| Équations équilibrées la veille | Équations équilibrées le lendemain |
Ca(HCO3)2 = CaCO3 + H2O + CO2
Mg + O2 = MgO =>
2 Mg + O2 = 2 MgO
NH3 + O2 = NO + H2O =>
4 NH3 + 5 O2 = 4 NO + 6 H2O
C2H5OH + O2 = CO2 + H2O =>
C2H5OH + 3 O2 = 2 CO2 + 3 H2O
C2H6 + O2 = CO2 + H2O =>
2 C2H6 + 7 O2 = 4 CO2 + 6 H2O
Mg(s) + N2(g) = Mg3N2(s) =>
3 Mg(s) + N2(g) = Mg3N2(s)
Na2O2 + H2O = NaOH + O2 =>
2 Na2O2 + 2 H2O = 4 NaOH + O2
SO2(g) + O2(g) = SO3(g) =>
2 SO2(g) + O2(g) = 2 SO3(g)
Fe(NO3)3 + K2CO3 = Fe2(CO3)3 + KNO3 =>
2 Fe(NO3)3 + 3 K2CO3 = Fe2(CO3)3 + 6 KNO3
Pb(NO3)2 + (NH4)2SO4 = PbSO4 + NH4NO3 =>
Pb(NO3)2 + (NH4)2SO4 = PbSO4 + 2 NH4NO3
H2(g) + I2(g) = HI(g) =>
H2(g) + I2(g) = 2 HI(g)
BrO3{-} + Sn2{2+} + H{+} = Br2 + Sn{4+} + H2O =>
6 BrO3{-} + 5 Sn2{2+} + 36 H{+} = 3 Br2 + 10 Sn{4+} + 18 H2O
FeO3 + CO = Fe + CO2 =>
FeO3 + 3 CO = Fe + 3 CO2
Fe2O3 + CO = Fe + CO2 =>
Fe2O3 + 3 CO = 2 Fe + 3 CO2
Cu + O = Cu2O =>
2 Cu + O = Cu2O
Pb(NO3)2 = PbO + NO2 + O2 =>
2 Pb(NO3)2 = 2 PbO + 4 NO2 + O2
Cu + O = Cu2O =>
2 Cu + O = Cu2O
NH3(g) = N2(g) + H2(g) =>
2 NH3(g) = N2(g) + 3 H2(g)
C4H6 + O2 = CO2 + H2O =>
2 C4H6 + 11 O2 = 8 CO2 + 6 H2O
NaOH + Al2S3O9 = Na2SO3 + AlO3H3 =>
6 NaOH + Al2S3O9 = 3 Na2SO3 + 2 AlO3H3
Bi(NO3)3 + SnCl2 + NaOH = Bi + Na2[Sn(OH)6] + NaCl + NaNO3 =>
2 Bi(NO3)3 + 3 SnCl2 + 18 NaOH = 2 Bi + 3 Na2[Sn(OH)6] + 6 NaCl + 6 NaNO3
CaO + P2O5 = Ca3P2O8 =>
3 CaO + P2O5 = Ca3P2O8
Fe + Cl2 = FeCl3 =>
2 Fe + 3 Cl2 = 2 FeCl3
Al2(SO4)3 + Ca(OH)2 = CaSO4 + Al(OH)3 =>
Al2(SO4)3 + 3 Ca(OH)2 = 3 CaSO4 + 2 Al(OH)3
I2 + HNO3 = HIO3 + NO2 + H2O =>
I2 + 10 HNO3 = 2 HIO3 + 10 NO2 + 4 H2O
ZnCl2 + H3PO4 = Zn3(PO4)2 + HCl =>
3 ZnCl2 + 2 H3PO4 = Zn3(PO4)2 + 6 HCl
Au2O3 = Au + O2 =>
2 Au2O3 = 4 Au + 3 O2
NH4OH + FeCl3 = FeO3H3 + NH4Cl =>
3 NH4OH + FeCl3 = FeO3H3 + 3 NH4Cl
Cr(OH)3 + NaClO + Na2CO3 = Na2CrO4 + NaCl + H2O + CO2 =>
