| Équations équilibrées la veille | Équations équilibrées le lendemain |
Cl2O + H2O = 2 HClO
EDTA + Ca = EDTACa =>
EDTA + Ca = EDTACa
Li + H2O = LiOH + H2 =>
2 Li + 2 H2O = 2 LiOH + H2
Cr2O7{-2} + H2S + H3O{+} = Cr{3+} + S + H2O =>
Cr2O7{-2} + 3 H2S + 8 H3O{+} = 2 Cr{3+} + 3 S + 15 H2O
CH4(g) + NO(g) = CO2(g) + N2(g) + H2O(l) =>
CH4(g) + 4 NO(g) = CO2(g) + 2 N2(g) + 2 H2O(l)
P2O3(s) + O2(g) = P2O5(g) =>
P2O3(s) + O2(g) = P2O5(g)
K2Cr2O7 + NaNO2 + H2SO4 = NaNO3 + Cr2(SO4)3 + K2SO4 + H2O =>
K2Cr2O7 + 3 NaNO2 + 4 H2SO4 = 3 NaNO3 + Cr2(SO4)3 + K2SO4 + 4 H2O
IH = H2 + I =>
2 IH = H2 + 2 I
No2 + K = KNo2 =>
No2 + K = KNo2
C2H3ClO + H2O = C2H4O2 + HCl =>
C2H3ClO + H2O = C2H4O2 + HCl
H2 + O2 = H2O2 =>
H2 + O2 = H2O2
Ca3(PO4)2 + H2SO4 = CaSO4 + Ca(H2PO4)2 =>
Ca3(PO4)2 + 2 H2SO4 = 2 CaSO4 + Ca(H2PO4)2
AlBr3 + Cl2 = AlCl3 + Br2 =>
2 AlBr3 + 3 Cl2 = 2 AlCl3 + 3 Br2
Al + CuCl2 = AlCl3 + Cu =>
2 Al + 3 CuCl2 = 2 AlCl3 + 3 Cu
CrBr2(aq) + Na2CO3(aq) = CrCO3 + NaBr =>
CrBr2(aq) + Na2CO3(aq) = CrCO3 + 2 NaBr
Cr + H3PO4 = H2(g) + CrPO4 =>
2 Cr + 2 H3PO4 = 3 H2(g) + 2 CrPO4
Na + Al(NO3)3 = Al + NaNO3 =>
3 Na + Al(NO3)3 = Al + 3 NaNO3
LiOH + BaCl2 = LiCl + Ba(OH)2 =>
2 LiOH + BaCl2 = 2 LiCl + Ba(OH)2
ZnS + (O3)2 = ZnO + SO2 =>
2 ZnS + (O3)2 = 2 ZnO + 2 SO2
KOH + HBr = KBr + H2O =>
KOH + HBr = KBr + H2O
Y + Ni + Al = YNi2Al30 =>
Y + 2 Ni + 30 Al = YNi2Al30
Cu + S = Cu2S5 =>
2 Cu + 5 S = Cu2S5
Pb3(PO4)2 + OH{-} = PbO2{-2} + PO4{-3} + H2O =>
Pb3(PO4)2 + 12 OH{-} = 3 PbO2{-2} + 2 PO4{-3} + 6 H2O
KOH + HBr = KBr + H2O =>
KOH + HBr = KBr + H2O
Mn2O7 = MnO2 + O2 =>
2 Mn2O7 = 4 MnO2 + 3 O2
CO + S8 = CS2 + SO2 =>
16 CO + 5 S8 = 16 CS2 + 8 SO2
N2 + H2O = NH3 + NO =>
5 N2 + 6 H2O = 4 NH3 + 6 NO
KMnO4 + Na2S + HCl = KCl + MnCl2 + Na2SO4 + H2O =>
