| Équations équilibrées la veille | Équations équilibrées le lendemain |
P4 + 4 NaOH + 2 H2O = 2 PH3 + 2 Na2HPO3
KClO3 + K2SO3 = KCl + K2SO4 =>
KClO3 + 3 K2SO3 = KCl + 3 K2SO4
HNO3 + Cu = Cu(NO3)2 + NO2 + H2O =>
4 HNO3 + Cu = Cu(NO3)2 + 2 NO2 + 2 H2O
Al2O3 + C + N2 = AlN + CO =>
Al2O3 + 3 C + N2 = 2 AlN + 3 CO
N2H4 = NH3 + N2 =>
3 N2H4 = 4 NH3 + N2
C8H18 + O2 = CO2 + H2O =>
2 C8H18 + 25 O2 = 16 CO2 + 18 H2O
CU + HNO3 = CU(NO3)2 + NO2 + H2O =>
CU + 4 HNO3 = CU(NO3)2 + 2 NO2 + 2 H2O
K2Cr2O7 + SnCl2 + HCl = CrCl3 + SnCl4 + KCl + H2O =>
K2Cr2O7 + 3 SnCl2 + 14 HCl = 2 CrCl3 + 3 SnCl4 + 2 KCl + 7 H2O
Zn(s) + HCl(aq) = H2(g) + ZnCl2(aq) =>
Zn(s) + 2 HCl(aq) = H2(g) + ZnCl2(aq)
HCl + SnCl2 + O3 = SnCl4 + H2O =>
6 HCl + 3 SnCl2 + O3 = 3 SnCl4 + 3 H2O
NH3 + H2SO4 = (NH4)2SO4 =>
2 NH3 + H2SO4 = (NH4)2SO4
C4H10 + O2 = CO2 + H2O =>
2 C4H10 + 13 O2 = 8 CO2 + 10 H2O
NH4OH = NH3 + H2O =>
NH4OH = NH3 + H2O
NaBr + Ca(OH)2 = CaBr2 + NaOH =>
2 NaBr + Ca(OH)2 = CaBr2 + 2 NaOH
HBr + Al(OH)3 = H2O + AlBr3 =>
3 HBr + Al(OH)3 = 3 H2O + AlBr3
Zn + Pb(NO3)2 = Zn(NO3)2 + Pb =>
Zn + Pb(NO3)2 = Zn(NO3)2 + Pb
Al(OH)3 + H2SO4 = Al2(SO4)3 + H2O =>
2 Al(OH)3 + 3 H2SO4 = Al2(SO4)3 + 6 H2O
FeS2 + O2 = Fe2O3 + SO2 =>
4 FeS2 + 11 O2 = 2 Fe2O3 + 8 SO2
NaN3 = Na + N2 =>
2 NaN3 = 2 Na + 3 N2
Na + O2 = Na2O =>
4 Na + O2 = 2 Na2O
NaOH + H3PO4 = Na3PO4 + H2O =>
3 NaOH + H3PO4 = Na3PO4 + 3 H2O
FeS + HCl = FeCl2 + H2S =>
FeS + 2 HCl = FeCl2 + H2S
Mg + O2 = MgO =>
2 Mg + O2 = 2 MgO
Fe2O3 + Ni(OH)2 = Fe(OH)3 + NiO =>
Fe2O3 + 3 Ni(OH)2 = 2 Fe(OH)3 + 3 NiO
Mg + HCl = MgCl + H2 =>
2 Mg + 2 HCl = 2 MgCl + H2
NaNO3 = NaNO2 + O2 =>
2 NaNO3 = 2 NaNO2 + O2
CS2(l) + Cl2(g) = CCl4(gl) + S2Cl2(g) =>
CS2(l) + 3 Cl2(g) = CCl4(gl) + S2Cl2(g)
CS2(l) + Cl2(g) = CCl4(l) + S2Cl2(l) =>
CS2(l) + 3 Cl2(g) = CCl4(l) + S2Cl2(l)
C2H6 + O2 = CO2 + H2O =>
2 C2H6 + 7 O2 = 4 CO2 + 6 H2O
FeCl3 + H2O = Fe2O3 + HCl =>
2 FeCl3 + 3 H2O = Fe2O3 + 6 HCl
Fe2O3 + Al = Fe + Al2O3 =>
Fe2O3 + 2 Al = 2 Fe + Al2O3
Li + CO2 + H2O = LiHCO3 + H2 =>
2 Li + 2 CO2 + 2 H2O = 2 LiHCO3 + H2
K2O + P4O10 = K3PO4 =>
6 K2O + P4O10 = 4 K3PO4
Ca(OH)2 + H3PO3 = H2O + Ca3(PO3)2 =>
3 Ca(OH)2 + 2 H3PO3 = 6 H2O + Ca3(PO3)2
C2H2 + O2 = CO2 + H2O =>
2 C2H2 + 5 O2 = 4 CO2 + 2 H2O
Al + CUSO4 = Al2(SO4)3 + CU =>
2 Al + 3 CUSO4 = Al2(SO4)3 + 3 CU
Fe(s) + H2O(g) = Fe3O4(s) + H2(g) =>
3 Fe(s) + 4 H2O(g) = Fe3O4(s) + 4 H2(g)
C9H20(nonano) + O2 = CO2 + H2O =>
C9H20(nonano) + 14 O2 = 9 CO2 + 10 H2O
HBr + NaOH = NaBr + H2O =>
HBr + NaOH = NaBr + H2O
NaBrO + NH3 = N2 + H2O + BrNa =>
3 NaBrO + 2 NH3 = N2 + 3 H2O + 3 BrNa
HCl + Na2CO3 = NaCl + H2O + CO2 =>
2 HCl + Na2CO3 = 2 NaCl + H2O + CO2
C2H6 + O2 = CO2 + H2O =>
2 C2H6 + 7 O2 = 4 CO2 + 6 H2O
Ni(aq) + NH3(aq) + H2O(l) = Ni(OH)2(s) + NH4(aq) =>
Ni(aq) + 2 NH3(aq) + 2 H2O(l) = Ni(OH)2(s) + 2 NH4(aq)
H2S + SO2 = S + H2O =>
2 H2S + SO2 = 3 S + 2 H2O
Mg(OH)2 + HCl = MgCl2 + H2O =>
Mg(OH)2 + 2 HCl = MgCl2 + 2 H2O
Na(s) + H2O(l) = NaOH(aq) + H2(g) =>
2 Na(s) + 2 H2O(l) = 2 NaOH(aq) + H2(g)
Ch3COOH + Ba(OH)2 = Ba(Ch3COO)2 + H2O =>
2 Ch3COOH + Ba(OH)2 = Ba(Ch3COO)2 + 2 H2O
Cu(s) + O2(g) = CuO(s) =>
2 Cu(s) + O2(g) = 2 CuO(s)
Cu(aq) + NH3(aq) + H2O(l) = Cu(OH)2(s) + NH4(aq) =>
Cu(aq) + 2 NH3(aq) + 2 H2O(l) = Cu(OH)2(s) + 2 NH4(aq)
HNO3 + NaOH = H2O + NaNO3 =>
HNO3 + NaOH = H2O + NaNO3
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| Équations équilibrées la veille | Équations équilibrées le lendemain |
Équations équilibrées sur06/03/17
Équations équilibrées sur07/03/16
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