| Équations équilibrées la veille | Équations équilibrées le lendemain |
Zn3(PO3)2 + 3 H2SO4 = 3 ZnSO4 + 2 H3PO3
Ba2{+} + O2{-} = BaO =>
Ba2{+} + O2{-} = 2 BaO
Al + Fe(NO3)3 = Al2NO3 + Fe =>
6 Al + Fe(NO3)3 = 3 Al2NO3 + Fe
MnCl2 + NaClO + NaOH = Na2MnO4 + NaCl + H2O =>
MnCl2 + 2 NaClO + 4 NaOH = Na2MnO4 + 4 NaCl + 2 H2O
ClO2 + HCl = Cl2 + H2O =>
2 ClO2 + 8 HCl = 5 Cl2 + 4 H2O
Ca(OH)2(aw) + HCl(aw) = CaCl2(aw) + H2O(l) =>
Ca(OH)2(aw) + 2 HCl(aw) = CaCl2(aw) + 2 H2O(l)
NH4 + AgCl = NH4Cl + Ag =>
NH4 + AgCl = NH4Cl + Ag
Ca(NO3)2 + FeCl3 = CaCl2 + Fe(NO3)3 =>
3 Ca(NO3)2 + 2 FeCl3 = 3 CaCl2 + 2 Fe(NO3)3
Cu + Sn(NO3)4 = Cu(NO3)3 + Sn =>
4 Cu + 3 Sn(NO3)4 = 4 Cu(NO3)3 + 3 Sn
CaO + H2O = Ca + H2O2 =>
CaO + H2O = Ca + H2O2
H2O + NaPO2 = NaH2PO2 + O =>
H2O + NaPO2 = NaH2PO2 + O
KCl2 + HNO3 + O2 = KNO3 + Cl2 + H2O =>
4 KCl2 + 4 HNO3 + O2 = 4 KNO3 + 4 Cl2 + 2 H2O
LiCl + Ba(NO3)2 = Li(NO3)2 + BaCl(s) =>
LiCl + Ba(NO3)2 = Li(NO3)2 + BaCl(s)
MnO2 + HCl = Cl2 + H2O + MnCl3 =>
2 MnO2 + 8 HCl = Cl2 + 4 H2O + 2 MnCl3
NH4Cl + Ca(OH)2 = H2O + NH3 + Ca(Cl)2 =>
2 NH4Cl + Ca(OH)2 = 2 H2O + 2 NH3 + Ca(Cl)2
KHSO3 + NaNO3 = KNO3 + NaHSO3 =>
KHSO3 + NaNO3 = KNO3 + NaHSO3
ZrOCl2 + Na2CO3 = ZrCO3 + O2 + NaCl =>
2 ZrOCl2 + 2 Na2CO3 = 2 ZrCO3 + O2 + 4 NaCl
CaOBa(OH)2 = Ca(OH)2BaO =>
CaOBa(OH)2 = Ca(OH)2BaO
FeO + NaNO3 + H2SO4 = Fe2(SO4)3 + N2O + Na2SO4 + H2O =>
8 FeO + 2 NaNO3 + 13 H2SO4 = 4 Fe2(SO4)3 + N2O + Na2SO4 + 13 H2O
NaCl + H2O2 = Cl + NaOH =>
2 NaCl + H2O2 = 2 Cl + 2 NaOH
CaOCl2 + CO2 + H2 = CaCO3 + CaCl2 + HClO =>
3 CaOCl2 + CO2 + H2 = CaCO3 + 2 CaCl2 + 2 HClO
H3CCSNH2 + H2O = H3CCOONH4 + H2S(g) =>
H3CCSNH2 + 2 H2O = H3CCOONH4 + H2S(g)
Sb + Cl = SbCl3 =>
Sb + 3 Cl = SbCl3
FeO + NaNO3 + H2SO4 = Fe2(SO4)3 + NO + H2O + Na2SO4 =>
6 FeO + 2 NaNO3 + 10 H2SO4 = 3 Fe2(SO4)3 + 2 NO + 10 H2O + Na2SO4
Al + KOH + H2O = K2[Al(OH)3] + H2 =>
2 Al + 4 KOH + 2 H2O = 2 K2[Al(OH)3] + H2
FeO + NaNO3 + H2SO4 = Fe2(SO4)3 + NO + H2O + Na2SO4 =>
6 FeO + 2 NaNO3 + 10 H2SO4 = 3 Fe2(SO4)3 + 2 NO + 10 H2O + Na2SO4