8 KMnO4 + 5 Na2S + 24 HCl = 8 KCl + 8 MnCl2 + 5 Na2SO4 + 12 H2O
CrO3 + Cr(OH)3 = CrO2 + H2O =>
CrO3 + 2 Cr(OH)3 = 3 CrO2 + 3 H2O
Fe3(PO4)2 + Al(OH)3 = AlPO4 + Fe(OH)2 =>
Fe3(PO4)2 + 2 Al(OH)3 = 2 AlPO4 + 3 Fe(OH)2
Na + MgCl2(aq) = NaCl(aq) + Mg(s) =>
2 Na + MgCl2(aq) = 2 NaCl(aq) + Mg(s)
Zn(OH)2 + H2SO4 = Zn(SO4)2 + H2OH =>
Zn(OH)2 + 2 H2SO4 = Zn(SO4)2 + 2 H2OH
NH4(OH) + H2SO4 = (NH4)2SO4 + H2O =>
2 NH4(OH) + H2SO4 = (NH4)2SO4 + 2 H2O
H2 + Fe2O3 = Fe + H2O =>
3 H2 + Fe2O3 = 2 Fe + 3 H2O
BrO + ClO = BrCl + O2 =>
BrO + ClO = BrCl + O2
AlF3 + Li2SO4 = Al2(SO4)3 + LiF =>
2 AlF3 + 3 Li2SO4 = Al2(SO4)3 + 6 LiF
HNO3 + HI = NO + I2 + H2O =>
2 HNO3 + 6 HI = 2 NO + 3 I2 + 4 H2O
KMnO4 + FeI3 + H2SO4 = MnSO4 + K2SO4 + Fe2(SO4)3 + I2 + H2O =>
6 KMnO4 + 10 FeI3 + 24 H2SO4 = 6 MnSO4 + 3 K2SO4 + 5 Fe2(SO4)3 + 15 I2 + 24 H2O
Fe + Cl2 = FeCl3 =>
2 Fe + 3 Cl2 = 2 FeCl3
SO3{2-} = S2O6{2-} + e =>
2 SO3{2-} = S2O6{2-} + 2e
B2H6 + H2O = H3BO3 + H2 =>
B2H6 + 6 H2O = 2 H3BO3 + 6 H2
NH4NO2 + Ba(OH)2 = NH4OH + Ba(NO2)2 =>
2 NH4NO2 + Ba(OH)2 = 2 NH4OH + Ba(NO2)2
C5H6O + O2 = CO2 + H2O =>
C5H6O + 6 O2 = 5 CO2 + 3 H2O
MnSO4 + H2S = MnS + H2O + S =>
MnSO4 + 4 H2S = MnS + 4 H2O + 4 S
AlBr3 + K2SO4 = KBr + Al2(SO4)3 =>
2 AlBr3 + 3 K2SO4 = 6 KBr + Al2(SO4)3
KMnO4 + Na2SO3 + H2SO4 = K2SO4 + MnSO4 + Na2SO4 + H2O =>
2 KMnO4 + 5 Na2SO3 + 3 H2SO4 = K2SO4 + 2 MnSO4 + 5 Na2SO4 + 3 H2O
Na3[Al(C2O4)3]*5H2O + MgSO4*7H2O = NaMg[Al(C2O4)3]*8H2O + Na2SO4 + H2O =>
Na3[Al(C2O4)3]*5H2O + MgSO4*7H2O = NaMg[Al(C2O4)3]*8H2O + Na2SO4 + 4 H2O
H3PO4(aq) + NaOH(aq) = NaPO3(s) + H2O =>
H3PO4(aq) + NaOH(aq) = NaPO3(s) + 2 H2O
HCl + NaOH = NaCl + H2O =>
HCl + NaOH = NaCl + H2O
FeSO4 + KCIO + H2SO4 = Fe2(SO4)3 + KCI + H2O =>
2 FeSO4 + KCIO + H2SO4 = Fe2(SO4)3 + KCI + H2O
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