| Équations équilibrées la veille | Équations équilibrées le lendemain |
3 S + 2 O3 = 3 SO2
P4 + Cl2 = PCl3 =>
P4 + 6 Cl2 = 4 PCl3
IO + Se2O3 = I + SeO4 =>
5 IO + Se2O3 = 5 I + 2 SeO4
NH4NO2 = N2 + H2O =>
NH4NO2 = N2 + 2 H2O
CuO + NH4OH + NH4ClO4 = Cu(NH3)4(ClO4)2 + H2O =>
CuO + 2 NH4OH + 2 NH4ClO4 = Cu(NH3)4(ClO4)2 + 3 H2O
As2O3 + KI + HCl = AsI3 + KCl + H2O =>
As2O3 + 6 KI + 6 HCl = 2 AsI3 + 6 KCl + 3 H2O
Na2SO3 + KMnO4 + H2O = MnO2 + Na2SO4 + KOH =>
3 Na2SO3 + 2 KMnO4 + H2O = 2 MnO2 + 3 Na2SO4 + 2 KOH
VO{2+} + MNO4{-} + H2O = VO2{+} + MN{2+} + H{+} =>
5 VO{2+} + MNO4{-} + H2O = 5 VO2{+} + MN{2+} + 2 H{+}
BACl2(aq) + H2SO4(aq) = BASO4(s) + HCl(aq) =>
BACl2(aq) + H2SO4(aq) = BASO4(s) + 2 HCl(aq)
PQ + RS = PS + RQ =>
PQ + RS = PS + RQ
Fe + H2O = Fe3O4 + H2 =>
3 Fe + 4 H2O = Fe3O4 + 4 H2
Li + H2O = LiOH + H2 =>
2 Li + 2 H2O = 2 LiOH + H2
NaBH4 + BF3 = NaBF4 + B2H6 =>
3 NaBH4 + 4 BF3 = 3 NaBF4 + 2 B2H6
Na2SO3 + KMnO4 + H2SO4 = MnSO4 + Na2SO4 + K2SO4 + H2O =>
5 Na2SO3 + 2 KMnO4 + 3 H2SO4 = 2 MnSO4 + 5 Na2SO4 + K2SO4 + 3 H2O
NH4Cl + NaOH = NH3 + H2O + NaCl =>
NH4Cl + NaOH = NH3 + H2O + NaCl
MG(OH)2 + HCl = MGCl2 + H2O =>
MG(OH)2 + 2 HCl = MGCl2 + 2 H2O
Ca3P2 + H2O = Ca[OH]2 + PH3 =>
Ca3P2 + 6 H2O = 3 Ca[OH]2 + 2 PH3
C3H8 + O2 = H2O + CO2 =>
C3H8 + 5 O2 = 4 H2O + 3 CO2
Pb(NO3)2(s) = PbO(s) + NO2(g) + O2(g) =>
2 Pb(NO3)2(s) = 2 PbO(s) + 4 NO2(g) + O2(g)
Cu2S + O2 = Cu2O + SO2 =>
2 Cu2S + 3 O2 = 2 Cu2O + 2 SO2
Fe + O2 = Fe2O3 =>
4 Fe + 3 O2 = 2 Fe2O3
Fe + HS = Fe2S3 + H2 =>
4 Fe + 6 HS = 2 Fe2S3 + 3 H2
NH4CaPO4*7H2O = H2O + NH3 + Ca2P2O7 =>
2 NH4CaPO4*7H2O = 15 H2O + 2 NH3 + Ca2P2O7
Al + O2 = Al2O3 =>
4 Al + 3 O2 = 2 Al2O3
Zn + K2Cr2O7 + H2SO4 = ZnSO4 + Cr2(SO4)3 + K2SO4 + H2O =>
3 Zn + K2Cr2O7 + 7 H2SO4 = 3 ZnSO4 + Cr2(SO4)3 + K2SO4 + 7 H2O
Cl + HI = HCl + I =>
Cl + HI = HCl + I
Cl + HI = HCl + I2 =>
2 Cl + 2 HI = 2 HCl + I2
CaO + H2O = Ca(OH)2 =>
