| Équations équilibrées la veille |
3 Ca(OH)2 + 2 H3PO4 = Ca3(PO4)2 + 6 H2O
FeSO4 + (NH4)4[Fe(CN)6] = Fe2[Fe(CN)6] + (NH4)2SO4 =>
2 FeSO4 + (NH4)4[Fe(CN)6] = Fe2[Fe(CN)6] + 2(NH4)2SO4
K2SO3 + HCI = H2O + SO2 + KCI =>
K2SO3 + 2 HCI = H2O + SO2 + 2 KCI
HNF3 = HF3N =>
HNF3 = HF3N
H2 + MnO4 = MnO2 + H2O =>
2 H2 + MnO4 = MnO2 + 2 H2O
Ba + H2SO4 = BaSO4 + H2 =>
Ba + H2SO4 = BaSO4 + H2
CH3COONa + H3PO4 = CH3COOH + Na3PO4 =>
3 CH3COONa + H3PO4 = 3 CH3COOH + Na3PO4
KMnO4 + HCl = KCl + MnCl2 + H2O + Cl2 =>
2 KMnO4 + 16 HCl = 2 KCl + 2 MnCl2 + 8 H2O + 5 Cl2
LiI + Br2 = Li2Br + I =>
4 LiI + Br2 = 2 Li2Br + 4 I
Cd{2+} + Mg = Cd + Mg{2+} =>
Cd{2+} + Mg = Cd + Mg{2+}
MnSO4 + FeSO4 + NaOH = MnFe2O4 + Na2SO4 + H2O + H2 =>
MnSO4 + 2 FeSO4 + 6 NaOH = MnFe2O4 + 3 Na2SO4 + 2 H2O + H2
H2Br2 = HBr =>
H2Br2 = 2 HBr
Al4C3H2O = Al4OH2C3 =>
Al4C3H2O = Al4OH2C3
ZnCl2 + NaOH = NaCl2 + ZnO + H2 =>
2 ZnCl2 + 2 NaOH = 2 NaCl2 + 2 ZnO + H2
K2HCO3 + Na2CO3 = K2CO3 + Na2HCO3 =>
K2HCO3 + Na2CO3 = K2CO3 + Na2HCO3
NH4 + HCl = NH4Cl + H2 =>
2 NH4 + 2 HCl = 2 NH4Cl + H2
Ca3P2O8 + H2SO4 + H2O = CaH4P2O8 + CaH4SO6 =>
Ca3P2O8 + 2 H2SO4 + 4 H2O = CaH4P2O8 + 2 CaH4SO6
Fe + Ni2(OH){-}1 = Ni + Fe3(OH){-}1 =>
3 Fe + Ni2(OH){-}1 = 2 Ni + Fe3(OH){-}1
ZnSO4 + Co(NO3)2 = ZnCoO4 + NO2 + SO2 =>
ZnSO4 + Co(NO3)2 = ZnCoO4 + 2 NO2 + SO2
Fe + Cl2 = FeCl3 =>
2 Fe + 3 Cl2 = 2 FeCl3
Fe + O2 + H2O = Fe2O33H2O3 =>
4 Fe + 35 O2 + 2 H2O = 2 Fe2O33H2O3
C6H5Cl + KOH = C6H4 + KCl + H2O =>
C6H5Cl + KOH = C6H4 + KCl + H2O
Cu + Fe = FeCu =>
Cu + Fe = FeCu
NaOH + CH3CO2H = NaC2H3O2 + H2O =>
NaOH + CH3CO2H = NaC2H3O2 + H2O
Cu3AsS4 + O2 = CuSO4 + As4O6 + SO2 =>
4 Cu3AsS4 + 31 O2 = 12 CuSO4 + As4O6 + 4 SO2
K2Cr2O7 + Sn + H2SO4 = SnSO4 + Cr2(SO4)3 + H2O + K2SO4 =>
K2Cr2O7 + 3 Sn + 7 H2SO4 = 3 SnSO4 + Cr2(SO4)3 + 7 H2O + K2SO4
