| Équations équilibrées la veille |
2 FeS2 + 2 H2O + 7 O2 = 2 FeSO4 + 2 H2SO4
WC + I = WI + CI =>
WC + 2 I = WI + CI
(C5H5)2TiCl2 + Zn + CH3CN = (C5H5)2Ti(CH3CN)2 + ZnCl2 =>
(C5H5)2TiCl2 + Zn + 2 CH3CN = (C5H5)2Ti(CH3CN)2 + ZnCl2
SO2 + O2 + H2O = H2SO4 =>
2 SO2 + O2 + 2 H2O = 2 H2SO4
Zn + CuBr = ZnBr2 + Cu =>
Zn + 2 CuBr = ZnBr2 + 2 Cu
BaCl2 + Na2SO4 = BaSO4 + NaCl =>
BaCl2 + Na2SO4 = BaSO4 + 2 NaCl
Ba(NO2)2 + KMnO4 + H2O = MnO2 + KOH + Ba(NO3)2 =>
3 Ba(NO2)2 + 4 KMnO4 + 2 H2O = 4 MnO2 + 4 KOH + 3 Ba(NO3)2
NaBr + CI2 = NaCI2 + Br2 =>
2 NaBr + 2 CI2 = 2 NaCI2 + Br2
K2Fe(CN)6 + FeSO4 = FeFe(CN)6 + K2SO4 =>
K2Fe(CN)6 + FeSO4 = FeFe(CN)6 + K2SO4
Al(s) + HNO3(aq) = Al(NO3)3 + H2 =>
2 Al(s) + 6 HNO3(aq) = 2 Al(NO3)3 + 3 H2
Na2CO3 + CaCl2 = Na2Cl2 + CaCO3 =>
Na2CO3 + CaCl2 = Na2Cl2 + CaCO3
Pb(NO3)2 + NaOH = Pb(OH)2 + NaNO3 =>
Pb(NO3)2 + 2 NaOH = Pb(OH)2 + 2 NaNO3
C6H16 + O2 = CO3 + H2O =>
C6H16 + 13 O2 = 6 CO3 + 8 H2O
AgNO3 + CaCl2 = AgCl + Ca(NO3)2 =>
2 AgNO3 + CaCl2 = 2 AgCl + Ca(NO3)2
H2O + O2 = H2O2 =>
2 H2O + O2 = 2 H2O2
AgNO3 + CaCl2 = AgCl + Ca(NO3)2 =>
2 AgNO3 + CaCl2 = 2 AgCl + Ca(NO3)2
Al + MgSO4 = Al(SO4)2 + Mg =>
Al + 2 MgSO4 = Al(SO4)2 + 2 Mg
K2Cr2O7 + SO2 + HCl = Cr2(SO4)3 + K2SO4 + CrCl3 + H2O =>
3 K2Cr2O7 + 9 SO2 + 6 HCl = 2 Cr2(SO4)3 + 3 K2SO4 + 2 CrCl3 + 3 H2O
Ag + HNO3 = AgNO3 + NO + H2O =>
3 Ag + 4 HNO3 = 3 AgNO3 + NO + 2 H2O
V2O5 + H2SO4 = V2(SO4)5 + H2O =>
V2O5 + 5 H2SO4 = V2(SO4)5 + 5 H2O
Ag2O = Ag + O2 =>
2 Ag2O = 4 Ag + O2
AgNO3 + CaCl2 = AgCl + Ca(NO3)2 =>
2 AgNO3 + CaCl2 = 2 AgCl + Ca(NO3)2
Na3AsO4 + MgCl2 = Mg3(AsO4)2 + NaCl =>
2 Na3AsO4 + 3 MgCl2 = Mg3(AsO4)2 + 6 NaCl
NH4NO3 + H2 = H2O + N2 =>
NH4NO3 + H2 = 3 H2O + N2
C2H6O(ac) + O2(g) = CO2(g) + H2O(ac) =>
C2H6O(ac) + 3 O2(g) = 2 CO2(g) + 3 H2O(ac)
LiOH + H2O + P = LiPH3 + LiH2PO2 =>
5 LiOH + 3 H2O + 5 P = LiPH3 + 4 LiH2PO2