2 Cr(OH)3 + 3 NaClO + 2 Na2CO3 = 2 Na2CrO4 + 3 NaCl + 3 H2O + 2 CO2
HBr + O2 = Br2 + H2O =>
4 HBr + O2 = 2 Br2 + 2 H2O
ZnCl2 + H3PO4 = Zn3(PO4)2 + HCl =>
3 ZnCl2 + 2 H3PO4 = Zn3(PO4)2 + 6 HCl
KMnO4 + KNO2 + H2O = KNO3 + KOH + MnO2 =>
2 KMnO4 + 3 KNO2 + H2O = 3 KNO3 + 2 KOH + 2 MnO2
Al(s) + O2 = Al2O3(s) =>
4 Al(s) + 3 O2 = 2 Al2O3(s)
NaCrO2 + Br2 + NaOH = Na2CrO4 + NaBr + H2O =>
2 NaCrO2 + 3 Br2 + 8 NaOH = 2 Na2CrO4 + 6 NaBr + 4 H2O
SiCl4 + H2O = H4SiO4 + HCl =>
SiCl4 + 4 H2O = H4SiO4 + 4 HCl
K3[Cr(OH)6] + H2SO4 = K2SO4 + Cr2(SO4)3 + H2O =>
2 K3[Cr(OH)6] + 6 H2SO4 = 3 K2SO4 + Cr2(SO4)3 + 12 H2O
Ca + AlCl3 = CaCl2 + Al =>
3 Ca + 2 AlCl3 = 3 CaCl2 + 2 Al
(NH4)2Fe(SO4)2(H2O)6 + H2C2O4 = FeC2O4 + H + SO4 + H2O + NH4 =>
(NH4)2Fe(SO4)2(H2O)6 + H2C2O4 = FeC2O4 + 2 H + 2 SO4 + 6 H2O + 2 NH4
Ca(NO3)2 = Ca(NO2)2 + O2 =>
Ca(NO3)2 = Ca(NO2)2 + O2
FeO4 + H2 = Fe + H2O =>
FeO4 + 4 H2 = Fe + 4 H2O
C2H5NH2 + HNO3 = C2H5NO3 + NH3 =>
C2H5NH2 + HNO3 = C2H5NO3 + NH3
K3Fe(C2O4)3*3H2O + KMnO4 + H2SO4 = CO2 + Fe(SO4)3 + MnSO4 + K2SO4 + H2O =>
5 K3Fe(C2O4)3*3H2O + 9 KMnO4 + 36 H2SO4 = 30 CO2 + 5 Fe(SO4)3 + 9 MnSO4 + 12 K2SO4 + 51 H2O
H3PO2 + KOH = KH2PO2 + H2O =>
H3PO2 + KOH = KH2PO2 + H2O
Al2O3 + C + N2 = AlN + CO =>
Al2O3 + 3 C + N2 = 2 AlN + 3 CO
Na + Cl2 = NaCl =>
2 Na + Cl2 = 2 NaCl
Cl2 + H2 = HCl =>
Cl2 + H2 = 2 HCl
Na + O2 = Na2O2 =>
2 Na + O2 = Na2O2
NO + NaOH = NaNO2 + H2O + N2O =>
4 NO + 2 NaOH = 2 NaNO2 + H2O + N2O
AgCl2 + HNo3 = Ag(No3)2 + HCl =>
AgCl2 + 2 HNo3 = Ag(No3)2 + 2 HCl
Zn + HCl = ZnCl + H2 =>
2 Zn + 2 HCl = 2 ZnCl + H2
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| Équations équilibrées la veille | Équations équilibrées le lendemain |
Équations équilibrées sur03/06/12
Équations équilibrées sur04/05/11
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