| Équations équilibrées la veille | Équations équilibrées le lendemain |
La(OH)3 + 3 HCl = LaCl3 + 3 H2O
Al4C3 + H2O = Al(OH)3 + CH4 =>
Al4C3 + 12 H2O = 4 Al(OH)3 + 3 CH4
Cr2(SO4)3 + Na2S + H2O = Cr(OH)3 + Na2SO4 + S2 =>
4 Cr2(SO4)3 + 9 Na2S + 12 H2O = 8 Cr(OH)3 + 9 Na2SO4 + 6 S2
F2 + CaBr2 = CaF + Br =>
F2 + 2 CaBr2 = 2 CaF + 4 Br
HI + K2Cr2O7 = CrI3 + I2 + KI + H2O =>
14 HI + K2Cr2O7 = 2 CrI3 + 3 I2 + 2 KI + 7 H2O
CH3CH2CH2OH + K2Cr2O7 + H2SO4 = CH3CH2CHO + Cr2(SO4) + K2SO4 + H2O =>
5 CH3CH2CH2OH + K2Cr2O7 + 2 H2SO4 = 5 CH3CH2CHO + Cr2(SO4) + K2SO4 + 7 H2O
C7 + H2 + O2 = C7H6O2 =>
C7 + 3 H2 + O2 = C7H6O2
Al + S80 = Al3S =>
240 Al + S80 = 80 Al3S
CoSO4 + Hg2(NO3)2 = Hg2SO4 + Co(NO3)2 =>
CoSO4 + Hg2(NO3)2 = Hg2SO4 + Co(NO3)2
HF + SiO2 = H2F6Si + H2O =>
6 HF + SiO2 = H2F6Si + 2 H2O
NH4N3 + Ca(OH)2 = CaN6 + H2O + NH3 =>
2 NH4N3 + Ca(OH)2 = CaN6 + 2 H2O + 2 NH3
AgCl + NaCl = AgNa + Cl =>
AgCl + NaCl = AgNa + 2 Cl
KMnO4 = K2MnO4 + MnO2 + O2 =>
2 KMnO4 = K2MnO4 + MnO2 + O2
CH4 + H2SO4 = CH3SO3H + H2O =>
CH4 + H2SO4 = CH3SO3H + H2O
Cr2O3 + KOH + H2O = K(Cr(OH)4) =>
Cr2O3 + 2 KOH + 3 H2O = 2 K(Cr(OH)4)
Si3N4 + H2O = NH3 + H2SiO3 =>
Si3N4 + 9 H2O = 4 NH3 + 3 H2SiO3
H2S + Pb(OH)4 = H2O + PbSO =>
H2S + Pb(OH)4 = 3 H2O + PbSO
K2CrO4 + KI + HCl = CrCl3 + ICl + KCl + H2O =>
2 K2CrO4 + 3 KI + 16 HCl = 2 CrCl3 + 3 ICl + 7 KCl + 8 H2O
HNO3 + Hg = NO + H2O + Hg(NO3)2 =>
8 HNO3 + 3 Hg = 2 NO + 4 H2O + 3 Hg(NO3)2
C2H3CO2 + Ba(OH)2 = Ba(C2H2CO2)2 + H2O =>
2 C2H3CO2 + Ba(OH)2 = Ba(C2H2CO2)2 + 2 H2O
LiHCO3 + HClO4 = Li(ClO4) + H2O + CO2 =>
LiHCO3 + HClO4 = Li(ClO4) + H2O + CO2
K2(Cr2O7) + H2S + HCl = KCl + CrCl3 + S + H2O =>
K2(Cr2O7) + 3 H2S + 8 HCl = 2 KCl + 2 CrCl3 + 3 S + 7 H2O
CaCl2 + AgMnO4 = AgCl + Ca(MnO4)2 =>
CaCl2 + 2 AgMnO4 = 2 AgCl + Ca(MnO4)2
Cr{3+} + PbO2 + H2O = Pb{2+} + CrO4{2-} + H{+} =>
2 Cr{3+} + 3 PbO2 + 2 H2O = 3 Pb{2+} + 2 CrO4{2-} + 4 H{+}
MgCl2 + Na3PO4 + NH4OH = MgNH4PO4 + NaOH + NaCl =>
MgCl2 + Na3PO4 + NH4OH = MgNH4PO4 + NaOH + 2 NaCl