Cl{-} + ClO3 + H{+} = Cl2 + H2O =>
12 Cl{-} + 2 ClO3 + 12 H{+} = 7 Cl2 + 6 H2O
AlO2 + NH4 + H2O = Al(OH)3 + NH3 =>
AlO2 + NH4 + H2O = Al(OH)3 + NH3
FeI2 + Cl2 = FeCl3 + I2 =>
2 FeI2 + 3 Cl2 = 2 FeCl3 + 2 I2
Al2(CO3)3 + H2 = H2CO3 + Al =>
Al2(CO3)3 + 3 H2 = 3 H2CO3 + 2 Al
NaCrO4 + H2SO4 = Na2SO4 + HCrO4 =>
2 NaCrO4 + H2SO4 = Na2SO4 + 2 HCrO4
KOH + CH3CHClCOOH = KCH3CHCOOH + ClOH =>
KOH + CH3CHClCOOH = KCH3CHCOOH + ClOH
CN + Cu(NH3)4{2+} + OH{-} = Cu(CN)3{2-} + NH3 + CNO{-)+H2O =>
7 CN + Cu(NH3)4{2+} + 8 OH{-} = Cu(CN)3{2-} + 4 NH3 + 4 CNO{-)+4H2O
K2SO3(s) + HI(aq) = KI(aq) + SO2(g) + H2O(l) =>
K2SO3(s) + 2 HI(aq) = 2 KI(aq) + SO2(g) + H2O(l)
Na2HCO3 + H2O2 = CO2 + H2O + Na2O2 =>
2 Na2HCO3 + 3 H2O2 = 2 CO2 + 4 H2O + 2 Na2O2
CaS + Ag = Ca + Ag2S =>
CaS + 2 Ag = Ca + Ag2S
K2SO4 + MgCl2 = KCl + MgSO4 =>
K2SO4 + MgCl2 = 2 KCl + MgSO4
Fe2O3 + H2 = Fe + H2O =>
Fe2O3 + 3 H2 = 2 Fe + 3 H2O
Fe + AgC2H3O2 = Fe(C2H3O2)2 + Ag =>
Fe + 2 AgC2H3O2 = Fe(C2H3O2)2 + 2 Ag
(CH3CO)2OH2O = CH3COOH =>
(CH3CO)2OH2O = 2 CH3COOH
C4H10(g) + O2 = CO2 + H2O =>
2 C4H10(g) + 13 O2 = 8 CO2 + 10 H2O
Cu + Na2SO4 = Cu2(SO4)2 + Na =>
2 Cu + 2 Na2SO4 = Cu2(SO4)2 + 4 Na
NaHCO3(aq) + LiOH(aq) = NaOH + LiHCO3 =>
NaHCO3(aq) + LiOH(aq) = NaOH + LiHCO3
K2MnO4 + KClO3 + H2SO4 = KMnO4 + KCl + H2O + K2SO4 =>
6 K2MnO4 + KClO3 + 3 H2SO4 = 6 KMnO4 + KCl + 3 H2O + 3 K2SO4
BaCl2 + Cs2SO4 = BaSO4 + CsCl =>
BaCl2 + Cs2SO4 = BaSO4 + 2 CsCl
HCl + Hg(NO3)2 = HgCl2 + HNO3 =>
2 HCl + Hg(NO3)2 = HgCl2 + 2 HNO3
NH3 + CrO4 = H3 + NCrO4 =>
NH3 + CrO4 = H3 + NCrO4
Cr + Mg(OH)2 = Cr(OH)3 + Mg =>
2 Cr + 3 Mg(OH)2 = 2 Cr(OH)3 + 3 Mg
Fe + H2O = FeH2 + O =>
Fe + H2O = FeH2 + O
KMnO4 + K2SO3 + KOH = K2MnO4 + K2SO4 + H2O =>
2 KMnO4 + K2SO3 + 2 KOH = 2 K2MnO4 + K2SO4 + H2O
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