| Équations équilibrées la veille |
2 HF(aq) + Ca(OH)2(aq) = CaF2(aq) + 2 H2O(l)
SnS + HNO3 = NO + S + Sn(NO3)2 + H2O =>
3 SnS + 8 HNO3 = 2 NO + 3 S + 3 Sn(NO3)2 + 4 H2O
NH3 + Na2CrO4 + H2O = NaNO3 + Cr(OH)3 + NaOH =>
3 NH3 + 8 Na2CrO4 + 14 H2O = 3 NaNO3 + 8 Cr(OH)3 + 13 NaOH
B2H6 + HCl = HBCl4 + H2 =>
B2H6 + 8 HCl = 2 HBCl4 + 6 H2
HNO3 + NO + H2O = HNO2 =>
HNO3 + 2 NO + H2O = 3 HNO2
K2[Cu(OH)4] + H2S = CuS + KOH + H2O =>
K2[Cu(OH)4] + H2S = CuS + 2 KOH + 2 H2O
K2[Zn(OH)4] + HCl = Zn(OH)2 + H2O + KCl =>
K2[Zn(OH)4] + 2 HCl = Zn(OH)2 + 2 H2O + 2 KCl
Fe2O3 + K2CO3 + KNO3 = K2FeO4 + KNO2 + CO2 =>
Fe2O3 + 2 K2CO3 + 3 KNO3 = 2 K2FeO4 + 3 KNO2 + 2 CO2
C6H12N4 + O2 = H2O + N2O5 + CO =>
C6H12N4 + 11 O2 = 6 H2O + 2 N2O5 + 6 CO
CuSO4*5H2O + Na3PO4 = Cu3(PO4)2*3H2O + Na2SO4 + H2O =>
3 CuSO4*5H2O + 2 Na3PO4 = Cu3(PO4)2*3H2O + 3 Na2SO4 + 12 H2O
Au + PbSO4 = Au(SO4)3 + Pb =>
Au + 3 PbSO4 = Au(SO4)3 + 3 Pb
C6H3N3O7 + KCl = K(C6H3N3O7) + Cl =>
C6H3N3O7 + KCl = K(C6H3N3O7) + Cl
H2O2 + NaI + H2SO4 = I2 + H2O + Na2SO4 =>
H2O2 + 2 NaI + H2SO4 = I2 + 2 H2O + Na2SO4
U{4+} + MnO4{-} + H = Mn{2+} + UO{+} + H2O =>
U{4+} + MnO4{-} + 6 H = Mn{2+} + UO{+} + 3 H2O
ZnO + NO2 = ZnNO3 =>
ZnO + NO2 = ZnNO3
Cd + Au(NO3)3 = Au + Cd(NO3)2 =>
3 Cd + 2 Au(NO3)3 = 2 Au + 3 Cd(NO3)2
FeSO4*(NH4)2SO4*6H2O + (Nh4)2S = FeS + (Nh4)2SO4 + H2O + (NH4)2S =>
FeSO4*(NH4)2SO4*6H2O + 2(Nh4)2S = FeS + 2(Nh4)2SO4 + 6 H2O + (NH4)2S
C3H6O + O3 = CO2 + H2O =>
3 C3H6O + 8 O3 = 9 CO2 + 9 H2O
[Ni(NH3)4]Cl2 + KOH = Ni(OH)2 + KCl + NH3 =>
[Ni(NH3)4]Cl2 + 2 KOH = Ni(OH)2 + 2 KCl + 4 NH3
C2H6O + PBr3 = C2H5Br + H3PO3 =>
3 C2H6O + PBr3 = 3 C2H5Br + H3PO3
Ag + Fe(NO3)3 = Ag(NO3)2 + Fe =>
3 Ag + 2 Fe(NO3)3 = 3 Ag(NO3)2 + 2 Fe
[NH4]2CO3 = NH3 + H2O + CO2 =>
[NH4]2CO3 = 2 NH3 + H2O + CO2
C + K = K4C =>
C + 4 K = K4C
CoCl2 + KMnO4 + HgO + H2O = Co(OH)3 + MnO2 + HgCl2 + KCl =>
6 CoCl2 + 2 KMnO4 + 5 HgO + 9 H2O = 6 Co(OH)3 + 2 MnO2 + 5 HgCl2 + 2 KCl