KMnO4 + C2O4Ca + H2SO4 = CO2 + K2SO4 + MnSO4 + CaSO4 + H2O =>
2 KMnO4 + 5 C2O4Ca + 8 H2SO4 = 10 CO2 + K2SO4 + 2 MnSO4 + 5 CaSO4 + 8 H2O
CH3COOH + KOH = H2O + KCH3COO =>
CH3COOH + KOH = H2O + KCH3COO
C2H4ClON + CH3NaS = C3H7NOS + NaCl =>
C2H4ClON + CH3NaS = C3H7NOS + NaCl
Al(s) + H{+}(aq) = Al{+3}(aq) + H2(g) =>
2 Al(s) + 6 H{+}(aq) = 2 Al{+3}(aq) + 3 H2(g)
C1H4O3 + O2 = CO2 + H2O =>
2 C1H4O3 + O2 = 2 CO2 + 4 H2O
NaHCO3 + HC1 = NaC1 + H2O + CO2 =>
NaHCO3 + HC1 = NaC1 + H2O + CO2
Al + MnO2 + NH4Cl = AlCl3 + Mn2O3 + NH3 + H2O =>
2 Al + 6 MnO2 + 6 NH4Cl = 2 AlCl3 + 3 Mn2O3 + 6 NH3 + 3 H2O
Al + K2Cr2O7 + KOH = K3AlO3 + KCr + H2O =>
14 Al + 3 K2Cr2O7 + 42 KOH = 14 K3AlO3 + 6 KCr + 21 H2O
H3VO4 + H{+} + Zn = V{2+} + H2O + Zn{2+} =>
2 H3VO4 + 10 H{+} + 3 Zn = 2 V{2+} + 8 H2O + 3 Zn{2+}
KMnO4 + HCl = Cl2Mn + ClK + H2O + Cl =>
KMnO4 + 8 HCl = Cl2Mn + ClK + 4 H2O + 5 Cl
NaHCO3(s) = Na2CO3(s) + CO2(g) + H2O =>
2 NaHCO3(s) = Na2CO3(s) + CO2(g) + H2O
PBSO4 = PB + SO4 =>
PBSO4 = PB + SO4
XNa3PO4 + XKOH = XNaOH + XK3PO4 =>
XNa3PO4 + 3 XKOH = 3 XNaOH + XK3PO4
Mg(CH3COO)2 + K3PO4 = MgPO4 + K3(CH3COO)2 =>
Mg(CH3COO)2 + K3PO4 = MgPO4 + K3(CH3COO)2
Ca(H2PO4)2 + H2CO3 = CaCO3 + H3PO4 =>
Ca(H2PO4)2 + H2CO3 = CaCO3 + 2 H3PO4
KI + Na2Cr2O7 + HCl = I2 + CrCl3 + NaCl + KCl + H2O =>
6 KI + Na2Cr2O7 + 14 HCl = 3 I2 + 2 CrCl3 + 2 NaCl + 6 KCl + 7 H2O
Cl2(g) + H2 = HCl =>
Cl2(g) + H2 = 2 HCl
Na2SO4 + HNO3 = Na(NO3)2 + H2O + SO2 =>
Na2SO4 + 4 HNO3 = 2 Na(NO3)2 + 2 H2O + SO2
Mg + CuNO3 = Cu + Mg(NO3) =>
Mg + CuNO3 = Cu + Mg(NO3)
FeO + NaNO3 + H2SO4 = Fe2(SO4)3 + NO + H2O + Na2SO4 =>
6 FeO + 2 NaNO3 + 10 H2SO4 = 3 Fe2(SO4)3 + 2 NO + 10 H2O + Na2SO4
Zn + S = ZnS =>
Zn + S = ZnS
FeO + NaNO3 + H2SO4 = Fe2(SO4)3 + NO + H2O + Na2SO4 =>
6 FeO + 2 NaNO3 + 10 H2SO4 = 3 Fe2(SO4)3 + 2 NO + 10 H2O + Na2SO4
CU(OH)2 + C6H12O6 = CU2O + C6H12O7 + H2O =>
12 CU(OH)2 + 5 C6H12O6 = 6 CU2O + 6 C6H12O7 + 6 H2O
Cu + HNO3 = Cu(NO3)2 + NO2 + H2O =>
Cu + 4 HNO3 = Cu(NO3)2 + 2 NO2 + 2 H2O
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