| Équations équilibrées la veille |
Fe(OH)2 + 2(HCl) = FeCl2 + 2 H2O
CrO{2-} + S2O8{2-} + OH{-} = CrO4{2-} + SO4{2-} + H2O =>
CrO{2-} + 3 S2O8{2-} + 6 OH{-} = CrO4{2-} + 6 SO4{2-} + 3 H2O
FeSO4(aq) + K3[Fe(CN)6](aq) = KFe2(CN)6(s) + K2SO4(aq) =>
FeSO4(aq) + K3[Fe(CN)6](aq) = KFe2(CN)6(s) + K2SO4(aq)
Pb + Fe(SO4)2 = Pb(SO4) + Fe =>
2 Pb + Fe(SO4)2 = 2 Pb(SO4) + Fe
Cr2{+} + B = Cr + B3{+} =>
Cr2{+} + 3 B = 2 Cr + B3{+}
CH2 + Cl2 = CCl4 + HCl =>
CH2 + 3 Cl2 = CCl4 + 2 HCl
MnSO4 + KClO3 + NaOH = MnO2 + KCl + Na2SO4 + H2O =>
3 MnSO4 + KClO3 + 6 NaOH = 3 MnO2 + KCl + 3 Na2SO4 + 3 H2O
CH3CH2CN + Cr2O7{-2} + H{+} = CO2 + NH3 + Cr{3+} + H2O =>
3 CH3CH2CN + 7 Cr2O7{-2} + 56 H{+} = 9 CO2 + 3 NH3 + 14 Cr{3+} + 31 H2O
NiCO3*2Ni(OH)2*4H2O = NiO + H2O + CO2 =>
NiCO3*2Ni(OH)2*4H2O = 3 NiO + 6 H2O + CO2
C6H6 + CH3Br = C7H8 + HBr =>
C6H6 + CH3Br = C7H8 + HBr
HClO3(aq) = HCl + HClO4(aq) =>
4 HClO3(aq) = HCl + 3 HClO4(aq)
Na3PO4 + CH3COOH = CH3COONa + H3PO4 =>
Na3PO4 + 3 CH3COOH = 3 CH3COONa + H3PO4
Pb(C2H3O2)2 + H2SO4 = C2H4O2 + PbSO4 =>
Pb(C2H3O2)2 + H2SO4 = 2 C2H4O2 + PbSO4
Cr2O3 + H2SO3 = Cr2(SO3)3 + H2O =>
Cr2O3 + 3 H2SO3 = Cr2(SO3)3 + 3 H2O
K2CO3(aq) + Ba(OH)2(aq) = BaCO3 + KOH =>
K2CO3(aq) + Ba(OH)2(aq) = BaCO3 + 2 KOH
Se(OH)2 + HCl = SeCl2 + H2O =>
Se(OH)2 + 2 HCl = SeCl2 + 2 H2O
Ba(OH)2 + H2SeO3 = H2O + Ba(HSeO3)2 =>
Ba(OH)2 + 2 H2SeO3 = 2 H2O + Ba(HSeO3)2
AsO2 = As + O =>
AsO2 = As + 2 O
Mg + ZnCl2 = MgCl2Zn =>
Mg + ZnCl2 = MgCl2Zn
Al + CuNO3 = Al(NO3) + Cu =>
Al + CuNO3 = Al(NO3) + Cu
LiOH + H2O = LiH + OH =>
LiOH + H2O = LiH + 2 OH
KClO3 = KClO4 + KCl =>
4 KClO3 = 3 KClO4 + KCl
CH3H5O3H + OH = CH3H5O3 + H2O =>
CH3H5O3H + OH = CH3H5O3 + H2O
BCl3 + H2O1 = B(OH)3 + HCl =>
BCl3 + 3 H2O1 = B(OH)3 + 3 HCl
FeCl3 + K3Po4 = FePo4 + KCl =>
FeCl3 + K3Po4 = FePo4 + 3 KCl
Fe + Ni(OH)2 = Ni + Fe(OH)3 =>
2 Fe + 3 Ni(OH)2 = 3 Ni + 2 Fe(OH)3
C6H7N2 + O2 = CO2 + H2O + N2 =>
4 C6H7N2 + 31 O2 = 24 CO2 + 14 H2O + 4 N2
