| Équations équilibrées la veille | Équations équilibrées le lendemain |
CH3CH2CH2OH + K2Cr2O7 = CH3CH2CHO + H2K2Cr2O7
FeCl3 + Mg(HCO3)2 = MgCl2 + Fe(HCO3)3 =>
2 FeCl3 + 3 Mg(HCO3)2 = 3 MgCl2 + 2 Fe(HCO3)3
NiSO4*6H2O + K2SO4 = NiK2(SO4)2*6H2O =>
NiSO4*6H2O + K2SO4 = NiK2(SO4)2*6H2O
C2H6(g) + O2 = CO2(g) + H2O =>
2 C2H6(g) + 7 O2 = 4 CO2(g) + 6 H2O
U3O8(s) + HNO3(ac) = UO2(NO3)2(ac) + NO(g) + H2O(l) =>
3 U3O8(s) + 20 HNO3(ac) = 9 UO2(NO3)2(ac) + 2 NO(g) + 10 H2O(l)
Fe2O3 + CNOH = Fe(CNO)3 + H2O =>
Fe2O3 + 6 CNOH = 2 Fe(CNO)3 + 3 H2O
CaCl2 + KNO3 = Ca(NO3)2 + KCl =>
CaCl2 + 2 KNO3 = Ca(NO3)2 + 2 KCl
C20H42 + O2 = CO + H2O =>
2 C20H42 + 41 O2 = 40 CO + 42 H2O
Al2O3 + C = CO + Al4C3 =>
2 Al2O3 + 9 C = 6 CO + Al4C3
Cr + MnO2 = Mn + Cr2O7 =>
4 Cr + 7 MnO2 = 7 Mn + 2 Cr2O7
Cu2S + NO3{-} + H{+} = Cu{2+} + SO4{2-} + NO + H2O =>
3 Cu2S + 10 NO3{-} + 16 H{+} = 6 Cu{2+} + 3 SO4{2-} + 10 NO + 8 H2O
FeS2 + K2Cr2O7 + Na2CO3 = NaFeO2 + KCr + Na2SO4 + CO2 =>
14 FeS2 + 15 K2Cr2O7 + 35 Na2CO3 = 14 NaFeO2 + 30 KCr + 28 Na2SO4 + 35 CO2
OCI + S2O3 = S2O4CI =>
OCI + S2O3 = S2O4CI
Ta2O5 + Y2O3 + BaCO3 = YBa2TaO6 + CO2 =>
Ta2O5 + Y2O3 + 4 BaCO3 = 2 YBa2TaO6 + 4 CO2
Cs2O + HCl = CsCl + H2O =>
Cs2O + 2 HCl = 2 CsCl + H2O
KMnO4(aq) + H2SO4(aq) = MnSO4(aq) + K2SO4(aq) + H2O(i) + O3(v) =>
6 KMnO4(aq) + 9 H2SO4(aq) = 6 MnSO4(aq) + 3 K2SO4(aq) + 9 H2O(i) + 5 O3(v)
H4SO2 + Al(OH)3 = Al4(SO2)3 + H2O =>
3 H4SO2 + 4 Al(OH)3 = Al4(SO2)3 + 12 H2O
Cl + KBr2 = KCl + Br2 =>
Cl + KBr2 = KCl + Br2
Hf + H2SO4 = H2[Hf(SO4)3] + SO2 + H2O =>
Hf + 5 H2SO4 = H2[Hf(SO4)3] + 2 SO2 + 4 H2O
PB(NO3)2 + AlCl3 = PBCl2 + Al(NO3)3 =>
3 PB(NO3)2 + 2 AlCl3 = 3 PBCl2 + 2 Al(NO3)3
(CH)2 + O2 = CO2 + H2O =>
2(CH)2 + 5 O2 = 4 CO2 + 2 H2O
BaNO3 + NaSO4 = BaSO4 + NaNO3 =>
BaNO3 + NaSO4 = BaSO4 + NaNO3
FeCO3 + HI = FeI2 + H2O + CO2 =>
FeCO3 + 2 HI = FeI2 + H2O + CO2
AlF3 + Mg(NO3)4 = Al(NO3)3 + MgF4 =>
4 AlF3 + 3 Mg(NO3)4 = 4 Al(NO3)3 + 3 MgF4
Zn + HBr = H2 + ZnBr =>
2 Zn + 2 HBr = H2 + 2 ZnBr
