| Équations équilibrées la veille |
HCl + NaC2O4 = HC2O4 + NaCl
Al2[SO4]3 + NaF = Na3AlF6 + Na2SO4 =>
Al2[SO4]3 + 12 NaF = 2 Na3AlF6 + 3 Na2SO4
NaOCl + KI = KCl + NaOI =>
NaOCl + KI = KCl + NaOI
KMnO4 + C7H6O = Mn + C7H6O2 + K =>
KMnO4 + 4 C7H6O = Mn + 4 C7H6O2 + K
(CH3COO)2Pb(aq) + (NH4)2SO4(aq) = PbSO4(s) + CH3COONH4(aq) =>
(CH3COO)2Pb(aq) + (NH4)2SO4(aq) = PbSO4(s) + 2 CH3COONH4(aq)
C3H5N3O9 = CO2 + H2O + N2 + O2 =>
4 C3H5N3O9 = 12 CO2 + 10 H2O + 6 N2 + O2
MgSO4(aq) + Ca(NO3)2(aq) = CaSO4(s) + Mg(NO3)2(aq) =>
MgSO4(aq) + Ca(NO3)2(aq) = CaSO4(s) + Mg(NO3)2(aq)
C3H5O3{-} = C3H5O2{-} + C2H3O2{-} + CO2 + H2 =>
2 C3H5O3{-} = C3H5O2{-} + C2H3O2{-} + CO2 + H2
Ca + C(r) = CaC2 =>
Ca + 2 C(r) = CaC2
MgSO4(aq) + Ca(NO3)2(aq) = CaSO4(s) + Mg(NO3)2(aq) =>
MgSO4(aq) + Ca(NO3)2(aq) = CaSO4(s) + Mg(NO3)2(aq)
MnCl2 + KOH = KCl + Mn(OH)2 =>
MnCl2 + 2 KOH = 2 KCl + Mn(OH)2
NH3H2O = NH4 + OH =>
NH3H2O = NH4 + OH
N2O3 + H2O = NHO2 =>
N2O3 + H2O = 2 NHO2
Al + H2O + NaOH = H2 + Na3[Al(OH)6] =>
2 Al + 6 H2O + 6 NaOH = 3 H2 + 2 Na3[Al(OH)6]
(CuOH)NO3 + KOH = KNO3 + Cu(OH)2 =>
(CuOH)NO3 + KOH = KNO3 + Cu(OH)2
P4O6(s) + I2(s) = P2I4(s) + P4O10(s) =>
5 P4O6(s) + 8 I2(s) = 4 P2I4(s) + 3 P4O10(s)
Al + Cu(NO3) = Al(NO3)3 + Cu =>
Al + 3 Cu(NO3) = Al(NO3)3 + 3 Cu
Cl2O + H2O = HClO =>
Cl2O + H2O = 2 HClO
Pb(NO3)2K2CrO4 = PbCrO4 + KNO3 =>
Pb(NO3)2K2CrO4 = PbCrO4 + 2 KNO3
N2 + H2 = NH3 =>
N2 + 3 H2 = 2 NH3
C12H22O11 + KMnO4 = K2O + MnO2 + CO2 + H2O =>
C12H22O11 + 16 KMnO4 = 8 K2O + 16 MnO2 + 12 CO2 + 11 H2O
Zn(No3)2 + H2O = Zn + O2 + HNo3 =>
2 Zn(No3)2 + 2 H2O = 2 Zn + O2 + 4 HNo3
NaOCl + KI + CH3COOH = NaCl + I2 + H2O + CH3COOK =>
NaOCl + 2 KI + 2 CH3COOH = NaCl + I2 + H2O + 2 CH3COOK
K2SO3 + NaCl = KCl + Na2SO3 =>
K2SO3 + 2 NaCl = 2 KCl + Na2SO3
C + H2SO4 = CO2 + HSO2 + H2O =>
3 C + 4 H2SO4 = 3 CO2 + 4 HSO2 + 2 H2O
Ni{2} + S{2-} = NiS =>
Ni{2} + S{2-} = NiS
