| Équations équilibrées la veille | Équations équilibrées le lendemain |
3 Zn + Sn2O3 = 3 ZnO + 2 Sn
Mg(OH)2 + HNO3 = H2O + Mg(NO3)2 =>
Mg(OH)2 + 2 HNO3 = 2 H2O + Mg(NO3)2
C6H12 + KMnO4 + H2SO4 = C3H6O + K2SO4 + MnSO4 + H2O =>
5 C6H12 + 4 KMnO4 + 6 H2SO4 = 10 C3H6O + 2 K2SO4 + 4 MnSO4 + 6 H2O
NH4 + HNO3 = H + N2O3 =>
NH4 + HNO3 = 5 H + N2O3
CuNO3 + Na2S = CuS + Na2NO3 =>
CuNO3 + Na2S = CuS + Na2NO3
C14H2O4 + O2 = CO2 + H2O =>
2 C14H2O4 + 25 O2 = 28 CO2 + 2 H2O
KNO3 + HF = KF + HNO3 =>
KNO3 + HF = KF + HNO3
ZnHClO = ZnClOH =>
ZnHClO = ZnClOH
(NH4)2SO4 + Ca(HCO3)2 = CaSO4 + NH4HCO3 =>
(NH4)2SO4 + Ca(HCO3)2 = CaSO4 + 2 NH4HCO3
Ba(NO3)2(aq) + NaOH(aq) = Ba(OH)2(aq) + Na(NO3) =>
Ba(NO3)2(aq) + 2 NaOH(aq) = Ba(OH)2(aq) + 2 Na(NO3)
CaCl2F2 = CaF2Cl2 =>
CaCl2F2 = CaF2Cl2
Cu(OH)2 + HCl = Cu(OH)Cl + H2O =>
Cu(OH)2 + HCl = Cu(OH)Cl + H2O
H2O + H3AsO3 + SO4 = H3AsO4 + H2SO3 =>
H2O + 2 H3AsO3 + SO4 = 2 H3AsO4 + H2SO3
Na2S + Zn + HCl = NaCl + ZnS + H2 =>
Na2S + Zn + 2 HCl = 2 NaCl + ZnS + H2
Fe(NO3)3 + H3PO4 = FePO4 + HNO3 =>
Fe(NO3)3 + H3PO4 = FePO4 + 3 HNO3
P5O3 + H2O = H3PO3 + H2 =>
2 P5O3 + 24 H2O = 10 H3PO3 + 9 H2
Mn(O2) + (H2)S(O4) = Mn(SO4)2 + (H2)O =>
Mn(O2) + 2(H2)S(O4) = Mn(SO4)2 + 2(H2)O
Cu(SO4) + KI = CuI + I2 + K2(SO4) =>
2 Cu(SO4) + 4 KI = 2 CuI + I2 + 2 K2(SO4)
C6H12O7 + H2SO4 = C12H22O11 + SO6 + H2O =>
6 C6H12O7 + 2 H2SO4 = 3 C12H22O11 + 2 SO6 + 5 H2O
CoCl2 + O2 = CoO + Cl2 =>
2 CoCl2 + O2 = 2 CoO + 2 Cl2
CuO + H3O + H2O = [Cu(H2O)6] =>
CuO + 2 H3O + 3 H2O = [Cu(H2O)6]
Be + Cu(NO3)2 = Be(NO3)2 + Cu =>
Be + Cu(NO3)2 = Be(NO3)2 + Cu
Na0H + HCl = H0H + NaCl =>
Na0H + HCl = H0H + NaCl
Al + KSCN = K + AlS + C + N =>
Al + KSCN = K + AlS + C + N
HBrO3 + NO2 + H2O = HNO3 + Br2 =>
2 HBrO3 + 10 NO2 + 4 H2O = 10 HNO3 + Br2
C13H8O6 + H2O = C2H6 + OH =>
2 C13H8O6 + 74 H2O = 13 C2H6 + 86 OH
Na2B4O7*10H2O + HCl = NaCl + H3BO3 + H2O =>
Na2B4O7*10H2O + 2 HCl = 2 NaCl + 4 H3BO3 + 5 H2O
I{-} + SO4{-2} + H{+} = H2S + I2 + H2O =>
8 I{-} + SO4{-2} + 10 H{+} = H2S + 4 I2 + 4 H2O
HCl + Sn = H2 + SnCl4 =>
4 HCl + Sn = 2 H2 + SnCl4
KClO3 = KCl + O2 =>
2 KClO3 = 2 KCl + 3 O2
C6H12O6 + CON2H4 + H2SO4 = C9H11NO5S + H2O + CO2 =>
10 C6H12O6 + 3 CON2H4 + 6 H2SO4 = 6 C9H11NO5S + 39 H2O + 9 CO2
HClO4 + Mn = Mn(ClO4)2 + H2 =>
2 HClO4 + Mn = Mn(ClO4)2 + H2
NO2 + KMnO4 = KMnNO2 + O =>
NO2 + KMnO4 = KMnNO2 + 4 O
C4H6CaO4 + Ca(OH)2 = C4H6CaO4(OH)2 + Ca =>
C4H6CaO4 + Ca(OH)2 = C4H6CaO4(OH)2 + Ca
Mg(OH)2 + CaHPO4 = Ca(OH)2 + HMgO4P =>
Mg(OH)2 + CaHPO4 = Ca(OH)2 + HMgO4P
KNO3 + C31H64 = K2O + N2 + CO2 + H2O =>
188 KNO3 + 5 C31H64 = 94 K2O + 94 N2 + 155 CO2 + 160 H2O
C6H12O6 + O2 = CO2 + H2O =>
C6H12O6 + 6 O2 = 6 CO2 + 6 H2O
Al + H2SO4 = Al2(SO4)3 + H2 =>
2 Al + 3 H2SO4 = Al2(SO4)3 + 3 H2
Zn(g) + AlCl3(aq) = Al(s) + ZnCl2 =>
3 Zn(g) + 2 AlCl3(aq) = 2 Al(s) + 3 ZnCl2
Cr + H2SO4 + H2O = CrSO46H2O + H2 =>
Cr + H2SO4 + 43 H2O = CrSO46H2O + 43 H2
Na2B4O7 + Al = Al2O3 + B + Na2O =>
Na2B4O7 + 4 Al = 2 Al2O3 + 4 B + Na2O
KNO3 = KNO2 + O2 =>
2 KNO3 = 2 KNO2 + O2
AgNO3 + NaHCO3 = Ag(HCO3) + NaNO3 =>
AgNO3 + NaHCO3 = Ag(HCO3) + NaNO3
NaCH3COO + H2O = NaCH3COO*3H2O =>
NaCH3COO + 3 H2O = NaCH3COO*3H2O
HCOH + Cu(OH)2 = Cu2O + CO2 + H2O =>
HCOH + 4 Cu(OH)2 = 2 Cu2O + CO2 + 5 H2O
KI(ac) + Cl2(ac) = KCl + I2(ac) =>
2 KI(ac) + Cl2(ac) = 2 KCl + I2(ac)
KHSO3 + KOH = K2SO3 + H2O =>
KHSO3 + KOH = K2SO3 + H2O
FeS + O2 = Fe2SO4 + SO3 =>
4 FeS + 7 O2 = 2 Fe2SO4 + 2 SO3
AsS5 + HNO3 + H2O = H3AsO4 + S + NO =>
3 AsS5 + 5 HNO3 + 2 H2O = 3 H3AsO4 + 15 S + 5 NO
CH3OH4 + O2 = CO2 + H2O =>
4 CH3OH4 + 9 O2 = 4 CO2 + 14 H2O
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