FeSO4 + H2SO3 + KMnO4 = K2SO4 + MnSO4 + Fe2(SO4)3 + H2O =>
2 FeSO4 + 4 H2SO3 + 2 KMnO4 = K2SO4 + 2 MnSO4 + Fe2(SO4)3 + 4 H2O
X4Z10 + Y2Z = Y3XZ4 =>
X4Z10 + 6 Y2Z = 4 Y3XZ4
Na2Co3 + H2SO4 = Na2SO4 + H2Co3 =>
Na2Co3 + H2SO4 = Na2SO4 + H2Co3
C6H5CH2CH(CH3)NH2 + H2O = OH + C6H5CH2CH(CH3)NH3 =>
C6H5CH2CH(CH3)NH2 + H2O = OH + C6H5CH2CH(CH3)NH3
PbO + C = Pb + CO2 =>
2 PbO + C = 2 Pb + CO2
I{-} + MnO4{-} + H{+} = I2 + MnO2 + H2O =>
6 I{-} + 2 MnO4{-} + 8 H{+} = 3 I2 + 2 MnO2 + 4 H2O
CH3COOH + CaCO3 = (CH3COO)2Ca + CO + H2O =>
5 CH3COOH + 2 CaCO3 = 2(CH3COO)2Ca + 4 CO + 4 H2O
H3O + ZnO2 = Zn + H2O =>
4 H3O + ZnO2 = Zn + 6 H2O
C3H6O2 + O2(g) = CO2(g) + H2O(g) =>
2 C3H6O2 + 7 O2(g) = 6 CO2(g) + 6 H2O(g)
TI2SO4 = TI2 + SO4 =>
TI2SO4 = TI2 + SO4
CuBr + Sr = SrBr + Cu =>
CuBr + Sr = SrBr + Cu
(NH4)2Fe(SO4)2 + KMnO4 + H2SO4 = (NH4)Fe(SO4)2 + K2SO4 + MnSO4 + (NH4)2SO4 + H2O =>
10(NH4)2Fe(SO4)2 + 2 KMnO4 + 8 H2SO4 = 10(NH4)Fe(SO4)2 + K2SO4 + 2 MnSO4 + 5(NH4)2SO4 + 8 H2O
C12H26O + O2 = H2O + CO2 =>
C12H26O + 18 O2 = 13 H2O + 12 CO2
CaCl2 + HgNO3 = Ca(NO3)2 + HgCl =>
CaCl2 + 2 HgNO3 = Ca(NO3)2 + 2 HgCl
H2O + NO = H2NO2 =>
H2O + NO = H2NO2
H2 + O3 = H1O1 =>
3 H2 + 2 O3 = 6 H1O1
Li2CO3 + Cr2O3 + ZnO = LiZn2CrO4 + CO2 =>
Li2CO3 + Cr2O3 + 4 ZnO = 2 LiZn2CrO4 + CO2
Cu + HNO3 = Cu(NO3)2 + NO2 + H2O =>
Cu + 4 HNO3 = Cu(NO3)2 + 2 NO2 + 2 H2O
Ni(s) + PbCl2(ag) = NiCl + Pb =>
2 Ni(s) + PbCl2(ag) = 2 NiCl + Pb
NiCl2 + NH4OH = Ni(OH)2 + NH4Cl =>
NiCl2 + 2 NH4OH = Ni(OH)2 + 2 NH4Cl
C6H4COOHCOOH + NaOH = C6H3NaCOOHCOOH + H2O =>
C6H4COOHCOOH + NaOH = C6H3NaCOOHCOOH + H2O
Au + KCN + O2 + (H2O) = KAu(CN)2 + KOH =>
4 Au + 8 KCN + O2 + 2(H2O) = 4 KAu(CN)2 + 4 KOH
PF3(g) + F2(g) = PF5(g) =>
PF3(g) + F2(g) = PF5(g)
Sn + O2 + H2O = Sn(OH)4 =>
Sn + O2 + 2 H2O = Sn(OH)4
Pb + HNO3 = PbO2 + H2O + NO2 =>
Pb + 4 HNO3 = PbO2 + 2 H2O + 4 NO2
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Équations équilibrées sur02/07/25
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