| Équations équilibrées la veille |
2 Al(NO3)3 = 3 N2 + 2 Al + 9 O2
KNO3 + C + S = K2S + N2 + CO2 =>
2 KNO3 + 3 C + S = K2S + N2 + 3 CO2
Na(HCO3) = Na2CO3CO2H2O =>
2 Na(HCO3) = Na2CO3CO2H2O
AgNO3 + CaCl2 = AgCl + Ca(NO3)2 =>
2 AgNO3 + CaCl2 = 2 AgCl + Ca(NO3)2
HSiO4 + Fe(OH)3 = Fe(SiO4)3 + H2O =>
3 HSiO4 + Fe(OH)3 = Fe(SiO4)3 + 3 H2O
K + Cl2 + O2 = KCl2O2 =>
K + Cl2 + O2 = KCl2O2
Li(s) + FeBr2(aq) = LiBr(aq) + Fe(s) =>
2 Li(s) + FeBr2(aq) = 2 LiBr(aq) + Fe(s)
NH3 + O2 = NO + H2O =>
4 NH3 + 5 O2 = 4 NO + 6 H2O
NaC6H5 + C2H5Cl = NaCH5 + C6H5Cl =>
4 NaC6H5 + 5 C2H5Cl = 4 NaCH5 + 5 C6H5Cl
Al2(SO3)3 = Al2 + SO3 =>
Al2(SO3)3 = Al2 + 3 SO3
Na3PO4 + CuF2 = NaF + Cu3(PO4)2 =>
2 Na3PO4 + 3 CuF2 = 6 NaF + Cu3(PO4)2
Na2CO3 + Ca(NO3)2 = CaCO3 + NaNO3 =>
Na2CO3 + Ca(NO3)2 = CaCO3 + 2 NaNO3
Fe2O3 + CO = Fe + CO2 =>
Fe2O3 + 3 CO = 2 Fe + 3 CO2
KMnO4 + H2SO4 + NaHSO3 = MnSO4 + Na2SO4 + K2SO4 + H2O =>
4 KMnO4 + H2SO4 + 10 NaHSO3 = 4 MnSO4 + 5 Na2SO4 + 2 K2SO4 + 6 H2O
C6H14O2 + H2SO4 + KI = C6H12I2 + H2O + K2SO4 =>
C6H14O2 + H2SO4 + 2 KI = C6H12I2 + 2 H2O + K2SO4
Na + Cl2 = NaCl =>
2 Na + Cl2 = 2 NaCl
Zn + Fe(SO4)2 = ZnSO4 + Fe =>
2 Zn + Fe(SO4)2 = 2 ZnSO4 + Fe
C6H5NH2 = (C6H5)2NH + NH3 =>
2 C6H5NH2 = (C6H5)2NH + NH3
Mn(OH)2 + KOH + H2O2 = KMnO4 + H2O =>
2 Mn(OH)2 + 2 KOH + 5 H2O2 = 2 KMnO4 + 8 H2O
C2H4O3 + NaHCO3 = NaC2H3O2 + H2O + CO2 =>
4 C2H4O3 + 3 NaHCO3 = 3 NaC2H3O2 + 5 H2O + 5 CO2
N2H4(g) + H2O4(l) = N2(g) + H2O(g) =>
3 N2H4(g) + 2 H2O4(l) = 3 N2(g) + 8 H2O(g)
K2Cr2O7 + HBr + HClO4 = KClO4 + Cr(ClO4)3 + Br2 + H2O =>
K2Cr2O7 + 6 HBr + 8 HClO4 = 2 KClO4 + 2 Cr(ClO4)3 + 3 Br2 + 7 H2O
Si + Na = Na4Si =>
Si + 4 Na = Na4Si
N2O5 + CO = CO2 + N2O3 =>
N2O5 + 2 CO = 2 CO2 + N2O3
Al + HF = H2 + AlF3 =>
2 Al + 6 HF = 3 H2 + 2 AlF3
Fe(OH)2 + NH3 + H2O = Fe(NO3)3 + H2 =>
2 Fe(OH)2 + 6 NH3 + 14 H2O = 2 Fe(NO3)3 + 25 H2
