Équations équilibrées la veille |
2 Cu + 2 Na2S2O3 = Na2S4O6 + 2 NaCu
C6H5COOH + O2 = CO2 + H2O =>
2 C6H5COOH + 15 O2 = 14 CO2 + 6 H2O
Fe + N2 = FeN2 =>
Fe + N2 = FeN2
Sn + Ag3PO4 = Ag + Sn3(PO4)2 =>
3 Sn + 2 Ag3PO4 = 6 Ag + Sn3(PO4)2
BaO + NO2 = Ba3N2 + O2 =>
6 BaO + 4 NO2 = 2 Ba3N2 + 7 O2
KBiO3 + K2SO3 + H2SO4 = Bi2(SO4)3 + K2SO4 + H2O =>
2 KBiO3 + 2 K2SO3 + 4 H2SO4 = Bi2(SO4)3 + 3 K2SO4 + 4 H2O
Fe2O3 + C = Fe + CO2 =>
2 Fe2O3 + 3 C = 4 Fe + 3 CO2
HCl + Ba(OH)2 = HBa + Cl(OH)2 =>
HCl + Ba(OH)2 = HBa + Cl(OH)2
Br2 + KI = I2 + KBr =>
Br2 + 2 KI = I2 + 2 KBr
C2H4 + BiO3{-} + H2O = CO2 + Bi{3} + OH{-} =>
C2H4 + 6 BiO3{-} + 10 H2O = 2 CO2 + 6 Bi{3} + 24 OH{-}
(NH4)2SO3 = N2H8 + SO3 =>
(NH4)2SO3 = N2H8 + SO3
Pb(NO3)2 + NaI = PbI2 + NaNO3 =>
Pb(NO3)2 + 2 NaI = PbI2 + 2 NaNO3
C2H5OH + O2 = C2O2 + H5(OH) =>
C2H5OH + O2 = C2O2 + H5(OH)
Co + AgNO3 = Co(NO3) + Ag =>
Co + AgNO3 = Co(NO3) + Ag
CO2 + H2O = C6H12O6 + O2 =>
6 CO2 + 6 H2O = C6H12O6 + 6 O2
Cr(s) + Fe(KNO3)(aq) = Fe(s) + Cr(KNO3)(aq) =>
Cr(s) + Fe(KNO3)(aq) = Fe(s) + Cr(KNO3)(aq)
Na2O + CuO = Na2CuO2 =>
Na2O + CuO = Na2CuO2
Ni(s) + AgNO3(aq) = Ni(NO3)2(aq) + Ag(s) =>
Ni(s) + 2 AgNO3(aq) = Ni(NO3)2(aq) + 2 Ag(s)
CaCl2 + NH(CO3)2 = CaCO3 + NHCl4 =>
2 CaCl2 + NH(CO3)2 = 2 CaCO3 + NHCl4
HCl(aq) + CaCO3(s) = CaCl2(s) + CO2(s) + H2O(s) =>
2 HCl(aq) + CaCO3(s) = CaCl2(s) + CO2(s) + H2O(s)
KClO3(s) = KCl(s) + O2(g) =>
2 KClO3(s) = 2 KCl(s) + 3 O2(g)
Fe + N2 = FeN2 =>
Fe + N2 = FeN2
H2 + O2 = H2O =>
2 H2 + O2 = 2 H2O
Pb{4+} + Fe{2+} = Fe{3+} + Pb{2+} =>
Pb{4+} + 2 Fe{2+} = 2 Fe{3+} + Pb{2+}
C3H7CHO + H2 = C4H9OH =>
C3H7CHO + H2 = C4H9OH
NH3 + Cl2 = N2 + HCl =>
2 NH3 + 3 Cl2 = N2 + 6 HCl
FeCl3 + NaOH = Fe(OH)3 + NaCl =>
FeCl3 + 3 NaOH = Fe(OH)3 + 3 NaCl
Al + O2 = Al2O3 =>
4 Al + 3 O2 = 2 Al2O3
AgBr + GaPO4 = Ag3PO4 + GaBr3 =>
3 AgBr + GaPO4 = Ag3PO4 + GaBr3
PbSO4(heat) = PbO + SO3 =>
PbSO4(heat) = PbO + SO3
CH3ONa + KMnO4 + H2SO4 = CO2 + MnSO4 + K2SO4 + Na2SO4 + H2O =>
10 CH3ONa + 12 KMnO4 + 23 H2SO4 = 10 CO2 + 12 MnSO4 + 6 K2SO4 + 5 Na2SO4 + 38 H2O
SO2NaCl = NaSO2Cl =>
SO2NaCl = NaSO2Cl
Al + Cl2 = AlCl3 =>
2 Al + 3 Cl2 = 2 AlCl3
*H2 + O2 = H2O =>
2*H2 + O2 = 2 H2O
BaCl2(aq) + Al2(SO4)3 = BaSO4 + AlCl3 =>
3 BaCl2(aq) + Al2(SO4)3 = 3 BaSO4 + 2 AlCl3
TiCl4 + H2O = TiO2 + HCl =>
TiCl4 + 2 H2O = TiO2 + 4 HCl
H2 + HgSO4 = H2SO4 + Hg =>
H2 + HgSO4 = H2SO4 + Hg
TiCl4 + H2O = TiO2 + HCl =>
TiCl4 + 2 H2O = TiO2 + 4 HCl
Br2 + KI = I2 + KBr =>
Br2 + 2 KI = I2 + 2 KBr
Na + Cl2 = NaCl =>
2 Na + Cl2 = 2 NaCl
Na2SO3 + HCl = NaCl + H2O + SO2 =>
Na2SO3 + 2 HCl = 2 NaCl + H2O + SO2
H2 + O2 = H2O =>
2 H2 + O2 = 2 H2O
PCl3 + H2O = H3PO3 + HCl =>
PCl3 + 3 H2O = H3PO3 + 3 HCl
F2 + H2O = OF2 + HF =>
2 F2 + H2O = OF2 + 2 HF
Pb(OH)2 + HCl = H2O + PbCl2 =>
Pb(OH)2 + 2 HCl = 2 H2O + PbCl2
C4H10 + O2 = CO2 + H2O =>
2 C4H10 + 13 O2 = 8 CO2 + 10 H2O
Pb + HClO2 = H2 + Pb(ClO2)2 =>
Pb + 2 HClO2 = H2 + Pb(ClO2)2
Mg + CuCl2 = MgCl2 + Cu =>
Mg + CuCl2 = MgCl2 + Cu
HNO3 + Al(OH)3 = Al(NO3)3 + H2O =>
3 HNO3 + Al(OH)3 = Al(NO3)3 + 3 H2O
Na + H2O = NaOH + H2 =>
2 Na + 2 H2O = 2 NaOH + H2
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