Cr(OH)3 + HNO3 = H(OH)3 + Cr(NO3) =>
Cr(OH)3 + HNO3 = H(OH)3 + Cr(NO3)
CuSO4 + Fe(OH)2 = FeSO4 + Cu(OH)2 =>
CuSO4 + Fe(OH)2 = FeSO4 + Cu(OH)2
C18H38 + O2 = CO2 + H2O =>
2 C18H38 + 55 O2 = 36 CO2 + 38 H2O
KMnO4 + H2S + H2SO4 = MnSO4 + K2S2O8 + H2O =>
2 KMnO4 + H2S + 3 H2SO4 = 2 MnSO4 + K2S2O8 + 4 H2O
Al(s) + Br2 = AlBr3(s) =>
2 Al(s) + 3 Br2 = 2 AlBr3(s)
CH2O + H2 = CH3OH =>
CH2O + H2 = CH3OH
KMnO4 + H2S + H2SO4 = MnSO4 + K2S2O8 + H2O =>
2 KMnO4 + H2S + 3 H2SO4 = 2 MnSO4 + K2S2O8 + 4 H2O
BPO4 + C2H6O = BP + CO2 + H2O =>
3 BPO4 + 2 C2H6O = 3 BP + 4 CO2 + 6 H2O
CuSO4 + Na2HPO4 = Na2SO4 + Cu3(PO4)2 + NaH2PO4 =>
3 CuSO4 + 4 Na2HPO4 = 3 Na2SO4 + Cu3(PO4)2 + 2 NaH2PO4
OH + O = HO2 =>
OH + O = HO2
KMnO4 + H2S + H2SO4 = MnSO4 + K2S2O8 + H2O =>
2 KMnO4 + H2S + 3 H2SO4 = 2 MnSO4 + K2S2O8 + 4 H2O
Ba(NO3)2 = BaO + NO2 + O2 =>
2 Ba(NO3)2 = 2 BaO + 4 NO2 + O2
NaCl + F2 = NaF + Cl2 =>
2 NaCl + F2 = 2 NaF + Cl2
Zn + NaOH + NaNO3 + H2O = Na2Zn(OH)4 + NH3 =>
4 Zn + 7 NaOH + NaNO3 + 6 H2O = 4 Na2Zn(OH)4 + NH3
NaOH + H2Co3 = Na2Co3 + H2O =>
2 NaOH + H2Co3 = Na2Co3 + 2 H2O
Cr(s) + NiSO4(aq) = Cr2(SO4)3(aq) + Ni(s) =>
2 Cr(s) + 3 NiSO4(aq) = Cr2(SO4)3(aq) + 3 Ni(s)
CH3CHO + Ag(NH3)2OH = CH3COOH + Ag + NH3 + H2O =>
CH3CHO + 2 Ag(NH3)2OH = CH3COOH + 2 Ag + 4 NH3 + H2O
Cr2O7{2-} + H{+} + CH3OH = Cr{3+} + HCO2H + H2O =>
2 Cr2O7{2-} + 16 H{+} + 3 CH3OH = 4 Cr{3+} + 3 HCO2H + 11 H2O
Sn + HNO3 = Sn(NO3)2 + NH4NH3 + H2O =>
17 Sn + 38 HNO3 = 17 Sn(NO3)2 + 2 NH4NH3 + 12 H2O
C6H10 + KMnO4 + H2SO4 = C3H6O2 + K2SO4 + MnSO4 + H2O =>
5 C6H10 + 6 KMnO4 + 9 H2SO4 = 10 C3H6O2 + 3 K2SO4 + 6 MnSO4 + 4 H2O
Ph + H3PO4 = H2 + Ph3(PO4)2 =>
3 Ph + 2 H3PO4 = 3 H2 + Ph3(PO4)2
Na + Cl2NaCl = NaCl =>
2 Na + Cl2NaCl = 3 NaCl
C6H5NH2 + O2 = CO2 + H2O + N2 =>
4 C6H5NH2 + 31 O2 = 24 CO2 + 14 H2O + 2 N2
Zn + H{+} = Zn{+} + H2 =>
2 Zn + 2 H{+} = 2 Zn{+} + H2
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