| Équations équilibrées la veille | Équations équilibrées le lendemain |
5 Fe + 12 HNO3 = 5 Fe(NO3)2 + N2 + 6 H2O
KClO3 = KCl + KClO4 =>
4 KClO3 = KCl + 3 KClO4
H2 + Br2 = HBr2 =>
H2 + 2 Br2 = 2 HBr2
FeCl3 + Ca(OH)2 = Fe(OH)3 + CaCl2 =>
2 FeCl3 + 3 Ca(OH)2 = 2 Fe(OH)3 + 3 CaCl2
H3PO4 + MgO = Mg(H2PO4)2 + H2O =>
2 H3PO4 + MgO = Mg(H2PO4)2 + H2O
C10H16 + Cl2 = C + HCl =>
C10H16 + 8 Cl2 = 10 C + 16 HCl
H{+} + Cu2O = Cu + Cu{2+} + H2O =>
2 H{+} + Cu2O = Cu + Cu{2+} + H2O
FeSO4 + K2Cr2O7 + H2SO4 = Cr2(SO4)3 + Fe2(SO4)3 + K2SO4 + H2O =>
6 FeSO4 + K2Cr2O7 + 7 H2SO4 = Cr2(SO4)3 + 3 Fe2(SO4)3 + K2SO4 + 7 H2O
Cr2O72{-} + SO32{-} + H{+} = Cr3{+} + SO42{-} + H2O =>
60 Cr2O72{-} + 427 SO32{-} + 100 H{+} = 40 Cr3{+} + 427 SO42{-} + 50 H2O
Na2CO3 + HNO3 = NaNO3 + CO2 + H2O =>
Na2CO3 + 2 HNO3 = 2 NaNO3 + CO2 + H2O
CH4 + O2 = CO2 + H2O =>
CH4 + 2 O2 = CO2 + 2 H2O
Cr2O7{2-} + SO3{2-} + H{+} = Cr{3+} + SO4{2-} + H2O =>
Cr2O7{2-} + 3 SO3{2-} + 8 H{+} = 2 Cr{3+} + 3 SO4{2-} + 4 H2O
CH4 + O2 = CO2 + H2O =>
CH4 + 2 O2 = CO2 + 2 H2O
H2SO4 + Ba(OH)2 = BaSO4 + H2O =>
H2SO4 + Ba(OH)2 = BaSO4 + 2 H2O
N2 + H2 = NH3 =>
N2 + 3 H2 = 2 NH3
C10H16 + Cl2 = C + HCl =>
C10H16 + 8 Cl2 = 10 C + 16 HCl
SO32{-} + H{+} + Cu = S2O42{-} + Cu2O + H2O =>
4 SO32{-} + 2 H{+} + 86 Cu = 2 S2O42{-} + 43 Cu2O + H2O
BaCO3(s) + HCl(aq) = BaCl2(aq) + H2O(l) + CO2(g) =>
BaCO3(s) + 2 HCl(aq) = BaCl2(aq) + H2O(l) + CO2(g)
SO3{2-} + H{+} + Cu = S2O4{2-} + Cu2O + H2O =>
2 SO3{2-} + 2 H{+} + 2 Cu = S2O4{2-} + Cu2O + H2O
K2O + H2O = KOH =>
K2O + H2O = 2 KOH
NH4NO3 = N2O + H2O =>
NH4NO3 = N2O + 2 H2O
Ag + HNO3 = AgNO3 + H2O + NO =>
3 Ag + 4 HNO3 = 3 AgNO3 + 2 H2O + NO
AsO33{-} + I2 + H2O = AsO43{-} + I{-} + H{+} =>
AsO33{-} + 10 I2 + 10 H2O = AsO43{-} + 20 I{-} + 20 H{+}
Zn + Cl = ZnCl3 =>
Zn + 3 Cl = ZnCl3
H2SO4 + Ba(OH)2 = BaSO4 + H2O =>
H2SO4 + Ba(OH)2 = BaSO4 + 2 H2O
Na + O2 = Na2O =>
4 Na + O2 = 2 Na2O
Mg + H2O = MgOH + H2 =>
2 Mg + 2 H2O = 2 MgOH + H2
CO + O2 = CO2 =>
2 CO + O2 = 2 CO2
H2 + O2 = H2O =>
2 H2 + O2 = 2 H2O
AsO3{3-} + I2 + H2O = AsO4{3-} + I{-} + H{+} =>
AsO3{3-} + I2 + H2O = AsO4{3-} + 2 I{-} + 2 H{+}
K + MnO4 = KMnO4 =>
K + MnO4 = KMnO4
NO3 + H2O = HNO3 + O2 =>
4 NO3 + 2 H2O = 4 HNO3 + O2
H2O2 = H2O + O2 =>
2 H2O2 = 2 H2O + O2
P2O5 + KOH = K3PO4 + H2O =>
P2O5 + 6 KOH = 2 K3PO4 + 3 H2O
NaOH + Cl2 = NaClO3 + H2O + NaCl =>
6 NaOH + 3 Cl2 = NaClO3 + 3 H2O + 5 NaCl
PCl3 + Cl2 = PCl5 =>
PCl3 + Cl2 = PCl5
N2 + H2 = NH3 =>
N2 + 3 H2 = 2 NH3
K + Cr2O7 = K2Cr2O7 =>
2 K + Cr2O7 = K2Cr2O7
Fe + HNO3 = N2O + Fe(NO3)3 + H2O =>
8 Fe + 30 HNO3 = 3 N2O + 8 Fe(NO3)3 + 15 H2O
Al2O3 + NaOH + HF = Na3AlF6 + H2O =>
Al2O3 + 6 NaOH + 12 HF = 2 Na3AlF6 + 9 H2O
N2O5 + H2O = HNO3 =>
N2O5 + H2O = 2 HNO3
Zn + H2SO4 = H2S + ZnSO4 + H2O =>
4 Zn + 5 H2SO4 = H2S + 4 ZnSO4 + 4 H2O
CaCO3 + HCl = H2CO3 + CaCl2 =>
CaCO3 + 2 HCl = H2CO3 + CaCl2
CH3CH3 + O2 = CO2 + H2O =>
2 CH3CH3 + 7 O2 = 4 CO2 + 6 H2O
Mg + H2O = Mg(OH)2 + H2 =>
Mg + 2 H2O = Mg(OH)2 + H2
CH3CO2H(aq) + Ni(OH)2(s) = Ni(CH3CO2)2(aq) + H2O(l) =>
2 CH3CO2H(aq) + Ni(OH)2(s) = Ni(CH3CO2)2(aq) + 2 H2O(l)
C3H10O2 + O2 = CO2 + H2O =>
2 C3H10O2 + 9 O2 = 6 CO2 + 10 H2O
Fe + Br2 = FeBr3 =>
2 Fe + 3 Br2 = 2 FeBr3
SO2 + O2 + H2O = H2SO4 =>
2 SO2 + O2 + 2 H2O = 2 H2SO4
C3H8 + O2 = CO2 + H2O =>
C3H8 + 5 O2 = 3 CO2 + 4 H2O
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| Équations équilibrées la veille | Équations équilibrées le lendemain |
Équations équilibrées sur08/09/13
Équations équilibrées sur09/08/12
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