C168H220O200 + O20 = C10O20 + H20O10 =>
10 C168H220O200 + 123 O20 = 168 C10O20 + 110 H20O10
Cu(NO3)2 = CuO + N4O + O2 =>
4 Cu(NO3)2 = 4 CuO + 2 N4O + 9 O2
KNO2 + K2C2O4 + HCl = KCl + H2O + NO + CO2 =>
2 KNO2 + K2C2O4 + 4 HCl = 4 KCl + 2 H2O + 2 NO + 2 CO2
Fe + HCl = FeCl3 + H2 =>
2 Fe + 6 HCl = 2 FeCl3 + 3 H2
KMnO4 + H2C2O4 = K2CO3 + CO2 + MnCO3 + H2O =>
2 KMnO4 + 5 H2C2O4 = K2CO3 + 7 CO2 + 2 MnCO3 + 5 H2O
KMn04 + H2SO4 = K2SO4 + MnSO4 + SO2 + H2O =>
2 KMn04 + 18 H2SO4 = K2SO4 + 8 MnSO4 + 9 SO2 + 18 H2O
CaO + KOH = Ca(OH)2 + K2O =>
CaO + 2 KOH = Ca(OH)2 + K2O
(NH4)3N + Mg(OH)2 = Mg3N2 + (NH4)(OH) =>
2(NH4)3N + 3 Mg(OH)2 = Mg3N2 + 6(NH4)(OH)
Li + O2 + H2O = LiOH =>
4 Li + O2 + 2 H2O = 4 LiOH
HC3H5O3(aq) + OH(aq) = C3H5O3(aq) + H2O(l) =>
HC3H5O3(aq) + OH(aq) = C3H5O3(aq) + H2O(l)
CH3NH2 + H2O = CH3NH3{+} + OH{-} =>
CH3NH2 + H2O = CH3NH3{+} + OH{-}
CaCl2(s) + Na3PO4(aq) = Ca3(PO4)2(s) + NaCl =>
3 CaCl2(s) + 2 Na3PO4(aq) = Ca3(PO4)2(s) + 6 NaCl
KClO3 = KCl + KClO4 =>
4 KClO3 = KCl + 3 KClO4
Fe2 + H2O = Fe2(OH)3 + H2 =>
2 Fe2 + 6 H2O = 2 Fe2(OH)3 + 3 H2
CoOHCl + NaOH = Co(OH)2 + NaCl =>
CoOHCl + NaOH = Co(OH)2 + NaCl
K2S + Hg(NO3)2 = K(NO3) + HgS =>
K2S + Hg(NO3)2 = 2 K(NO3) + HgS
H2O + SbH3 = Sb + H3O =>
3 H2O + SbH3 = Sb + 3 H3O
CuSO4*5H2O + K2C2O4 = H2O + K2Cu(C2O4)2*2H2O + K2SO4 =>
CuSO4*5H2O + 2 K2C2O4 = 3 H2O + K2Cu(C2O4)2*2H2O + K2SO4
Al2(SO4)3 + H2O = Al(OH)3 + H2SO4 =>
Al2(SO4)3 + 6 H2O = 2 Al(OH)3 + 3 H2SO4
P4O10 + H2O = H2(HPO4) =>
P4O10 + 6 H2O = 4 H2(HPO4)
PbCl2 + KI = KCl2 + PbI =>
PbCl2 + KI = KCl2 + PbI
CuO + N2O = Cu + N2O3 =>
2 CuO + N2O = 2 Cu + N2O3
HCl + (NH4)2CO3 = H2(CO3) + (NH4)Cl =>
2 HCl + (NH4)2CO3 = H2(CO3) + 2(NH4)Cl
K2Cr2O7 + H2SO4 + C2H5OH = KCr(SO4)2 + CH3COOH + H2O =>
2 K2Cr2O7 + 8 H2SO4 + 3 C2H5OH = 4 KCr(SO4)2 + 3 CH3COOH + 11 H2O
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