Cl + H2SO4 = HCl + SO4 =>
2 Cl + H2SO4 = 2 HCl + SO4
C24H38O4 + H2O = CO2 + H =>
C24H38O4 + 44 H2O = 24 CO2 + 126 H
Sr(OH)2 + H3BO3 = Sr3(BO3)2 + H2O =>
3 Sr(OH)2 + 2 H3BO3 = Sr3(BO3)2 + 6 H2O
K2Mn2O7 + KNO2 + H2SO4 = MnSO4 + H2O + KNO3 + K2SO4 =>
K2Mn2O7 + 4 KNO2 + 3 H2SO4 = 2 MnSO4 + 3 H2O + 4 KNO3 + K2SO4
Co2 + H3PO4 = Co3(PO4)2 + H2 =>
3 Co2 + 4 H3PO4 = 2 Co3(PO4)2 + 6 H2
(CH3)3COH + ZnCl2 = (CH3)3CCl + Zn + OH =>
2(CH3)3COH + ZnCl2 = 2(CH3)3CCl + Zn + 2 OH
KMnO4 + KCl + H2SO4 = MnSO4 + K2SO4 + H2O + Cl =>
KMnO4 + 5 KCl + 4 H2SO4 = MnSO4 + 3 K2SO4 + 4 H2O + 5 Cl
NaBr + CaF2 = NaF + CaBr2 = =>
2 NaBr + CaF2 = 2 NaF + CaBr2
SCl2 + NaOH = S + Na2SO3 + NaCl + H2O =>
2 SCl2 + 6 NaOH = S + Na2SO3 + 4 NaCl + 3 H2O
HC2O4{-} + HS{-} = S{2-} + H2C2O4 =>
HC2O4{-} + HS{-} = S{2-} + H2C2O4
Zn + HCl + H2O2 = ZnCl + H2O =>
2 Zn + 2 HCl + H2O2 = 2 ZnCl + 2 H2O
K2MnO4 + NaNO2 + H2SO4 = MnSO4 + K2SO4 + NaNO3 + H2O =>
K2MnO4 + 2 NaNO2 + 2 H2SO4 = MnSO4 + K2SO4 + 2 NaNO3 + 2 H2O
CH3CH2OH(l) + O2 = CO2(g) + H2O(g) =>
CH3CH2OH(l) + 3 O2 = 2 CO2(g) + 3 H2O(g)
Y(NO3)3 + Ba(NO3)2 + Cu(NO3)2 = YBa2Cu3O7 + NO2 + O2 =>
Y(NO3)3 + 2 Ba(NO3)2 + 3 Cu(NO3)2 = YBa2Cu3O7 + 13 NO2 + 3 O2
H2C4H2O4 + NaOH = H2O + Na2C4H2O4 =>
H2C4H2O4 + 2 NaOH = 2 H2O + Na2C4H2O4
KAlO4H4 + H2SO4 = AlO3H3 + K2SO4 + H2O =>
2 KAlO4H4 + H2SO4 = 2 AlO3H3 + K2SO4 + 2 H2O
Ga + S4 = Ga2S3 =>
8 Ga + 3 S4 = 4 Ga2S3
NH3 + Cu(NO3)2 = Cu(NH3)4(NO3)2 =>
4 NH3 + Cu(NO3)2 = Cu(NH3)4(NO3)2
K2CO3(aq) + Ba(OH)2(aq) = BaCO3 + KOH =>
K2CO3(aq) + Ba(OH)2(aq) = BaCO3 + 2 KOH
Cr(OH)3 + IO2{-} + OH{-} = I{-} + CrO42{-} + H2O =>
Cr(OH)3 + 20 IO2{-} + OH{-} = 20 I{-} + CrO42{-} + 2 H2O
C6H5CH3 + CH3COCl = C9H10O + HCl =>
C6H5CH3 + CH3COCl = C9H10O + HCl
C9H8 + NH4Br + KHSO5 = C9H9BrO + NH3 + KHSO4 =>
C9H8 + NH4Br + KHSO5 = C9H9BrO + NH3 + KHSO4
C3H3N + H2O = C3H6 + NH3 + O2 =>
2 C3H3N + 6 H2O = 2 C3H6 + 2 NH3 + 3 O2
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