| Équations équilibrées la veille |
3 BiI3 = Bi3 + 9 I
Fe(OH)3 + CuSO4 = Cu(OH)2 + Fe2(SO4)3 =>
2 Fe(OH)3 + 3 CuSO4 = 3 Cu(OH)2 + Fe2(SO4)3
Cr(NO3)3 + ZnCl2 = CrCl3 + Zn(NO3)2 =>
2 Cr(NO3)3 + 3 ZnCl2 = 2 CrCl3 + 3 Zn(NO3)2
C9H5O3 + O2 = H2O + CO2 =>
4 C9H5O3 + 35 O2 = 10 H2O + 36 CO2
K2Cr2O7 + IK + H2SO4 = K2SO4 + I2 + Cr2(SO4)3 + H2O =>
K2Cr2O7 + 6 IK + 7 H2SO4 = 4 K2SO4 + 3 I2 + Cr2(SO4)3 + 7 H2O
CdCl2(aq) + H2S(g) = CdS(s) + HCl(aq) =>
CdCl2(aq) + H2S(g) = CdS(s) + 2 HCl(aq)
C6H10O + KMnO4 = C6H8O4K2 + MnO2 + H2O =>
C6H10O + 2 KMnO4 = C6H8O4K2 + 2 MnO2 + H2O
K4Fe(CN)6 + H2SO4 + H2O = K2SO4 + FeSO4 + (NH4)2SO4 + CO =>
K4Fe(CN)6 + 6 H2SO4 + 6 H2O = 2 K2SO4 + FeSO4 + 3(NH4)2SO4 + 6 CO
P + H2O2 = H3PO4 + H2O =>
2 P + 5 H2O2 = 2 H3PO4 + 2 H2O
I2 + S2O3{2-} = S4O6{2-} + I{-} =>
I2 + 2 S2O3{2-} = S4O6{2-} + 2 I{-}
CdSO4Zn = ZnSO4Cd =>
CdSO4Zn = ZnSO4Cd
Ce(OH)3 + KOH = K3CeO3 + H2O =>
Ce(OH)3 + 3 KOH = K3CeO3 + 3 H2O
Cl2 + Ca(OH)2 = CaCl2Ca(ClO)2 + H2O =>
2 Cl2 + 2 Ca(OH)2 = CaCl2Ca(ClO)2 + 2 H2O
H2SeO4 + C28H31N2O3 = H2SeO3 + CO2 + H2O + NH3 =>
131 H2SeO4 + 2 C28H31N2O3 = 131 H2SeO3 + 56 CO2 + 25 H2O + 4 NH3
SrS2 = S2 + Sr =>
SrS2 = S2 + Sr
ZnO + H2 = OH + Zn =>
2 ZnO + H2 = 2 OH + 2 Zn
UF4 + Mg = MgF2 + U =>
UF4 + 2 Mg = 2 MgF2 + U
Fe(s) + SnCl4(aq) = Sn(s) + FeCl2(aq) =>
2 Fe(s) + SnCl4(aq) = Sn(s) + 2 FeCl2(aq)
CH3C6H5 + KMnO4 + KOH = C6H5COOK + K2MnO4 + H2O =>
CH3C6H5 + 6 KMnO4 + 7 KOH = C6H5COOK + 6 K2MnO4 + 5 H2O
Ag + KF + HF = K2AgF4 + H2 =>
Ag + 2 KF + 2 HF = K2AgF4 + H2
H2SO4 + Cr2O3 = Cr2(SO4)3 + H2O =>
3 H2SO4 + Cr2O3 = Cr2(SO4)3 + 3 H2O
HgNO3 + K2CrO4 = Hg2CrO4 + KNO3 =>
2 HgNO3 + K2CrO4 = Hg2CrO4 + 2 KNO3
MgSO4 + H2SiF6 = MgF2 + SiF4 + H2SO4 =>
MgSO4 + H2SiF6 = MgF2 + SiF4 + H2SO4
C6H5COOCH3 + HONO2 = C6H4COOCH3NO2 + H2O =>
C6H5COOCH3 + HONO2 = C6H4COOCH3NO2 + H2O
ZnS + HCl + O2 = SO2 + ZnCl + H2O =>
4 ZnS + 4 HCl + 5 O2 = 4 SO2 + 4 ZnCl + 2 H2O
