| Équations équilibrées la veille | Équations équilibrées le lendemain |
2 CaO + 3 Co2 = 2 CaCo3 + O2
Al + K2Cr2O7 + H2SO4 = Al2(SO4)3 + Cr2(SO4)3 + K2SO4 + H2O =>
2 Al + K2Cr2O7 + 7 H2SO4 = Al2(SO4)3 + Cr2(SO4)3 + K2SO4 + 7 H2O
H2 + Br2 = HBr =>
H2 + Br2 = 2 HBr
FeO(s) + O2(g) = Fe2O3(s) =>
4 FeO(s) + O2(g) = 2 Fe2O3(s)
CaCO3 + H3PO4 = Ca3(PO4)2 + H2CO3 =>
3 CaCO3 + 2 H3PO4 = Ca3(PO4)2 + 3 H2CO3
NO(g) + O2(g) = NO2(g) =>
2 NO(g) + O2(g) = 2 NO2(g)
NaHCO3 + CH3COOH = NaCH3COO + H2O + CO2 =>
NaHCO3 + CH3COOH = NaCH3COO + H2O + CO2
Cr2O7{-2} + H{+} + {-} = Cr{+2} + H2O =>
Cr2O7{-2} + 14 H{+} + 8e = 2 Cr{+2} + 7 H2O
As2S3 + HNO3 = H3AsO4 + NO2 + SO2 + H2O =>
As2S3 + 22 HNO3 = 2 H3AsO4 + 22 NO2 + 3 SO2 + 8 H2O
Fe3O4 + Al = Fe + Al2O3 =>
3 Fe3O4 + 8 Al = 9 Fe + 4 Al2O3
CuCO3*Cu(OH)2 + C = Cu + CO2 + H2O =>
CuCO3*Cu(OH)2 + C = 2 Cu + 2 CO2 + H2O
C2H4(g) + H2(g) = C2H6(g) =>
C2H4(g) + H2(g) = C2H6(g)
P2O5 + Na2O = Na3PO4 =>
P2O5 + 3 Na2O = 2 Na3PO4
Ba(s) + S8(s) = BaS(s) =>
8 Ba(s) + S8(s) = 8 BaS(s)
C2H2 + O2 = CO2 + H2O =>
2 C2H2 + 5 O2 = 4 CO2 + 2 H2O
P + O2 = P2O5 =>
4 P + 5 O2 = 2 P2O5
Fe(OH)2 + NaNO3 + H2O = Fe(OH)3 + NaNO2 =>
2 Fe(OH)2 + NaNO3 + H2O = 2 Fe(OH)3 + NaNO2
CUSO4(ac) + NH3(ac) = [CU(NH3)4]SO4(ac) =>
CUSO4(ac) + 4 NH3(ac) = [CU(NH3)4]SO4(ac)
K + H2O = KOH + H2 =>
2 K + 2 H2O = 2 KOH + H2
C2H2 + O2 = CO + H2O =>
2 C2H2 + 3 O2 = 4 CO + 2 H2O
Cr + H2O2 + NaOH = Na2CrO4 + H2O =>
Cr + 3 H2O2 + 2 NaOH = Na2CrO4 + 4 H2O
Cs(s) + N2(g) = Cs3N(s) =>
6 Cs(s) + N2(g) = 2 Cs3N(s)
MnO2 + HBr = MnBr2 + Br2 + H2O =>
MnO2 + 4 HBr = MnBr2 + Br2 + 2 H2O
C6H6CH3 + KMnO4 + H2SO4 = C6H6COOH + K2SO4 + MnSO4 + H2O =>
5 C6H6CH3 + 6 KMnO4 + 9 H2SO4 = 5 C6H6COOH + 3 K2SO4 + 6 MnSO4 + 14 H2O
Au + FeSO4 = Fe + Au2(SO4)3 =>
2 Au + 3 FeSO4 = 3 Fe + Au2(SO4)3
AL(OH)3 + NaOH = Na3ALO3 + H2O =>
AL(OH)3 + 3 NaOH = Na3ALO3 + 3 H2O
UO2 + HCl = UCl4 + H2O =>
UO2 + 4 HCl = UCl4 + 2 H2O
NaHCO3(s) = Na2CO3(s) + H2O(g) + CO2(g) =>
2 NaHCO3(s) = Na2CO3(s) + H2O(g) + CO2(g)
C2H4 + HCl = C2H5Cl =>
C2H4 + HCl = C2H5Cl
AB + CD = AD + CB =>
AB + CD = AD + CB
Al2O3 + NaOH + HF = Na3AlF6 + H2O =>
Al2O3 + 6 NaOH + 12 HF = 2 Na3AlF6 + 9 H2O
CO3 + HNO3 = NO3 + HCO3 =>
CO3 + HNO3 = NO3 + HCO3
Si2H3 + O2 = SiO2 + H2O =>
4 Si2H3 + 11 O2 = 8 SiO2 + 6 H2O
Mg + O2 = MgO =>
2 Mg + O2 = 2 MgO
Al2(SO4)3 + Ba(NO3)2 = Al(NO3)3 + BaSO4 =>
Al2(SO4)3 + 3 Ba(NO3)2 = 2 Al(NO3)3 + 3 BaSO4
C2H6 + O2 = CO2 + H20 =>
10 C2H6 + 20 O2 = 20 CO2 + 3 H20
Hg(NO3)2(aq) + HCl(aq) = HgCl2(s) + H(NO3)(aq) =>
Hg(NO3)2(aq) + 2 HCl(aq) = HgCl2(s) + 2 H(NO3)(aq)
O3 = O2 =>
2 O3 = 3 O2
Fe + H2SO3 = Fe2(SO3)3 + H2 =>
2 Fe + 3 H2SO3 = Fe2(SO3)3 + 3 H2
SnCl4 + NaOH = SnOH + NaCl4 =>
SnCl4 + NaOH = SnOH + NaCl4
C2H5OH + PCl3 = C2H5Cl + H3PO3 =>
3 C2H5OH + PCl3 = 3 C2H5Cl + H3PO3
HgO = Hg + O2 =>
2 HgO = 2 Hg + O2
SiO2 + C = SiC + CO =>
SiO2 + 3 C = SiC + 2 CO
H2O2 = H2O + O2 =>
2 H2O2 = 2 H2O + O2
HCN + O2 = CO2 + H2O + N2 =>
4 HCN + 5 O2 = 4 CO2 + 2 H2O + 2 N2
C7H6O2 + O2 = CO2 + H2O =>
2 C7H6O2 + 15 O2 = 14 CO2 + 6 H2O
K + O2 = K2O =>
4 K + O2 = 2 K2O
C2H5OH + CH3CO2H = CH3CO2C2H5 + H2O =>
C2H5OH + CH3CO2H = CH3CO2C2H5 + H2O
Cr2(SO4)3 + Br + NaOH = Na2CrO4 + Na2SO4 + NaBr + H2O =>
Cr2(SO4)3 + 6 Br + 16 NaOH = 2 Na2CrO4 + 3 Na2SO4 + 6 NaBr + 8 H2O
KClO3 = KCl + O2 =>
2 KClO3 = 2 KCl + 3 O2
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| Équations équilibrées la veille | Équations équilibrées le lendemain |
Équations équilibrées sur09/07/15
Équations équilibrées sur10/07/14
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