| Équations équilibrées la veille |
5 C12H22O11 + 41 H2O = 24 CH2H5OH + 36 CO2
CuSO4 + NaOH = Cu(OH)2 + Na2SO4 =>
CuSO4 + 2 NaOH = Cu(OH)2 + Na2SO4
HCOOH + KMnO4 + KOH = CO2 + K2MnO4 + H2O =>
HCOOH + 2 KMnO4 + 2 KOH = CO2 + 2 K2MnO4 + 2 H2O
NaCl + CaCl2 = CaNa + Cl2 =>
2 NaCl + 2 CaCl2 = 2 CaNa + 3 Cl2
Mn(CH3COO)2 + NaOH = Na(CH3COO)2 + MnOH =>
Mn(CH3COO)2 + NaOH = Na(CH3COO)2 + MnOH
Si2H6 + H2O = Si(OH)4 + H2 =>
Si2H6 + 8 H2O = 2 Si(OH)4 + 7 H2
HgS + HNO3 = NO + HgSO4 + H2O =>
3 HgS + 8 HNO3 = 8 NO + 3 HgSO4 + 4 H2O
(Cd(NH3)4)(oh)2 + Na2S = CdS + NH3 + Na =>
(Cd(NH3)4)(oh)2 + 2 Na2S = 2 CdS + 8 NH3 + 4 Na
SrCO3 + H3BO3 + BeO = Sr2Be2B2O7 + H2O + CO2 =>
2 SrCO3 + 2 H3BO3 + 2 BeO = Sr2Be2B2O7 + 3 H2O + 2 CO2
Fe3O4(s) + H2(g) = Fe(l) + H2O(l) =>
Fe3O4(s) + 4 H2(g) = 3 Fe(l) + 4 H2O(l)
CrO2 = Cr + Cr2O7 =>
7 CrO2 = 3 Cr + 2 Cr2O7
NH3 + Fe(C2H3O2)3 = Fe + NH3(C2H3O2) =>
3 NH3 + Fe(C2H3O2)3 = Fe + 3 NH3(C2H3O2)
Si + O2 + NaOH = H2O + Na2SiO3 =>
Si + O2 + 2 NaOH = H2O + Na2SiO3
Cl2 + BrK = KCl + Br2 =>
Cl2 + 2 BrK = 2 KCl + Br2
Fe4Si3(SiO2)3 + HCl = FeCl3 + Si + H2O =>
Fe4Si3(SiO2)3 + 12 HCl = 4 FeCl3 + 6 Si + 6 H2O
ammoniumnitrate = ammonia + nitrogendioxide + hydrogenperoxide =>
2 NH4NO3 = 2 NH3 + 2 NO2 + H2O2
CO + Fe{+3}O{-2} = Fe + CO{+2} =>
3 CO + 2 Fe{+3}O{-2} = 2 Fe + 3 CO{+2}
C2H2 + O2(g) = CO2(g) + H2O =>
2 C2H2 + 5 O2(g) = 4 CO2(g) + 2 H2O
C4H5NaO6 + CuCl = C4H5CuO6 + NaCl =>
C4H5NaO6 + CuCl = C4H5CuO6 + NaCl
C12H4O + O2 = CO2 + H2O =>
2 C12H4O + 25 O2 = 24 CO2 + 4 H2O
CrO3 + NH3 + H2O = (NH4)2Cr2O7 =>
2 CrO3 + 2 NH3 + H2O = (NH4)2Cr2O7
Mn(CH3COO)2 + NaOH = Mn(OH)2 + NaCH3COO =>
Mn(CH3COO)2 + 2 NaOH = Mn(OH)2 + 2 NaCH3COO
H3(AsO4) + Zn + HCl = AsH3 + ZnCl2 + H2O =>
H3(AsO4) + 4 Zn + 8 HCl = AsH3 + 4 ZnCl2 + 4 H2O
BaSO3 + C = BaS + CO =>
BaSO3 + 3 C = BaS + 3 CO
Ca(NO3)2 + K2CO3 = CaCO3 + KNO3 =>
Ca(NO3)2 + K2CO3 = CaCO3 + 2 KNO3
Cr(NO3)3 + Na2SO4 = Cr2(SO4)3 + NaNO3 =>