KNO3 + KY + H2SO4 = Y2 + NO + K2SO4 + H2O =>
2 KNO3 + 6 KY + 4 H2SO4 = 3 Y2 + 2 NO + 4 K2SO4 + 4 H2O
AlF3 + H2CO3 = Al2(CO3)3 + HF =>
2 AlF3 + 3 H2CO3 = Al2(CO3)3 + 6 HF
FeSO4 + Al2O3 = Fe(AlO2)2 + SO2 + O2 =>
2 FeSO4 + 2 Al2O3 = 2 Fe(AlO2)2 + 2 SO2 + O2
NaHCO3 + HC6H8O7 = H2O + CO2 + Na3C6H5O7 =>
57 NaHCO3 + 18 HC6H8O7 = 62 H2O + 51 CO2 + 19 Na3C6H5O7
Na2CO3 + Ca(OH)2 = CaCO3 + NaOH =>
Na2CO3 + Ca(OH)2 = CaCO3 + 2 NaOH
COOKCH2CH2COOK + KOH = K2CO3 + CH3CH3 =>
COOKCH2CH2COOK + 2 KOH = 2 K2CO3 + CH3CH3
AgNO3(aq) + (NH4)2S = AgS + (NH4)2NO3 =>
AgNO3(aq) + (NH4)2S = AgS + (NH4)2NO3
C18H16O2 + O2 = CO2 + H2O =>
C18H16O2 + 21 O2 = 18 CO2 + 8 H2O
HCl + KClO3 = KCl + HClO3 =>
HCl + KClO3 = KCl + HClO3
Co(NO3)2*6H2O + Na2CO3 = CoCO3 + Na2(NO3)2*6H2O =>
Co(NO3)2*6H2O + Na2CO3 = CoCO3 + Na2(NO3)2*6H2O
Li(s) + H2O = LiOH + H2 =>
2 Li(s) + 2 H2O = 2 LiOH + H2
Se(s) + O2(g) = SeO2(s) =>
Se(s) + O2(g) = SeO2(s)
K + H2 + O2 = K(OH) =>
2 K + H2 + O2 = 2 K(OH)
CCl3 + O2 = COCl2 + OCl =>
CCl3 + O2 = COCl2 + OCl
SO2 + O + H2O = HSO4 =>
2 SO2 + 3 O + H2O = 2 HSO4
FeSO4 + CuCl2 = FeCl3 + Fe2(SO4)3 + Cu =>
6 FeSO4 + 3 CuCl2 = 2 FeCl3 + 2 Fe2(SO4)3 + 3 Cu
KIO4 + Mn(NO3)2 + H2O = HMnO4 + KIO3 + HNO3 =>
5 KIO4 + 2 Mn(NO3)2 + 3 H2O = 2 HMnO4 + 5 KIO3 + 4 HNO3
C2H2O4 + HNO3 = N2O + H2O + CO2 =>
4 C2H2O4 + 2 HNO3 = N2O + 5 H2O + 8 CO2
Na2C2O4 + ZnCl2 = Na2Cl2 + ZnC2O4 =>
Na2C2O4 + ZnCl2 = Na2Cl2 + ZnC2O4
CdBr2Na2S = CdSNa2Br2 =>
CdBr2Na2S = CdSNa2Br2
CaCl2 + KHCO3 = CaCO3 + KCl + H2O + CO2 =>
CaCl2 + 2 KHCO3 = CaCO3 + 2 KCl + H2O + CO2
HCOH + NaOH + I2 = HCOONa + H2O + NaI =>
HCOH + 3 NaOH + I2 = HCOONa + 2 H2O + 2 NaI
Pb(ClO4)2 + NaOH = Pb(OH) + Na(ClO4)2 =>
Pb(ClO4)2 + NaOH = Pb(OH) + Na(ClO4)2
CrCl3 + Sc(OH)3 = Cr(OH)3 + ScCl3 =>
CrCl3 + Sc(OH)3 = Cr(OH)3 + ScCl3
Fe + CI2 = FeCI2 =>
Fe + CI2 = FeCI2
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