| Équations équilibrées la veille | Équations équilibrées le lendemain |
B(OH)3(s) + 3 CH3OH(l) = B(OCH3)3(s) + 3 H2O(l)
NaOH + HCl = NaCl + H(OH) =>
NaOH + HCl = NaCl + H(OH)
SO2 + O2 = SO3 =>
2 SO2 + O2 = 2 SO3
NaHCO3 + H2O = H2CO3 + NaOH =>
NaHCO3 + H2O = H2CO3 + NaOH
Fe2O3 + Zn = Fe + ZnO =>
Fe2O3 + 3 Zn = 2 Fe + 3 ZnO
CH3OH + K2Cr2O7 + H2SO4 = HCOOH + Cr2(SO4)3 + K2SO4 + H2O =>
3 CH3OH + 2 K2Cr2O7 + 8 H2SO4 = 3 HCOOH + 2 Cr2(SO4)3 + 2 K2SO4 + 11 H2O
Fe2(SO4)3 + KOH = K2SO4 + Fe(OH)3 =>
Fe2(SO4)3 + 6 KOH = 3 K2SO4 + 2 Fe(OH)3
PbCl2 + KI = PbI2 + KCl =>
PbCl2 + 2 KI = PbI2 + 2 KCl
AsCl3 + H2S = As2S3 + HCl =>
2 AsCl3 + 3 H2S = As2S3 + 6 HCl
PbNO3 + NaI = PbI + NaNO3 =>
PbNO3 + NaI = PbI + NaNO3
Mg + O2 = Mg3O2 =>
3 Mg + O2 = Mg3O2
NaCl + H2SO4 = HCl + NaHSO4 =>
NaCl + H2SO4 = HCl + NaHSO4
Mg2 + OH = Mg(OH)2 =>
Mg2 + 4 OH = 2 Mg(OH)2
NH4NO3(s) = N2(g) + O2(g) + H2O(g) =>
2 NH4NO3(s) = 2 N2(g) + O2(g) + 4 H2O(g)
C7H6O2 + O2 = CO2 + H2O =>
2 C7H6O2 + 15 O2 = 14 CO2 + 6 H2O
TiBr4 + H2 = Ti + HBr =>
TiBr4 + 2 H2 = Ti + 4 HBr
Mg2 + OH = Mg(OH)2 =>
Mg2 + 4 OH = 2 Mg(OH)2
K2CO3 + H2SO4 = K2SO4H2O + CO2 =>
K2CO3 + H2SO4 = K2SO4H2O + CO2
CaC2 + H2O = Ca(OH)2 + C2H2 =>
CaC2 + 2 H2O = Ca(OH)2 + C2H2
AgNO3 + CaCl2 = AgCl + Ca(NO3)2 =>
2 AgNO3 + CaCl2 = 2 AgCl + Ca(NO3)2
Mg2 + OH = Mg(OH)2 =>
Mg2 + 4 OH = 2 Mg(OH)2
NH3 + O2 = N2 + H2O =>
4 NH3 + 3 O2 = 2 N2 + 6 H2O
Mg2 + OH = Mg(OH)2 =>
Mg2 + 4 OH = 2 Mg(OH)2
H2SO4 + HI = H2S + I2 + H2O =>
H2SO4 + 8 HI = H2S + 4 I2 + 4 H2O
NH3 + O2 = NO + H2O =>
4 NH3 + 5 O2 = 4 NO + 6 H2O
C6H14 + O2 = H2O + CO =>
2 C6H14 + 13 O2 = 14 H2O + 12 CO
TiBr4(g) + H2(g) = Ti(s) + HBr(g) =>
TiBr4(g) + 2 H2(g) = Ti(s) + 4 HBr(g)
FeS2 + O2 = Fe2O3 + SO2 =>
4 FeS2 + 11 O2 = 2 Fe2O3 + 8 SO2
C4H10 + O2 = CO2 + H2O =>
2 C4H10 + 13 O2 = 8 CO2 + 10 H2O
K2Cr2O7 + FeSO4 + H2SO4 = Cr2(SO4)3 + Fe2(SO4)3 + K2SO4 + H2O =>
K2Cr2O7 + 6 FeSO4 + 7 H2SO4 = Cr2(SO4)3 + 3 Fe2(SO4)3 + K2SO4 + 7 H2O
Ca3(PO4)2 + SiO2 + C = CaSiO3 + P4 + CO =>
2 Ca3(PO4)2 + 6 SiO2 + 10 C = 6 CaSiO3 + P4 + 10 CO
Ca3(PO4)2 + C + SiO2 = CaSiO3 + CO + P4 =>
2 Ca3(PO4)2 + 10 C + 6 SiO2 = 6 CaSiO3 + 10 CO + P4
Al + FeO = Al2O3 + Fe =>
2 Al + 3 FeO = Al2O3 + 3 Fe
Na2B4O7(s) + H2SO4(aq) + H2O(l) = H3BO3(s) + Na2SO4(aq) =>
Na2B4O7(s) + H2SO4(aq) + 5 H2O(l) = 4 H3BO3(s) + Na2SO4(aq)
I2 + NaHCO3 + H3AsO3 = H3AsO4 + NaI + H2O + CO2 =>
I2 + 2 NaHCO3 + H3AsO3 = H3AsO4 + 2 NaI + H2O + 2 CO2
MgO + H3PO4 = Mg3(PO4)2 + H2O =>
3 MgO + 2 H3PO4 = Mg3(PO4)2 + 3 H2O
KOH + Cl2 = KClO3 + KCl + H2O =>
6 KOH + 3 Cl2 = KClO3 + 5 KCl + 3 H2O
HCl = Cl2 + H2 =>
2 HCl = Cl2 + H2
Fe2O3 + H2 = Fe + H2O =>
Fe2O3 + 3 H2 = 2 Fe + 3 H2O
Mg + N = Mg3N2 =>
3 Mg + 2 N = Mg3N2
H2SO3 + K2Cr2O7 + H2SO4 = Cr2(SO4)3 + H2O + K2SO4 =>
3 H2SO3 + K2Cr2O7 + H2SO4 = Cr2(SO4)3 + 4 H2O + K2SO4
NaOH + MgSO4 = Na2SO4 + Mg(OH)2 =>
2 NaOH + MgSO4 = Na2SO4 + Mg(OH)2
(C17H35COO)3C3H5 + NaOH = C17H35COONa + C3H5(OH)3 =>
(C17H35COO)3C3H5 + 3 NaOH = 3 C17H35COONa + C3H5(OH)3
K + Cl = KCl =>
K + Cl = KCl
C6H12 + O2 = CO2 + H2O =>
C6H12 + 9 O2 = 6 CO2 + 6 H2O
Fe + O2 = Fe2O3 =>
4 Fe + 3 O2 = 2 Fe2O3
SO2 + O2 = SO3 =>
2 SO2 + O2 = 2 SO3
NH3 + H2SO4 = NSO4 + H2 =>
2 NH3 + 2 H2SO4 = 2 NSO4 + 5 H2
NaOH + H3PO4 = Na3PO4 + H2O =>
3 NaOH + H3PO4 = Na3PO4 + 3 H2O
SO2 + O2 = SO3 =>
2 SO2 + O2 = 2 SO3
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| Équations équilibrées la veille | Équations équilibrées le lendemain |
Équations équilibrées sur02/04/13
Équations équilibrées sur03/06/12
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