(NH4)2Fe(SO4)2*6H2O + FeCl3*6H2O + NH3 = Fe3O4 + NH4Cl + (NH4)2SO4 + H2O =>
(NH4)2Fe(SO4)2*6H2O + 2 FeCl3*6H2O + 8 NH3 = Fe3O4 + 6 NH4Cl + 2(NH4)2SO4 + 14 H2O
SO3 + H2O = H2SO4 =>
SO3 + H2O = H2SO4
Al(s) + H2O = Al(OH)3 + H2(g) =>
2 Al(s) + 6 H2O = 2 Al(OH)3 + 3 H2(g)
H2O + SO2 + NHO = H2SO4 + NH3 =>
3 H2O + 2 SO2 + NHO = 2 H2SO4 + NH3
CuCO3 = CO2 + Cu2CO3 + O2 =>
4 CuCO3 = 2 CO2 + 2 Cu2CO3 + O2
Al + Li2CrO4 = Al2(CrO4)3 + Li2 =>
2 Al + 3 Li2CrO4 = Al2(CrO4)3 + 3 Li2
FeCl3 + KSNC = FeNC + KSCl3 =>
FeCl3 + KSNC = FeNC + KSCl3
BaC2 + H2O = Ba(OH)2 + C2H2 =>
BaC2 + 2 H2O = Ba(OH)2 + C2H2
H2SO4 + KMnO4 + C2O4H2 = MnO2 + CO2 + H2O + K2SO4 =>
H2SO4 + 2 KMnO4 + 3 C2O4H2 = 2 MnO2 + 6 CO2 + 4 H2O + K2SO4
CO2 + H2SO4 = CO2SO4 + H2 =>
CO2 + H2SO4 = CO2SO4 + H2
C18H28 + O2 = CO2 + H2O =>
C18H28 + 25 O2 = 18 CO2 + 14 H2O
Sr(HCO3)2 + HNO3 = Sr(NO3)2 + H2O + CO2 =>
Sr(HCO3)2 + 2 HNO3 = Sr(NO3)2 + 2 H2O + 2 CO2
CaP + HNO3 = CaNO3 + HP =>
CaP + HNO3 = CaNO3 + HP
Li + Br2 = LiBr =>
2 Li + Br2 = 2 LiBr
Al(s) + H2SO4(aq) = H2(g) + Al2(SO4)3(aq) =>
2 Al(s) + 3 H2SO4(aq) = 3 H2(g) + Al2(SO4)3(aq)
KOH + Cu(NO3)2*3H2O = CuO + KNO3 + H2O =>
2 KOH + Cu(NO3)2*3H2O = CuO + 2 KNO3 + 4 H2O
C6H4ClC2H5 + KMnO4 + H2SO4 = C6H4ClCOOH + CO2 + K2SO4 + H2O + MnSO4 =>
5 C6H4ClC2H5 + 12 KMnO4 + 18 H2SO4 = 5 C6H4ClCOOH + 5 CO2 + 6 K2SO4 + 28 H2O + 12 MnSO4
MnO + C = Mn + CO =>
MnO + C = Mn + CO
C2H4O2 + KOH = H2O + KC2H3O2 =>
C2H4O2 + KOH = H2O + KC2H3O2
BeD2 + Ag2X = AgD + BeX =>
BeD2 + Ag2X = 2 AgD + BeX
Na + Cl2 + O2 = NaClO2 =>
2 Na + Cl2 + 2 O2 = 2 NaClO2
VCl4 + H2SO4 + H2O = VOSO4 + HCl =>
VCl4 + H2SO4 + H2O = VOSO4 + 4 HCl
ZnSO4 + KOH = K2SO4 + Zn(OH)2 =>
ZnSO4 + 2 KOH = K2SO4 + Zn(OH)2
H3PO4 + NH3 = (NH4)2HPO4 =>
H3PO4 + 2 NH3 = (NH4)2HPO4
Bi2S3 + NaOH = Bi + Na2S + Na2SO4 + H2O =>
4 Bi2S3 + 24 NaOH = 8 Bi + 9 Na2S + 3 Na2SO4 + 12 H2O
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| Équations équilibrées la veille | Équations équilibrées le lendemain |
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