| Équations équilibrées la veille |
2 HC2H3O2(aq) + Ba(OH)2 = 2 H2O + Ba(C2H3O2)2
Mg + NaNO3 = Mg(NO3)2 + Na =>
Mg + 2 NaNO3 = Mg(NO3)2 + 2 Na
Zn + CuSO4 = ZnSO4 + Cu =>
Zn + CuSO4 = ZnSO4 + Cu
Cu = Cu{2+} + {-} =>
Cu = Cu{2+} + 2e
CaH2 + HOH = Ca(OH)2 + H2 =>
CaH2 + 2 HOH = Ca(OH)2 + 2 H2
Cu(NO3)2 + H2O2 = CuO2 + HNO3 =>
Cu(NO3)2 + H2O2 = CuO2 + 2 HNO3
NaHSO3 + H2O2 = NaOH + H2SO4 =>
NaHSO3 + H2O2 = NaOH + H2SO4
NH4Cl + BaCl2 = BaNH4 + Cl =>
NH4Cl + BaCl2 = BaNH4 + 3 Cl
H2 + KO2 = KOH + H2O =>
3 H2 + 2 KO2 = 2 KOH + 2 H2O
Pb(NO3)2 + NH4SCN = PbSCN + NH4(NO3)2 =>
Pb(NO3)2 + NH4SCN = PbSCN + NH4(NO3)2
MgCl2 + I = MgI2 + Cl =>
MgCl2 + 2 I = MgI2 + 2 Cl
ZrOCl2*8H2O + NaOH = Zr(OH)4 + NaCl + H2O =>
ZrOCl2*8H2O + 2 NaOH = Zr(OH)4 + 2 NaCl + 7 H2O
Fe(OH)3 + NaBr = FeBr3 + Na(OH) =>
Fe(OH)3 + 3 NaBr = FeBr3 + 3 Na(OH)
CrO2Cl2 + H2O = CrO3 + HCl =>
CrO2Cl2 + H2O = CrO3 + 2 HCl
Al2(SO4)3 + Co(NO3)2 = Co(AlO2) + NO2 + O2 + SO3 =>
2 Al2(SO4)3 + 4 Co(NO3)2 = 4 Co(AlO2) + 8 NO2 + 3 O2 + 6 SO3
K2CO3 + Pb(C2H3O2)2 = K2(C2H3O2)2 + PbCO3 =>
K2CO3 + Pb(C2H3O2)2 = K2(C2H3O2)2 + PbCO3
Mg(C2H3O2)2 + (NH4)2S = MgS + NH4C2H3O2 =>
Mg(C2H3O2)2 + (NH4)2S = MgS + 2 NH4C2H3O2
B + H2CO3 = B2(CO3)3 + H2 =>
2 B + 3 H2CO3 = B2(CO3)3 + 3 H2
Ni(NO3)2 + K3(PO4) = Ni3(PO4)2 + KNO3 =>
3 Ni(NO3)2 + 2 K3(PO4) = Ni3(PO4)2 + 6 KNO3
CO(NH2)2(aq) + H2O(l) = (NH4)2CO3(aq) =>
CO(NH2)2(aq) + 2 H2O(l) = (NH4)2CO3(aq)
Na3PO4 + (NH4)2SO4 = Na2SO4 + PO4(NH4)3 =>
2 Na3PO4 + 3(NH4)2SO4 = 3 Na2SO4 + 2 PO4(NH4)3
Mg + Fe2(CO3)3 = Mg(CO3)3 + Fe =>
Mg + Fe2(CO3)3 = Mg(CO3)3 + 2 Fe
H2O2 + I = HI + O2 =>
H2O2 + 2 I = 2 HI + O2
PCl5(s) + H2O(liq) = H3PO4(ac) + HCl(ac) =>
PCl5(s) + 4 H2O(liq) = H3PO4(ac) + 5 HCl(ac)
C2H4(s) + O2(g) = C6H12O11(s) =>
6 C2H4(s) + 11 O2(g) = 2 C6H12O11(s)
Fe + Ba(OH)2 = Fe(OH)2 + Ba =>
Fe + Ba(OH)2 = Fe(OH)2 + Ba
As2S3 + H2O2 + OH{-} = AsO4{-3} + SO4{-2} + H2O =>