C3H8 + O2 = CO2 + H2O =>
C3H8 + 5 O2 = 3 CO2 + 4 H2O
Li2CO3 + Mn2O3 = Li2MnO3 + CO2 + Mn =>
3 Li2CO3 + 2 Mn2O3 = 3 Li2MnO3 + 3 CO2 + Mn
S8 + O2 = SO3 =>
S8 + 12 O2 = 8 SO3
Na + CaO = NaO + Ca =>
Na + CaO = NaO + Ca
P20 + H2O = H2PO =>
P20 + 20 H2O = 20 H2PO
K2Cr2O7 + HCl = KCl + CrCl3 + H2O + Cl2 =>
K2Cr2O7 + 14 HCl = 2 KCl + 2 CrCl3 + 7 H2O + 3 Cl2
Mg + Cl = Mg2Cl3 =>
2 Mg + 3 Cl = Mg2Cl3
Ba(OH)2 + HNO3 = Ba(NO3)2 + H2O =>
Ba(OH)2 + 2 HNO3 = Ba(NO3)2 + 2 H2O
KMnO4 + K2S2O3 + HCl = K2SO4 + MnCl + MnSO4 + H2O =>
18 KMnO4 + 13 K2S2O3 + 14 HCl = 22 K2SO4 + 14 MnCl + 4 MnSO4 + 7 H2O
NaOH + Na2SO4 = Na2OH + NaSO4 =>
NaOH + Na2SO4 = Na2OH + NaSO4
Mn + HNO3 = Mn(NO3)2 + N2O + H2O =>
4 Mn + 10 HNO3 = 4 Mn(NO3)2 + N2O + 5 H2O
C2H6 + H2O + KMnO4 = KOH + C2H6O2 + MnO2 =>
3 C2H6 + 2 H2O + 4 KMnO4 = 4 KOH + 3 C2H6O2 + 4 MnO2
P + O2 = P4O10 =>
4 P + 5 O2 = P4O10
K2CO3 + Cl2 + H2O = CO2 + KCl + HClO =>
K2CO3 + 2 Cl2 + H2O = CO2 + 2 KCl + 2 HClO
K2CrO4 + H2SO4 + Na2C2O4 = Cr2(SO4)3 + CO2 + Na2SO4 + H2O + K2SO4 =>
2 K2CrO4 + 8 H2SO4 + 3 Na2C2O4 = Cr2(SO4)3 + 6 CO2 + 3 Na2SO4 + 8 H2O + 2 K2SO4
FeO + CaO + P2 = Ca3(PO4)2 + Fe =>
5 FeO + 3 CaO + P2 = Ca3(PO4)2 + 5 Fe
CH3COOH + MgCO3 = CH3COOMg + CO2 + H2O =>
9 CH3COOH + 8 MgCO3 = 8 CH3COOMg + 10 CO2 + 6 H2O
KI + Br2 = K2Br2 + I =>
2 KI + Br2 = K2Br2 + 2 I
Al1 + Br2 = AlBr3 =>
2 Al1 + 3 Br2 = 2 AlBr3
NH3 + CuO2 = N2 + H2O + Cu =>
4 NH3 + 3 CuO2 = 2 N2 + 6 H2O + 3 Cu
NH4Cl + NaOH = NaCl + N + OH + H4 =>
NH4Cl + NaOH = NaCl + N + OH + H4
Al + HCl = AlCl3 + H2 =>
2 Al + 6 HCl = 2 AlCl3 + 3 H2
Fe2O3 + KI + H2SO4 = FeSO4 + K2SO4 + I2 + H2O =>
Fe2O3 + 2 KI + 3 H2SO4 = 2 FeSO4 + K2SO4 + I2 + 3 H2O
HCl(aq) + K2CO3(aq) = KCl(aq) + H + CO3 =>
2 HCl(aq) + K2CO3(aq) = 2 KCl(aq) + 2 H + CO3
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