| Équations équilibrées la veille | Équations équilibrées le lendemain |
7 OCl + 2 Cr = 7 Cl + Cr2O7
C2C2H6O + O2(g) = CO2(g) + C2H6O =>
C2C2H6O + 2 O2(g) = 2 CO2(g) + C2H6O
Si3K8 + S2 = SiS2 + K2S =>
Si3K8 + 5 S2 = 3 SiS2 + 4 K2S
C6H5OHBr2 = C6H5OBrHBr =>
C6H5OHBr2 = C6H5OBrHBr
F + OH = FOH =>
F + OH = FOH
N2 + H2 = NH3 =>
N2 + 3 H2 = 2 NH3
CaCrO4 + ZnCl2 = CaCl2 + ZnCrO4 =>
CaCrO4 + ZnCl2 = CaCl2 + ZnCrO4
Te + HNO3 = Te(NO3)2 + NO2 + H2O =>
Te + 4 HNO3 = Te(NO3)2 + 2 NO2 + 2 H2O
V4O10 + HCl = VOCl3 + H2O =>
V4O10 + 12 HCl = 4 VOCl3 + 6 H2O
P(s) + O2 = P2O3 =>
4 P(s) + 3 O2 = 2 P2O3
C9H10 + O2 = CO2 + H2O1 =>
2 C9H10 + 23 O2 = 18 CO2 + 10 H2O1
FeC2O4*2H2O(s) + H2C2O4*2H2O(s) + H2O2(aq) + K2C2O4*H2O(aq) = K3[Fe(C2O4)3]3H2O(s) + H2O =>
6 FeC2O4*2H2O(s) + 9 H2C2O4*2H2O(s) + 9 H2O2(aq) + 3 K2C2O4*H2O(aq) = 2 K3[Fe(C2O4)3]3H2O(s) + 49 H2O
Fe(NO3)3 + NaOH = FeOH + Na + NO3 =>
Fe(NO3)3 + NaOH = FeOH + Na + 3 NO3
HBr + Mg(OH)2 = H3O2 + BrMg =>
HBr + Mg(OH)2 = H3O2 + BrMg
Hg + O2{2} = HgO2{2} =>
Hg + O2{2} = HgO2{2}
Cr2O7{2-} + Fe{2+} + H{2+} = Cr{3+} + Fe{3+} + H2O =>
Cr2O7{2-} + 20 Fe{2+} + 14 H{2+} = 2 Cr{3+} + 20 Fe{3+} + 7 H2O
C3H12 + N6Cl12 = C3Cl12 + H + N2 =>
C3H12 + N6Cl12 = C3Cl12 + 12 H + 3 N2
P2O3Al2O3 = AlPO3 =>
P2O3Al2O3 = 2 AlPO3
C4H9N3O2 + NaHCO3 = H2O + C4H2N3 + NaHC =>
2 C4H9N3O2 + NaHCO3 = 7 H2O + 2 C4H2N3 + NaHC
H2O + NaIO3 + SO2 = I2 + Na2SO + H2SO4 =>
7 H2O + 2 NaIO3 + 8 SO2 = I2 + Na2SO + 7 H2SO4
C5H9NO4 + C3H7NO2S + C2H5NO2 = C10H17N3O6S + H2O =>
C5H9NO4 + C3H7NO2S + C2H5NO2 = C10H17N3O6S + 2 H2O
Ni(NO3)2 + Na2(CO3) = Ni2(CO3)2 + Na(NO3) =>
2 Ni(NO3)2 + 2 Na2(CO3) = Ni2(CO3)2 + 4 Na(NO3)
AgNO3 + NaB2 = NaNO3 + AgB2 =>
AgNO3 + NaB2 = NaNO3 + AgB2
Fe(NO2)2 + NaOH = Fe(OH)2 + NaNO2 =>
Fe(NO2)2 + 2 NaOH = Fe(OH)2 + 2 NaNO2
KH2PO4 + KI = (KH2)I3 + K3(PO4) =>
KH2PO4 + 3 KI = (KH2)I3 + K3(PO4)
P2O5 + Mg = MgO + P =>
P2O5 + 5 Mg = 5 MgO + 2 P
NH3 + O3 = NO2 + H2O =>
6 NH3 + 7 O3 = 6 NO2 + 9 H2O
