| Équations équilibrées la veille | Équations équilibrées le lendemain |
2 Al(s) + 3 CuSO4(aq) = 3 Cu(s) + Al2(SO4)3(aq)
C2H5OH + O2 = CO2 + H2O =>
C2H5OH + 3 O2 = 2 CO2 + 3 H2O
Zn3X2 + H2O = Zn{2+} + OH{-} + XH3 =>
Zn3X2 + 6 H2O = 3 Zn{2+} + 6 OH{-} + 2 XH3
MgCO3 + NaOH = Mg(OH)2 + Na2CO3 =>
MgCO3 + 2 NaOH = Mg(OH)2 + Na2CO3
CaO + C = CaC2 + CO2 =>
2 CaO + 5 C = 2 CaC2 + CO2
ClO3{-} + H{+} + e = HClO + H2O =>
ClO3{-} + 5 H{+} + 4e = HClO + 2 H2O
Pb(NO3)2(aq) + NaCl(aq) = PbCl2(s) + NaNO3(aq) =>
Pb(NO3)2(aq) + 2 NaCl(aq) = PbCl2(s) + 2 NaNO3(aq)
MoS2 + O2 = MoO3 + SO2 =>
2 MoS2 + 7 O2 = 2 MoO3 + 4 SO2
Al(s) + HCl(aq) = AlCl3(aq) + H2(g) =>
2 Al(s) + 6 HCl(aq) = 2 AlCl3(aq) + 3 H2(g)
FeCO3 + H2CO3 = Fe(HCO3)2 =>
FeCO3 + H2CO3 = Fe(HCO3)2
NaNO3 = NaNO2 + O2 =>
2 NaNO3 = 2 NaNO2 + O2
C8H18 + O2 = CO2 + H2O =>
2 C8H18 + 25 O2 = 16 CO2 + 18 H2O
BaCO3 + HNO3 = Ba(NO3)2 + CO2 + H2O =>
BaCO3 + 2 HNO3 = Ba(NO3)2 + CO2 + H2O
C2Cl5H = C2Cl4 + HCl =>
C2Cl5H = C2Cl4 + HCl
Zn(s) + H2SO4(aq) = ZnSO4(aq) + H2(g) =>
Zn(s) + H2SO4(aq) = ZnSO4(aq) + H2(g)
H2SO4 + NaOH = Na2SO4 + H2O =>
H2SO4 + 2 NaOH = Na2SO4 + 2 H2O
Mn(OH)2 + HNO3 = Mn(NO3)2 + H2O =>
Mn(OH)2 + 2 HNO3 = Mn(NO3)2 + 2 H2O
Al(s) + H2SO4(aq) = Al(SO4)3(aq) + H2(g) =>
Al(s) + 3 H2SO4(aq) = Al(SO4)3(aq) + 3 H2(g)
K2SO4(aq) + BaCl2(aq) = BaSO4(s) + KCl(aq) =>
K2SO4(aq) + BaCl2(aq) = BaSO4(s) + 2 KCl(aq)
CaCO3(s) = CaO(s) + CO2(g) =>
CaCO3(s) = CaO(s) + CO2(g)
CaCO3 + HCl = CO2 + CaCl2 + H2O =>
CaCO3 + 2 HCl = CO2 + CaCl2 + H2O
Sc(NO3)3 + NaOH = Sc(OH)3 + NaNO3 =>
Sc(NO3)3 + 3 NaOH = Sc(OH)3 + 3 NaNO3
C17H19NO3 + O2 = CO2 + H2O + N2O4 =>
4 C17H19NO3 + 85 O2 = 68 CO2 + 38 H2O + 2 N2O4
C17H19NO3 + O2 = CO2 + H2O + NO2 =>
4 C17H19NO3 + 85 O2 = 68 CO2 + 38 H2O + 4 NO2
C2Cl3H + Cl2 = C2Cl5H =>
C2Cl3H + Cl2 = C2Cl5H
NHO3 + CaCO3 = H2O + CO2 + Ca(NO3)2 =>
2 NHO3 + CaCO3 = H2O + CO2 + Ca(NO3)2
C2Cl2H4 = C2ClH3 + HCl =>
C2Cl2H4 = C2ClH3 + HCl
MgO + K = MgK + O =>
MgO + K = MgK + O
HCN + H = CH3NH2 =>
HCN + 4 H = CH3NH2
HCN + H2 = CH3NH2 =>
HCN + 2 H2 = CH3NH2
MgO + K = MgK + O =>
MgO + K = MgK + O
C6H12O6 + O2 = CO2 + H2O =>
C6H12O6 + 6 O2 = 6 CO2 + 6 H2O
N2H5 + H2O2 = N2 + H2O =>
2 N2H5 + 5 H2O2 = 2 N2 + 10 H2O
HCl + KOH = KCl + H2O =>
HCl + KOH = KCl + H2O
Al + O2 = AlO =>
2 Al + O2 = 2 AlO
Al(OH)3 + H2SO4 = Al2(SO4)3 + H2O =>
2 Al(OH)3 + 3 H2SO4 = Al2(SO4)3 + 6 H2O
Fe + Cl2 = FeCl2 =>
Fe + Cl2 = FeCl2
Fe + Cl2 = FeCl3 =>
2 Fe + 3 Cl2 = 2 FeCl3
Ca3(PO3)2 = P2 + CaO + Ca3(PO4)2 =>
5 Ca3(PO3)2 = 2 P2 + 6 CaO + 3 Ca3(PO4)2
HCl + NaOH = NaCl + H2O =>
HCl + NaOH = NaCl + H2O
H2SO4 + NaOH = Na2SO4 + H2O =>
H2SO4 + 2 NaOH = Na2SO4 + 2 H2O
ZnS + O2 = Zn4O + SO2 =>
8 ZnS + 9 O2 = 2 Zn4O + 8 SO2
Al(NO3)3 + H2SO4 = HNO3 + Al2(SO4)3 =>
2 Al(NO3)3 + 3 H2SO4 = 6 HNO3 + Al2(SO4)3
Ba(OH)2 + CO2 = BaCO3 + H2O =>
Ba(OH)2 + CO2 = BaCO3 + H2O
ZnS + O2 = ZnO + SO4 =>
2 ZnS + 5 O2 = 2 ZnO + 2 SO4
ZnS + O2 = ZnO + SO2 =>
2 ZnS + 3 O2 = 2 ZnO + 2 SO2
COOHCHCHCOOH + NaOH = COOHCHCHCOO{-} + Na{+} + H2O =>
COOHCHCHCOOH + NaOH = COOHCHCHCOO{-} + Na{+} + H2O
COOHCHCHCOO{-} + NaOH = COOCHCHCOO{-2} + Na{+} + H2O =>
COOHCHCHCOO{-} + NaOH = COOCHCHCOO{-2} + Na{+} + H2O
C2H2 + O2 = CO2 + H2O =>
2 C2H2 + 5 O2 = 4 CO2 + 2 H2O
CaCO3 = CaO + CO2 =>
CaCO3 = CaO + CO2
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| Équations équilibrées la veille | Équations équilibrées le lendemain |
Équations équilibrées sur03/12/08
Équations équilibrées sur04/11/07
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