2 Cr(NO3)3 + 3 Na2SO4 = Cr2(SO4)3 + 6 NaNO3
Mn(CH3COO)2 + NaOH = Na(CH3COO)2 + MnOH =>
Mn(CH3COO)2 + NaOH = Na(CH3COO)2 + MnOH
Na2Cr2O10 + HCl + FeSO4 = CrCl3 + NaCl + Fe2(SO4)3 + FeCl3 + H2O =>
Na2Cr2O10 + 20 HCl + 12 FeSO4 = 2 CrCl3 + 2 NaCl + 4 Fe2(SO4)3 + 4 FeCl3 + 10 H2O
CsI + I2 = CsI3 =>
CsI + I2 = CsI3
Al2O3 = Al + O2 =>
2 Al2O3 = 4 Al + 3 O2
MgF2 + H2SO4 = MgOF2 + H2S =>
4 MgF2 + H2SO4 = 4 MgOF2 + H2S
(NH4)3PO4 + CaCl2 = HCl + Ca3(PO4)2 + NH3 =>
2(NH4)3PO4 + 3 CaCl2 = 6 HCl + Ca3(PO4)2 + 6 NH3
K2CrO4 + H2SO4 + KI = CrSO4 + I2 + H2O + K2SO4 =>
K2CrO4 + 4 H2SO4 + 4 KI = CrSO4 + 2 I2 + 4 H2O + 3 K2SO4
HOCl + Pb(NO3)2 = PbCl2 + HONO3 =>
2 HOCl + Pb(NO3)2 = PbCl2 + 2 HONO3
Fe3{+} + Ba = Ba2{+} + Fe =>
Fe3{+} + 2 Ba = Ba2{+} + 3 Fe
MnO2(s) + HCl(aq) = MnCl2(s) + Cl2(g) + H2O(l) =>
MnO2(s) + 4 HCl(aq) = MnCl2(s) + Cl2(g) + 2 H2O(l)
CO2 + K2SO4 = K2CO3 + SO3 =>
CO2 + K2SO4 = K2CO3 + SO3
CH4(g) + Cl2 = CHCl3 + HCl(g) =>
CH4(g) + 3 Cl2 = CHCl3 + 3 HCl(g)
CH3CH2CH(OH)CH2CH3 + K2Cr2O7 + H2SO4 = Cr2(SO4)3 + K2SO4 + CH3CH2(CO)CH2CH3 + H2O =>
3 CH3CH2CH(OH)CH2CH3 + K2Cr2O7 + 4 H2SO4 = Cr2(SO4)3 + K2SO4 + 3 CH3CH2(CO)CH2CH3 + 7 H2O
CuCl2 + Al2O3 = CuO3 + Cl2Al2 =>
CuCl2 + Al2O3 = CuO3 + Cl2Al2
Mn(CH3COO)2 + NaOH = Na(CH3COO)2 + MnOH =>
Mn(CH3COO)2 + NaOH = Na(CH3COO)2 + MnOH
NaOH + SO4 = Na2SO4 + OH =>
2 NaOH + SO4 = Na2SO4 + 2 OH
CH3CO2H + NaOH = HOH + C2H3NaO2 =>
CH3CO2H + NaOH = HOH + C2H3NaO2
C5 + O3 = C5O3 =>
C5 + O3 = C5O3
HgCl2 = Hg + Cl =>
HgCl2 = Hg + 2 Cl
SiH2[N(C2H5)2]2 + O2 = SiO2 + NO2 + H2O + CO2 =>
2 SiH2[N(C2H5)2]2 + 33 O2 = 2 SiO2 + 4 NO2 + 22 H2O + 16 CO2
N5C3O2 = N + C3O2 =>
N5C3O2 = 5 N + C3O2
H4SiO4 + Ca(OH)2 = Ca(H3SiO4)2 + H2O =>
2 H4SiO4 + Ca(OH)2 = Ca(H3SiO4)2 + 2 H2O
Al + KOH + H2O = K2Al2O4 + H2 =>
2 Al + 2 KOH + 2 H2O = K2Al2O4 + 3 H2
HCOOH + KMnO4 + KOH = K2CO3 + MnO2 + H2O =>
3 HCOOH + 2 KMnO4 + 4 KOH = 3 K2CO3 + 2 MnO2 + 5 H2O
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