Na + O3 = Na3O =>
9 Na + O3 = 3 Na3O
Ca3(PO4)2 + (NH4)2S = CaS + (NH4)3PO4 =>
Ca3(PO4)2 + 3(NH4)2S = 3 CaS + 2(NH4)3PO4
Pb2 + HNO3 = Pb(NO3)2 + H2 =>
Pb2 + 4 HNO3 = 2 Pb(NO3)2 + 2 H2
BaO + FeO = BaFeO2 =>
BaO + FeO = BaFeO2
CO2 + H{+} + {-} = CHOOH =>
CO2 + 2 H{+} + 2e = CHOOH
CaCO3 + HCl = CO2 + CaCl2 + H2O =>
CaCO3 + 2 HCl = CO2 + CaCl2 + H2O
Mg + Ni{2+} = Mg{2+} + Ni =>
Mg + Ni{2+} = Mg{2+} + Ni
NaHCO3 + NaOH = H2O + Na2CO3 =>
NaHCO3 + NaOH = H2O + Na2CO3
AgNO4 = AgNO2 + O2 =>
AgNO4 = AgNO2 + O2
MnO2(s) + HCl(aq) = MnCl2(s) + Cl2(g) + H2O(l) =>
MnO2(s) + 4 HCl(aq) = MnCl2(s) + Cl2(g) + 2 H2O(l)
HClO + Cu(OH)2 = Cu(ClO)2 + H2O =>
2 HClO + Cu(OH)2 = Cu(ClO)2 + 2 H2O
CuSO4 + Mg = MgSO3 + CuO =>
CuSO4 + Mg = MgSO3 + CuO
KCIO(s) = KCIO4(s) + KCI(s) =>
4 KCIO(s) = KCIO4(s) + 3 KCI(s)
Mr(OH)2 + H2SO4 = MrSO4 + H2O =>
Mr(OH)2 + H2SO4 = MrSO4 + 2 H2O
H2SO4 + K4Fe(CN)6 + KMnO4 = CO2 + Fe2(SO4)3 + H2O + HNO3 + KHSO4 + MnSO4 =>
299 H2SO4 + 10 K4Fe(CN)6 + 122 KMnO4 = 60 CO2 + 5 Fe2(SO4)3 + 188 H2O + 60 HNO3 + 162 KHSO4 + 122 MnSO4
C55H12O6 + O2 = CO2 + H2O =>
C55H12O6 + 55 O2 = 55 CO2 + 6 H2O
HCOONH4 + H2O = HCOOH + NH4OH =>
HCOONH4 + H2O = HCOOH + NH4OH
H2SO4 = SO2 + O2 + H2O =>
2 H2SO4 = 2 SO2 + O2 + 2 H2O
SmCl3(H2O) + FeCl36(H2O) + C6H8O7 + (H2O)7 = SmFeO3 + (HCl)6 + C2H2O4 =>
28 SmCl3(H2O) + 28 FeCl36(H2O) + 77 C6H8O7 + 59(H2O)7 = 28 SmFeO3 + 182(HCl)6 + 231 C2H2O4
NaC + H2SO4 = Na2SO4 + HC =>
2 NaC + H2SO4 = Na2SO4 + 2 HC
RbNO2 + O2 = RbNO3 =>
2 RbNO2 + O2 = 2 RbNO3
As + KClO3 + KOH = K3As4O4 + KCl + H2O =>
24 As + 5 KClO3 + 18 KOH = 6 K3As4O4 + 5 KCl + 9 H2O
C + H2 + O2 + Ca = (C17H35COO)2Ca =>
36 C + 35 H2 + 2 O2 + Ca = (C17H35COO)2Ca
Al + ZnSO4 = Al2SO4 + Zn =>
2 Al + ZnSO4 = Al2SO4 + Zn
HClO4 + K2HPO4 = KClO4 + H3PO4 =>
2 HClO4 + K2HPO4 = 2 KClO4 + H3PO4
Sn + FeCl2 = SnFeCl2 =>
Sn + FeCl2 = SnFeCl2
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