| Équations équilibrées la veille | Équations équilibrées le lendemain |
PbCO3(s) = PbO(s) + CO2(g)
Na[Cr(OH)4] + NaClO + NaOH = Na2CrO4 + NaCl + H2O =>
2 Na[Cr(OH)4] + 3 NaClO + 2 NaOH = 2 Na2CrO4 + 3 NaCl + 5 H2O
CuSo4 + Fe = Cu + Fe2(So4)3 =>
3 CuSo4 + 2 Fe = 3 Cu + Fe2(So4)3
Na[Cr(OH)4] + NaClO + NaOH = Na2CrO4 + NaCl + H2O =>
2 Na[Cr(OH)4] + 3 NaClO + 2 NaOH = 2 Na2CrO4 + 3 NaCl + 5 H2O
CaCO3 + HNO3 = Ca(NO3)2 + H2O + CO2 =>
CaCO3 + 2 HNO3 = Ca(NO3)2 + H2O + CO2
Zn + CdSo4 = ZnSo4 + Cd =>
Zn + CdSo4 = ZnSo4 + Cd
H2 + Cl2 = HCl =>
H2 + Cl2 = 2 HCl
Rb + H2O = RbOH + H2 =>
2 Rb + 2 H2O = 2 RbOH + H2
N2 + H2 = NH3 =>
N2 + 3 H2 = 2 NH3
H2SO4 + NAOH = NAHSO4 + H2O =>
H2SO4 + NAOH = NAHSO4 + H2O
FeSO4 + H2O2 + KOH = Fe(OH)3 + KSO4 =>
FeSO4 + H2O2 + KOH = Fe(OH)3 + KSO4
FeCl3 + NaOH = Fe(OH)3 + NaCl =>
FeCl3 + 3 NaOH = Fe(OH)3 + 3 NaCl
K2Cr2O7 + H2SO4 + Na2S = Cr2(SO4)3 + H2O + K2SO4 + Na2SO4 =>
4 K2Cr2O7 + 16 H2SO4 + 3 Na2S = 4 Cr2(SO4)3 + 16 H2O + 4 K2SO4 + 3 Na2SO4
MgBr + Cl = ClBr + Mg =>
MgBr + Cl = ClBr + Mg
C2H4(g) + O2(g) = CO2(g) + H2O(g) =>
C2H4(g) + 3 O2(g) = 2 CO2(g) + 2 H2O(g)
NiS + O2 = NiO + SO2 =>
2 NiS + 3 O2 = 2 NiO + 2 SO2
Na[Cr(OH)4] + NaClO + NaOH = Na2CrO4 + NaCl + H2O =>
2 Na[Cr(OH)4] + 3 NaClO + 2 NaOH = 2 Na2CrO4 + 3 NaCl + 5 H2O
Bi(OH)3 + K2SnO2 = Bi + K2SnO3 + H2O =>
2 Bi(OH)3 + 3 K2SnO2 = 2 Bi + 3 K2SnO3 + 3 H2O
HBO2 + Fe2(OH)3 = Fe2(BO2)3 + H2O =>
3 HBO2 + Fe2(OH)3 = Fe2(BO2)3 + 3 H2O
Na2SO4 + BaCl2 = BaSO4 + NaCl =>
Na2SO4 + BaCl2 = BaSO4 + 2 NaCl
K + H2SO4 = K2SO4 + H2S + H2O =>
8 K + 5 H2SO4 = 4 K2SO4 + H2S + 4 H2O
AL + Cl2 = ALCl2 =>
AL + Cl2 = ALCl2
Zn(OH)2(s) + NaOH(aq) = Zn(OH)4 + Na =>
Zn(OH)2(s) + 2 NaOH(aq) = Zn(OH)4 + 2 Na
PbO + NH3 = Pb + N2 + H2O =>
3 PbO + 2 NH3 = 3 Pb + N2 + 3 H2O
Rb + H2O = RbOH + H2 =>
2 Rb + 2 H2O = 2 RbOH + H2
