| Équations équilibrées la veille |
Cr2O3 + 3 KNO3 + 2 NaCO3 = 2 NaCrO4 + 2 CO2 + 3 KNO2
CH3CHOHCH3 + Cr2O7{2-} + H{+} = CH3CO2CH3 + Cr{3+} + H2O =>
3 CH3CHOHCH3 + 2 Cr2O7{2-} + 16 H{+} = 3 CH3CO2CH3 + 4 Cr{3+} + 11 H2O
KClO2 + FeSO4 + H2SO4 = KCl + Fe(SO4)3 + H2O =>
KClO2 + FeSO4 + 2 H2SO4 = KCl + Fe(SO4)3 + 2 H2O
Fe + HCl = FeCl2 + H2 =>
Fe + 2 HCl = FeCl2 + H2
CH3CCH + Na = CH3CCNa + H2 =>
2 CH3CCH + 2 Na = 2 CH3CCNa + H2
K2HPO4 + HBr = KBr + H3PO4 =>
K2HPO4 + 2 HBr = 2 KBr + H3PO4
Mg + H2O = Mg2OH + H2 =>
4 Mg + 2 H2O = 2 Mg2OH + H2
CS2 + Cl = CCl + S2Cl2 =>
CS2 + 3 Cl = CCl + S2Cl2
I2 + KClO4 + H2O = KIO3 + HIO3 + HCl =>
4 I2 + 5 KClO4 + 4 H2O = 5 KIO3 + 3 HIO3 + 5 HCl
ClF3 = F + Cl2 =>
2 ClF3 = 6 F + Cl2
FeS2 + CuCl2 + H2S + O2 = CuFeS2 + HCl + SO4 =>
FeS2 + CuCl2 + H2S + 2 O2 = CuFeS2 + 2 HCl + SO4
Cr + Br2 = Cr(Br2) =>
Cr + Br2 = Cr(Br2)
FeCl3 + Na2CO3 = Fe2O3 + CO2 + NaCl =>
2 FeCl3 + 3 Na2CO3 = Fe2O3 + 3 CO2 + 6 NaCl
Ca(OH)2 + Al2O3 + H2O = Ca[Al(OH)4]2 =>
Ca(OH)2 + Al2O3 + 3 H2O = Ca[Al(OH)4]2
CaBr2 + MgN2O6 = CaN2O6 + MgBr2 =>
CaBr2 + MgN2O6 = CaN2O6 + MgBr2
Au(OH)3 = Au2O3 + H2O =>
2 Au(OH)3 = Au2O3 + 3 H2O
CrCl3 + AgCH3CO2 = AgCl + Cr(CH3CO2)3 =>
CrCl3 + 3 AgCH3CO2 = 3 AgCl + Cr(CH3CO2)3
HF + C2H6O2 = HFC2H6O2 =>
HF + C2H6O2 = HFC2H6O2
P2O5 = PO3{-} + PO2{+} =>
P2O5 = PO3{-} + PO2{+}
Cu(OH2)6 + NaOH = Cu(OH)2 + Na + H2O =>
Cu(OH2)6 + 2 NaOH = Cu(OH)2 + 2 Na + 6 H2O
[Ag(NH3)2]OH + AgOH = NH4OH + Ag2O =>
[Ag(NH3)2]OH + 3 AgOH = 2 NH4OH + 2 Ag2O
Ba + NO3 = BaNO3 =>
Ba + NO3 = BaNO3
Zn + NaOH + HOH = Na2[Zn(OH)4] + H2 =>
Zn + 2 NaOH + 2 HOH = Na2[Zn(OH)4] + H2
Br(OH)2 + KOH = K2BrO2 + H2O =>
Br(OH)2 + 2 KOH = K2BrO2 + 2 H2O
Fe(NO3)3 + Li2O = Fe2O3 + LiNO3 =>
2 Fe(NO3)3 + 3 Li2O = Fe2O3 + 6 LiNO3
P + ClO = PO + Cl =>