NaI + K2Cr2O7 = K2Cr4O14 + KI + Na =>
2 NaI + 2 K2Cr2O7 = K2Cr4O14 + 2 KI + 2 Na
H{+} + P4S6 + MnO4{-} = H4P2O7 + SO4{2-} + Mn{2+} + H2O =>
108 H{+} + 5 P4S6 + 56 MnO4{-} = 10 H4P2O7 + 30 SO4{2-} + 56 Mn{2+} + 34 H2O
Cu(NO3)2 + Ni = NiCu + NO3 =>
Cu(NO3)2 + Ni = NiCu + 2 NO3
Mg + N2 = MgN =>
2 Mg + N2 = 2 MgN
H7 + O19 = H2O =>
38 H7 + 7 O19 = 133 H2O
NaOH + Ba(HCO3)2 = BaCO3 + NaHCO3 + H2O =>
NaOH + Ba(HCO3)2 = BaCO3 + NaHCO3 + H2O
Cr2O72{-} + H2SO3 + H{+} = Cr{3+} + (SO4)2 + H2O =>
8 Cr2O72{-} + 274 H2SO3 + 56 H{+} = 16 Cr{3+} + 137(SO4)2 + 302 H2O
NiSO4 + NaOH4 = NaSO + Ni(OH)4 =>
NiSO4 + NaOH4 = NaSO + Ni(OH)4
Al(BrO3)3(s) = Al + Br3 + O9 =>
Al(BrO3)3(s) = Al + Br3 + O9
CH3CH2OH + K2Cr2O7 + H2SO4 = CH3COOH + K2SO4 + (Cr2)3SO4 + H2O =>
17 CH3CH2OH + 6 K2Cr2O7 + 8 H2SO4 = 17 CH3COOH + 6 K2SO4 + 2(Cr2)3SO4 + 25 H2O
P4 + C2 = PC3 =>
P4 + 6 C2 = 4 PC3
C2H7NO3S + O2 = CO2 + H2O + N2 + SO2 =>
4 C2H7NO3S + 13 O2 = 8 CO2 + 14 H2O + 2 N2 + 4 SO2
P4 + S2 = P7S5 =>
7 P4 + 10 S2 = 4 P7S5
FeCl + KO2 = FeO2 + KCl =>
FeCl + KO2 = FeO2 + KCl
CH3COONa + FeCl3 = (CH3COO)3Fe + NaCl =>
3 CH3COONa + FeCl3 = (CH3COO)3Fe + 3 NaCl
KMnO4 + C2H6O = C2H4O2 + MnO2 + KOH + H2O =>
4 KMnO4 + 3 C2H6O = 3 C2H4O2 + 4 MnO2 + 4 KOH + H2O
Li + FeNO3 = Fe + LiNO3 =>
Li + FeNO3 = Fe + LiNO3
C11H15NO5 + C6H8 = C17H21NO4 + H2O =>
C11H15NO5 + C6H8 = C17H21NO4 + H2O
Mn{2+} + MnO4 + H2O = MnO2 + H{+} =>
2 Mn{2+} + MnO4 + 2 H2O = 3 MnO2 + 4 H{+}
Co(OH)2 + NH4OH = [Co(NH3)4](OH)2 + H2O =>
Co(OH)2 + 4 NH4OH = [Co(NH3)4](OH)2 + 4 H2O
Co + CH3CSNH2 = CoS + CH3CNH2 =>
Co + CH3CSNH2 = CoS + CH3CNH2
AlH3S3 + O2 = Al2O3 + SO2 + H2O =>
2 AlH3S3 + 9 O2 = Al2O3 + 6 SO2 + 3 H2O
Sn(MnO4)4 + CsBr + H3PO3 = Mn3(PO4)2 + Br2 + Cs3PO4 + Sn3(PO4)4 + H2O =>
15 Sn(MnO4)4 + 108 CsBr + 96 H3PO3 = 20 Mn3(PO4)2 + 54 Br2 + 36 Cs3PO4 + 5 Sn3(PO4)4 + 144 H2O
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Équations équilibrées sur01/29/25
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