As2S3 + 14 H2O2 + 12 OH{-} = 2 AsO4{-3} + 3 SO4{-2} + 20 H2O
Cu + HO = Cu(OH)2 =>
Cu + 2 HO = Cu(OH)2
C4H9Br + NH3 = HBr + C4H9NH2 =>
C4H9Br + NH3 = HBr + C4H9NH2
C6H11O6 + C2H5Cl + NaOH = C10H18O5 + NaCl + H2O =>
12 C6H11O6 + 29 C2H5Cl + 29 NaOH = 13 C10H18O5 + 29 NaCl + 36 H2O
H2O + P = OH + PH3 =>
3 H2O + P = 3 OH + PH3
KMnO4 + K3AsO3 + H2SO4 = MnSO4 + K3AsO4 + K2SO4 + H2O =>
2 KMnO4 + 5 K3AsO3 + 3 H2SO4 = 2 MnSO4 + 5 K3AsO4 + K2SO4 + 3 H2O
HCl + Fe(OH)3 = Fe(OH)2Cl + H2O =>
HCl + Fe(OH)3 = Fe(OH)2Cl + H2O
HAuCl4 + Zn = Au + ZnCl2 + H2 =>
2 HAuCl4 + 4 Zn = 2 Au + 4 ZnCl2 + H2
CeNiO3 = CeO2 + NiO =>
CeNiO3 = CeO2 + NiO
KOCN + (NH4)2SO4 = CON2H4 + K2SO4 =>
2 KOCN + (NH4)2SO4 = 2 CON2H4 + K2SO4
Fe(NO3)3 + NH3 + H2O = FeHO + NH3NO3 =>
9 Fe(NO3)3 + 25 NH3 + 6 H2O = 9 FeHO + 26 NH3NO3
Pb + H2CO3 = Pb(CO3)2 + H2 =>
Pb + 2 H2CO3 = Pb(CO3)2 + 2 H2
KHSO4 + NH3 = K2SO4 + (NH4)2SO4 =>
2 KHSO4 + 2 NH3 = K2SO4 + (NH4)2SO4
As2S3 + O2 + H2O = S2O3{2-} + H3AsO3 + H{+} =>
2 As2S3 + 6 O2 + 9 H2O = 3 S2O3{2-} + 4 H3AsO3 + 6 H{+}
H2O2 + H2O = HO2{-} + H3O{+} =>
H2O2 + H2O = HO2{-} + H3O{+}
CuSO4 + Cu(OH)2 = (CuOH)2SO4 =>
CuSO4 + Cu(OH)2 = (CuOH)2SO4
Ca(OH)2 + K2S = CaS + K(OH) =>
Ca(OH)2 + K2S = CaS + 2 K(OH)
FeS2 + O2 = Fe2O3 + SO2 =>
4 FeS2 + 11 O2 = 2 Fe2O3 + 8 SO2
Cu2 + Ag(NO3)2 = Cu(NO3)2 + Ag =>
Cu2 + 2 Ag(NO3)2 = 2 Cu(NO3)2 + 2 Ag
CH2O + H2AsO4{-} = HCO3{-} + H2AsO3{-} + H{+} =>
CH2O + 2 H2AsO4{-} = HCO3{-} + 2 H2AsO3{-} + H{+}
CaCO3(s) + HCl = CaCl2 + CO2(g) + H2O =>
CaCO3(s) + 2 HCl = CaCl2 + CO2(g) + H2O
SiO2 + HF = SiF4 + H2O =>
SiO2 + 4 HF = SiF4 + 2 H2O
Si2Cl6 = Si6Cl14 + SiCl4 =>
5 Si2Cl6 = Si6Cl14 + 4 SiCl4
FeCl3*6H2O + CH3COONa*3H2O + C5H8O2 = Fe(C5H7O2)3 + NaCl + H2O + CH3COOH =>
FeCl3*6H2O + 3 CH3COONa*3H2O + 3 C5H8O2 = Fe(C5H7O2)3 + 3 NaCl + 15 H2O + 3 CH3COOH
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