| Équations équilibrées la veille | Équations équilibrées le lendemain |
CH3CHO + CuO = CH3COOH + Cu
H3PO2 + HNO3 = H3PO4 + NO + H2O =>
3 H3PO2 + 4 HNO3 = 3 H3PO4 + 4 NO + 2 H2O
SiCl4(l) + H2O = SiO2 + HCl(aq) =>
SiCl4(l) + 2 H2O = SiO2 + 4 HCl(aq)
HCl + KF = HF + KCl =>
HCl + KF = HF + KCl
PCl3(l) + H2O = H3PO3(aq) + HCl =>
PCl3(l) + 3 H2O = H3PO3(aq) + 3 HCl
C7H8O + Na = C7H7ONa + H2 =>
2 C7H8O + 2 Na = 2 C7H7ONa + H2
Mg2 + N3 = Mg2N3 =>
Mg2 + N3 = Mg2N3
HF + Na2SO3 = NaF + H2SO3 =>
2 HF + Na2SO3 = 2 NaF + H2SO3
C2H4N4 + O2 = CO2 + H2O + N2 =>
C2H4N4 + 3 O2 = 2 CO2 + 2 H2O + 2 N2
Fe + Cl2 = FeCl3 =>
2 Fe + 3 Cl2 = 2 FeCl3
Al2(SO4)3 + NH4OH = AlOHSO4 + (NH4)2SO4 =>
Al2(SO4)3 + 2 NH4OH = 2 AlOHSO4 + (NH4)2SO4
Na2SiO3 + MgCl2 = MgSiO3 + NaCl =>
Na2SiO3 + MgCl2 = MgSiO3 + 2 NaCl
NaOH + Ag(C2H3O2) = Na(C2H3O2) + AgOH =>
NaOH + Ag(C2H3O2) = Na(C2H3O2) + AgOH
CdCl2 + HNO3 = Cd(NO3)2 + HCl =>
CdCl2 + 2 HNO3 = Cd(NO3)2 + 2 HCl
N{3-} + H{+} + H2O = NH4OH =>
N{3-} + 3 H{+} + H2O = NH4OH
C38H57O9N9 + O2 = CO2 + H2O + NH3 =>
C38H57O9N9 + 41 O2 = 38 CO2 + 15 H2O + 9 NH3
HNO3(aq) + Na2SO4(aq) = H2SO4 + NaNO3 =>
2 HNO3(aq) + Na2SO4(aq) = H2SO4 + 2 NaNO3
VOSO4 + H2SO4 + Zn = VSO4 + ZnSO4 + H2O =>
VOSO4 + H2SO4 + Zn = VSO4 + ZnSO4 + H2O
NO + O2 = NO2O2 = (NH2)2CO + H2 =>
2 NO + 3 O2 = 2 NO2O2
H2SO3 + Hg(OH)2 = Hg2(SO3)2 + H2O =>
2 H2SO3 + 2 Hg(OH)2 = Hg2(SO3)2 + 4 H2O
CH3CH2CH2CH2OH + CrO3 = CH3CH2CH2CHO + H2O + Cr =>
3 CH3CH2CH2CH2OH + CrO3 = 3 CH3CH2CH2CHO + 3 H2O + Cr
KClO30 = KCl + O2 =>
KClO30 = KCl + 15 O2
Cl2O6 + OH{-} = ClO3{-} + ClO4{-} + H2O =>
Cl2O6 + 2 OH{-} = ClO3{-} + ClO4{-} + H2O
C2N2 + O2 = CO2 + NO =>
C2N2 + 3 O2 = 2 CO2 + 2 NO
H3BO3 + NH4OH = (NH4)3BO3 + H2O =>
H3BO3 + 3 NH4OH = (NH4)3BO3 + 3 H2O
K2CO3(s) + HBr(aq) = KBr(s) + CO2(g) + H2O(l) =>
K2CO3(s) + 2 HBr(aq) = 2 KBr(s) + CO2(g) + H2O(l)