P + ClO = PO + Cl
KFl = K + Fl =>
KFl = K + Fl
FeBr2 + Mg(OH)2 = MgBr2 + Fe(OH)2 =>
FeBr2 + Mg(OH)2 = MgBr2 + Fe(OH)2
CaO + UF6 = CaU2O7 + CaF2 =>
7 CaO + 2 UF6 = CaU2O7 + 6 CaF2
Co(NO3)2 + NH4SCN = NH4(NO3)2 + CoSCN =>
Co(NO3)2 + NH4SCN = NH4(NO3)2 + CoSCN
Mg2 + O2 = Mg2O4 =>
Mg2 + 2 O2 = Mg2O4
KAl2Si3O10 + H2CO3 + H2O = Al2Si2O5(OH)4 + SiO2 + KCO3 =>
KAl2Si3O10 + H2CO3 + H2O = Al2Si2O5(OH)4 + SiO2 + KCO3
FeSO3 + HNO3 = NO + Fe(SO3)3 + Fe(NO3)3 + H2O =>
3 FeSO3 + 8 HNO3 = 2 NO + Fe(SO3)3 + 2 Fe(NO3)3 + 4 H2O
Mg(BO3)2 + Na = Na3BO3 + Mg =>
Mg(BO3)2 + 6 Na = 2 Na3BO3 + Mg
C5H6 + KOH + FeCl2H8O4 = FeC10H10 + H2O + KCl =>
2 C5H6 + 2 KOH + FeCl2H8O4 = FeC10H10 + 6 H2O + 2 KCl
(COOH)2 + KMnO4 = K(COOH)2 + MnO4 =>
(COOH)2 + KMnO4 = K(COOH)2 + MnO4
KMnO4 + H2SO4 + Sb = K2SO4 + MnSO2 + SbO3 + H2O =>
2 KMnO4 + 3 H2SO4 + 3 Sb = K2SO4 + 2 MnSO2 + 3 SbO3 + 3 H2O
NaBrO3 + KI = I + NaBrO3K =>
NaBrO3 + KI = I + NaBrO3K
Cd + H2SO4 = Cd(SO4) + H2 =>
Cd + H2SO4 = Cd(SO4) + H2
CuCl2 + K2Cr2O7 = CuCr2O7 + KCl =>
CuCl2 + K2Cr2O7 = CuCr2O7 + 2 KCl
Cu + Ag{+} = Cu{+4} + Ag =>
Cu + 4 Ag{+} = Cu{+4} + 4 Ag
Cr2S3 + HNO3 = Cr(NO3)3 + S + NO + H2O =>
Cr2S3 + 8 HNO3 = 2 Cr(NO3)3 + 3 S + 2 NO + 4 H2O
SeCl4 + O2 = SeO3 + Cl2 =>
2 SeCl4 + 3 O2 = 2 SeO3 + 4 Cl2
Al2O3 + C = Al2C + O3 =>
Al2O3 + C = Al2C + O3
NO + O2 = NO2 =>
2 NO + O2 = 2 NO2
Sn(OH)2 + NH4OH = (NH4)2[Sn(OH)4] =>
Sn(OH)2 + 2 NH4OH = (NH4)2[Sn(OH)4]
C6H5CH3 + Br2 = C6H3Br3 + HBr =>
6 C6H5CH3 + 24 Br2 = 7 C6H3Br3 + 27 HBr
H2SO3 + NaNO2 = HNO2 + Na2SO3 =>
H2SO3 + 2 NaNO2 = 2 HNO2 + Na2SO3
K2SO3 + KClO3 = K2SO4 + KCl =>
3 K2SO3 + KClO3 = 3 K2SO4 + KCl
HCl + Mg3(PO4)2 = H3(PO4) + MgCl2 =>
6 HCl + Mg3(PO4)2 = 2 H3(PO4) + 3 MgCl2
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