| Équations équilibrées la veille |
Fe2 + 4 HCl = 2 FeCl2 + 4 H
Cr2O3 + NaHCO3 + H2O = Na3[Cr(OH)6] + CO2 =>
Cr2O3 + 6 NaHCO3 + 3 H2O = 2 Na3[Cr(OH)6] + 6 CO2
SbO(OH)3 + HCl = HSbCl6 + H2O =>
SbO(OH)3 + 6 HCl = HSbCl6 + 4 H2O
HSiCl3 = SiH4 + SiCl4 =>
4 HSiCl3 = SiH4 + 3 SiCl4
Cr + OH = Cr(OH)3 =>
Cr + 3 OH = Cr(OH)3
C4H8 + O = CO + H2O =>
C4H8 + 8 O = 4 CO + 4 H2O
C2H5Br + K + CH3Br = C3H8 + KBr =>
C2H5Br + 2 K + CH3Br = C3H8 + 2 KBr
Ba(OH)2 + CuO = Cu(OH)2 + BaO =>
Ba(OH)2 + CuO = Cu(OH)2 + BaO
CuCO3 + NH3 = Cu(NH3) + CO2 + O2 =>
2 CuCO3 + 2 NH3 = 2 Cu(NH3) + 2 CO2 + O2
FeCl3 + MgCl2*6H2O + NaOH = MgFe2O4 + H2O + NaCl =>
2 FeCl3 + MgCl2*6H2O + 8 NaOH = MgFe2O4 + 10 H2O + 8 NaCl
C9H8O4 = C7H6O3 + C2H4O2 =>
8 C9H8O4 = 10 C7H6O3 + C2H4O2
NO2(g) + H2O(l) = HNO3(aq) + NO(g) =>
3 NO2(g) + H2O(l) = 2 HNO3(aq) + NO(g)
H2SO4 + NaOH = Na2SO4 + H2O =>
H2SO4 + 2 NaOH = Na2SO4 + 2 H2O
Fe + N2 = Fe3N4 =>
3 Fe + 2 N2 = Fe3N4
ZnS + O2 = SO2 + ZnO =>
2 ZnS + 3 O2 = 2 SO2 + 2 ZnO
K + H2O + CO2 = K2CO3 + H2 =>
2 K + H2O + CO2 = K2CO3 + H2
C7H16(l) + O2(g) = CO2 + H2O =>
C7H16(l) + 11 O2(g) = 7 CO2 + 8 H2O
NH4Cl + Ca(OH)2 = CaCl2 + NH3 + H2O =>
2 NH4Cl + Ca(OH)2 = CaCl2 + 2 NH3 + 2 H2O
CO + NO2 = CO2 + N0 =>
2 CO + NO2 = 2 CO2 + N0
Fe + N2 = Fe3N4 =>
3 Fe + 2 N2 = Fe3N4
WO3 + Sr(MnO4)2 = SrWO4 + Mn2O7 =>
WO3 + Sr(MnO4)2 = SrWO4 + Mn2O7
C3H7CHO + KMnO4 + H2SO4 = C3H7COOH + MnSO4 + K2SO4 + H2O =>
5 C3H7CHO + 2 KMnO4 + 3 H2SO4 = 5 C3H7COOH + 2 MnSO4 + K2SO4 + 3 H2O
Co(NO3)2NH4ClC7H4ONH4OH + H2O2 = Co(NO3)2NH4ClC7H4ONH4OHH2O2 =>
Co(NO3)2NH4ClC7H4ONH4OH + H2O2 = Co(NO3)2NH4ClC7H4ONH4OHH2O2
CuOH = Cu2O + H2O =>
2 CuOH = Cu2O + H2O
I3{-} + S2O3 = I + S4O6{-2} =>
2 I3{-} + 2 S2O3 = 6 I + S4O6{-2}
Fe + N2 = Fe3N4 =>
3 Fe + 2 N2 = Fe3N4
C17H35OH + O2 = CO + H2O =>
C17H35OH + 17 O2 = 17 CO + 18 H2O
C2H4O2 + KOH = H2O + KC2H3O2 =>
C2H4O2 + KOH = H2O + KC2H3O2
H2SO4 + LiOH = H2O + LiHSO4 =>
H2SO4 + LiOH = H2O + LiHSO4
CuO + H2 = Cu + H2O =>
CuO + H2 = Cu + H2O
LiBr + (NH4)2SO4 = Li2SO4 + NH4Br =>
2 LiBr + (NH4)2SO4 = Li2SO4 + 2 NH4Br
H3PO4 + H2O = HPO4 + H4O =>
H3PO4 + H2O = HPO4 + H4O
LiOH(aq) + H3PO4(s) = LiPO4(aq) + OHH3(s) =>
LiOH(aq) + H3PO4(s) = LiPO4(aq) + OHH3(s)
NO2 + NaOH = NaNO2 + NaNO3 + HOH =>
2 NO2 + 2 NaOH = NaNO2 + NaNO3 + HOH
CaS + Ba(OH)2 = Ca(OH)2 + BaS =>
CaS + Ba(OH)2 = Ca(OH)2 + BaS
H3PO4 + CaCl2 = Ca3(PO4)2 + HCl =>
2 H3PO4 + 3 CaCl2 = Ca3(PO4)2 + 6 HCl
MnSO4 + ZnSO4 + KMnO4 + H2O = [Zn((OH)2)2MnO2] + KHSO4 + H2SO4 =>
MnSO4 + 5 ZnSO4 + 4 KMnO4 + 14 H2O = 5[Zn((OH)2)2MnO2] + 4 KHSO4 + 2 H2SO4
C2H4 + H2O = C2H6O =>
C2H4 + H2O = C2H6O
Fe + N2 = FeN2 =>
Fe + N2 = FeN2
KNO3 = KNO2 + O2 = KNO3 = KNO2 =>
2 KNO3 = 2 KNO2 + O2
Cr2O7{2-} + Fe{+2} + H{+} = Fe{3+} + Cr{3+} + H2O =>
Cr2O7{2-} + 6 Fe{+2} + 14 H{+} = 6 Fe{3+} + 2 Cr{3+} + 7 H2O
AlN + NH4OH = Al(OH)3 + NH3 =>
AlN + 3 NH4OH = Al(OH)3 + 4 NH3
Be3Al2(SiO3)6 = Be + Al + Si + O2 =>
Be3Al2(SiO3)6 = 3 Be + 2 Al + 6 Si + 9 O2
Fe + N2 = Fe3N4 =>
3 Fe + 2 N2 = Fe3N4
Ca(OH)2 + Mg = Mg2(OH)2 + Ca =>
Ca(OH)2 + 2 Mg = Mg2(OH)2 + Ca
N2 + F3 = NF =>
3 N2 + 2 F3 = 6 NF
VO(NO3)3 + C2H5NO2 = V2O5 + N2 + CO2 + H2O =>
6 VO(NO3)3 + 10 C2H5NO2 = 3 V2O5 + 14 N2 + 20 CO2 + 25 H2O
SO3{2-} + HPO3{-2} + H{+} = S + HPO4{-2} + H2O{-2} =>
2 SO3{2-} + 5 HPO3{-2} + 2 H{+} = 2 S + 5 HPO4{-2} + H2O{-2}
FeNO3 + SnCO3 = FeCO3 + SnNO3 =>
FeNO3 + SnCO3 = FeCO3 + SnNO3
Cs + H2O = CsH2O =>
Cs + H2O = CsH2O
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