NaCl(aq)LiBr(aq) = NaBr(aq)LiCl(s) =>
NaCl(aq)LiBr(aq) = NaBr(aq)LiCl(s)
Mn(OH)2 + Br2 + NaOH = NaMnO4 + NaBr + H2 =>
2 Mn(OH)2 + Br2 + 4 NaOH = 2 NaMnO4 + 2 NaBr + 4 H2
LiOH(s) = Li + OH =>
LiOH(s) = Li + OH
H2(SO4) + Na(CN) = H(CN) + Na2(SO4) =>
H2(SO4) + 2 Na(CN) = 2 H(CN) + Na2(SO4)
CO2S3 + H2O2 = COSO4 + H2O + H2SO4 =>
CO2S3 + 9 H2O2 = COSO4 + 7 H2O + 2 H2SO4
Ra(OH)2 + HNO3 = Ra(NO3)2 + H2O =>
Ra(OH)2 + 2 HNO3 = Ra(NO3)2 + 2 H2O
SiCl3 + Mg = Si + MgCl2 =>
2 SiCl3 + 3 Mg = 2 Si + 3 MgCl2
FeO + CO(g) = Fe + CO2(g) =>
FeO + CO(g) = Fe + CO2(g)
C6H10 + H2SO4 + KMnO4 = HOOC(CH2)4COOH + K2SO4 + MnSO4 + H2O =>
5 C6H10 + 12 H2SO4 + 8 KMnO4 = 5 HOOC(CH2)4COOH + 4 K2SO4 + 8 MnSO4 + 12 H2O
Al4C3 + H2O(l) = Al(OH)3 + CH4 =>
Al4C3 + 12 H2O(l) = 4 Al(OH)3 + 3 CH4
CuSO4(aq) + PbNO3(aq) = PbSO4 + Cu(NO3) =>
CuSO4(aq) + PbNO3(aq) = PbSO4 + Cu(NO3)
H2 + N2 = NH3 =>
3 H2 + N2 = 2 NH3
Na + H2O = NaOH + H2 =>
2 Na + 2 H2O = 2 NaOH + H2
Co(NO3)2 + Ca(OH)2 = Co(OH)2 + Ca(NO3)2 =>
Co(NO3)2 + Ca(OH)2 = Co(OH)2 + Ca(NO3)2
NaNO2 + HClO = HNO2 + NaClO =>
NaNO2 + HClO = HNO2 + NaClO
Ba(MnO4)2 = Ba + MnO4 =>
Ba(MnO4)2 = Ba + 2 MnO4
Cl2 + H2S + NaOH = Na2SO4 + NaCl + H2O =>
4 Cl2 + H2S + 10 NaOH = Na2SO4 + 8 NaCl + 6 H2O
CH3COO{-} + H2O = H2 + HCO3{-} + H{+} =>
CH3COO{-} + 4 H2O = 4 H2 + 2 HCO3{-} + H{+}
MnO4 + Cl2 = MnO2 + ClO4 =>
4 MnO4 + Cl2 = 4 MnO2 + 2 ClO4
Be + I = BeI2 =>
Be + 2 I = BeI2
NH4NO3(s) = NH4NO2(s) + O2(g) =>
2 NH4NO3(s) = 2 NH4NO2(s) + O2(g)
Au + Na(CN) + H2O + O2 = NaAu(CN)2 + NaOH =>
4 Au + 8 Na(CN) + 2 H2O + O2 = 4 NaAu(CN)2 + 4 NaOH
C4H9S + O2 = CO2 + SO2 + H2O =>
4 C4H9S + 29 O2 = 16 CO2 + 4 SO2 + 18 H2O
CO(NH2)2 + O2 = CO2 + H2O + N2 =>
2 CO(NH2)2 + 3 O2 = 2 CO2 + 4 H2O + 2 N2
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Équations équilibrées sur10/26/24
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