaOH(aq) = Co(OH)2(s) + 2 NaNo3(aq)
CH3OH + K2Cr2O7 + H2SO4 = H2CO + Cr2(SO4)3 + K2SO4 + H2O =>
3 CH3OH + K2Cr2O7 + 4 H2SO4 = 3 H2CO + Cr2(SO4)3 + K2SO4 + 7 H2O
C7H6O2 + O2 = CO2 + H2O =>
2 C7H6O2 + 15 O2 = 14 CO2 + 6 H2O
Be + HNO3 = Be(NO3)2 + NO2 + H2O =>
Be + 4 HNO3 = Be(NO3)2 + 2 NO2 + 2 H2O
CH3(CH2)6CH3(g) + O2(g) = CO2(g) + H20(g) =>
10 CH3(CH2)6CH3(g) + 80 O2(g) = 80 CO2(g) + 9 H20(g)
CaCl2(aq) + C17H33COONa(aq) = (C17H33COO)2Ca(s) + NaCl(aq) =>
CaCl2(aq) + 2 C17H33COONa(aq) = (C17H33COO)2Ca(s) + 2 NaCl(aq)
Hg + KI = KIHg =>
Hg + KI = KIHg
BaCl2(ac) + ZnSO4(ac) = Ba(SO4) + ZnCl2 =>
BaCl2(ac) + ZnSO4(ac) = Ba(SO4) + ZnCl2
Na + HCl = NaCl + H =>
Na + HCl = NaCl + H
Cu2S + O2 + CaCO3 = CO2 + CuO + CaSO4 =>
2 Cu2S + 5 O2 + 2 CaCO3 = 2 CO2 + 4 CuO + 2 CaSO4
MnO4{-} + OH{-} = MnO4{2-} + O2 + H2O =>
4 MnO4{-} + 4 OH{-} = 4 MnO4{2-} + O2 + 2 H2O
LiF + KCl = LiCl + KF =>
LiF + KCl = LiCl + KF
HCl + NO3 = HNO3 + Cl2 =>
2 HCl + 2 NO3 = 2 HNO3 + Cl2
CH4 + S = CS2 + H2S =>
CH4 + 4 S = CS2 + 2 H2S
MnO4 + Mn(NO3)2 + H2O = MnO2 + HNO3 =>
MnO4 + 2 Mn(NO3)2 + 2 H2O = 3 MnO2 + 4 HNO3
Au(s) + HNO3(conc) + HCl(conc) = AuCl3(s) + H2O(l) + NO(g) =>
Au(s) + HNO3(conc) + 3 HCl(conc) = AuCl3(s) + 2 H2O(l) + NO(g)
MnO(OH)2 + PbO2 + HNO3 = HMnO4 + Pb(NO3)2 + H2O =>
2 MnO(OH)2 + 3 PbO2 + 6 HNO3 = 2 HMnO4 + 3 Pb(NO3)2 + 4 H2O
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Équations équilibrées sur12/10/24
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