CaO + H2O = Ca(OH)2
Pb(NO3)2 + Na2S = PbS + NaNO3 =>
Pb(NO3)2 + Na2S = PbS + 2 NaNO3
KMNO4 + FeSO4 + H2SO4 = K2SO4 + MNSO4 + Fe2(SO4)3 + H2O =>
2 KMNO4 + 10 FeSO4 + 8 H2SO4 = K2SO4 + 2 MNSO4 + 5 Fe2(SO4)3 + 8 H2O
C3H8 + O2 = CO2 + H2O =>
C3H8 + 5 O2 = 3 CO2 + 4 H2O
NH3 + F2 = NH4F + NF3 =>
4 NH3 + 3 F2 = 3 NH4F + NF3
Na + H2O = H2 + NaOH =>
2 Na + 2 H2O = H2 + 2 NaOH
K2Cr2O7 + HCl = KCl + CrCl3 + H2O + Cl =>
K2Cr2O7 + 14 HCl = 2 KCl + 2 CrCl3 + 7 H2O + 6 Cl
Zn(s) + AgNO3(aq) = Zn(NO3)2(aq) + Ag(s) =>
Zn(s) + 2 AgNO3(aq) = Zn(NO3)2(aq) + 2 Ag(s)
K2CrO4 + HCl = KCl + H2O + Cl2 + CrCl3 =>
2 K2CrO4 + 16 HCl = 4 KCl + 8 H2O + 3 Cl2 + 2 CrCl3
Pb(NO3)2 = PbO + NO2 + O2 =>
2 Pb(NO3)2 = 2 PbO + 4 NO2 + O2
K2S + Ca(OH)2 = KOH + CaS =>
K2S + Ca(OH)2 = 2 KOH + CaS
MoS2 + O2 = MoO3 + SO2 =>
2 MoS2 + 7 O2 = 2 MoO3 + 4 SO2
K2Cr2O7 + FeSO4 + H2SO4 = K2SO4 + Cr2O3 + Fe2(SO4)3 + H2O =>
K2Cr2O7 + 6 FeSO4 + 4 H2SO4 = K2SO4 + Cr2O3 + 3 Fe2(SO4)3 + 4 H2O
CuO + NH4OH + NH4NO3 = Cu(NH3)4(NO3)2 + H2O =>
CuO + 2 NH4OH + 2 NH4NO3 = Cu(NH3)4(NO3)2 + 3 H2O
Pb(NO3)2(s) = PbO(s) + NO2(g) + O2(g) =>
2 Pb(NO3)2(s) = 2 PbO(s) + 4 NO2(g) + O2(g)
Al + HCl = AlCl3 + H2 =>
2 Al + 6 HCl = 2 AlCl3 + 3 H2
Cl2 + Al2S3 = AlCl3 + S =>
3 Cl2 + Al2S3 = 2 AlCl3 + 3 S
Cr(OH)3 + Na2O2 = Na2CrO4 + H2O + Na(OH) =>
2 Cr(OH)3 + 3 Na2O2 = 2 Na2CrO4 + 2 H2O + 2 Na(OH)
FeSO4 = Fe2O3 + SO2 + SO3 =>
2 FeSO4 = Fe2O3 + SO2 + SO3
AlCl3 + Sn(NO3)2 = SnCl2 + Al(NO3)3 =>
2 AlCl3 + 3 Sn(NO3)2 = 3 SnCl2 + 2 Al(NO3)3
C + O2 = CO2 =>
C + O2 = CO2
Na + Cl2 = NaCl =>
2 Na + Cl2 = 2 NaCl
NH4CaPO4*7H2O = H2O + NH3 + Ca2P2O7 =>
2 NH4CaPO4*7H2O = 15 H2O + 2 NH3 + Ca2P2O7
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| Équations équilibrées la veille | Équations équilibrées le lendemain |
Équations équilibrées sur05/06/16
Équations équilibrées sur06/05/15
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