K2Cr2O7 + H2SO4 + C2H5OH = Cr2(SO4)3 + K2SO4 + CH3COOH + H2O =>
2 K2Cr2O7 + 8 H2SO4 + 3 C2H5OH = 2 Cr2(SO4)3 + 2 K2SO4 + 3 CH3COOH + 11 H2O
Zn(OH)2(s) + NaOH(aq) = Zn(OH)4(aq) + Na =>
Zn(OH)2(s) + 2 NaOH(aq) = Zn(OH)4(aq) + 2 Na
Fe(NO3)3 + Na2CrO4 + Pb(NO3)2 = FeCrO4 + Na2(NO3)2 + Pb(NO3)3 =>
Fe(NO3)3 + Na2CrO4 + Pb(NO3)2 = FeCrO4 + Na2(NO3)2 + Pb(NO3)3
Zn + HCl = ZnCl2 + H2 =>
Zn + 2 HCl = ZnCl2 + H2
As2S3 + HNO3 = H3AsO4 + H2SO4 + NO2 + H2O =>
As2S3 + 28 HNO3 = 2 H3AsO4 + 3 H2SO4 + 28 NO2 + 8 H2O
NH3 + O2 = NO + H2O =>
4 NH3 + 5 O2 = 4 NO + 6 H2O
CH4 + O2 = CO2 + H2O =>
CH4 + 2 O2 = CO2 + 2 H2O
C4H10 + O2 = CO2 + H20 =>
2 C4H10 + 8 O2 = 8 CO2 + H20
(NH4)2CO3(aq) + Ba(CH3CO4)2(aq) = NH4(CH3CO4) + BaCO3 =>
(NH4)2CO3(aq) + Ba(CH3CO4)2(aq) = 2 NH4(CH3CO4) + BaCO3
C7H6O2 + CH3OH = C6H5CO2CH3 + H2O =>
C7H6O2 + CH3OH = C6H5CO2CH3 + H2O
C3H8O + O2 = CO2 + H2O =>
2 C3H8O + 9 O2 = 6 CO2 + 8 H2O
NH4Cl(aq) + NaOH(aq) = H2O(l) + NH3(g) + NaCl(aq) =>
NH4Cl(aq) + NaOH(aq) = H2O(l) + NH3(g) + NaCl(aq)
F2 + H2O = HF + O3 =>
3 F2 + 3 H2O = 6 HF + O3
C6H12O6 + O2 = CO2 + H2O =>
C6H12O6 + 6 O2 = 6 CO2 + 6 H2O
KMnO4 + HCl = Cl2 + MnCl2 + H2O + KCl =>
2 KMnO4 + 16 HCl = 5 Cl2 + 2 MnCl2 + 8 H2O + 2 KCl
NH4OH + H3PO4 = (NH4)3PO4 + H2O =>
3 NH4OH + H3PO4 = (NH4)3PO4 + 3 H2O
ZN + O2 = ZNO =>
2 ZN + O2 = 2 ZNO
Pb(NO3)2 + AlCl3 = PbCl2 + Al(NO3)3 =>
3 Pb(NO3)2 + 2 AlCl3 = 3 PbCl2 + 2 Al(NO3)3
Cu2S + HNO3 = Cu(NO3)2 + CuSO4 + NO + H2O =>
3 Cu2S + 16 HNO3 = 3 Cu(NO3)2 + 3 CuSO4 + 10 NO + 8 H2O
Sn + HNO3 = SnO2 + NO2 + H2O =>
Sn + 4 HNO3 = SnO2 + 4 NO2 + 2 H2O
H2SeO3 + FeSO4 + H2SO4 = Fe2(SO4)3 + Se + H2O =>
H2SeO3 + 4 FeSO4 + 2 H2SO4 = 2 Fe2(SO4)3 + Se + 3 H2O
K2Cr2O7 + KJ + H2SO4 = Cr2(SO4)3 + J2 + K2SO4 + H2O =>
K2Cr2O7 + 6 KJ + 7 H2SO4 = Cr2(SO4)3 + 3 J2 + 4 K2SO4 + 7 H2O
CH3H8 + O2 = CO2 + H2O =>
4 CH3H8 + 15 O2 = 4 CO2 + 22 H2O
Sr(ClO3)2 + K2CO3 = KClO3 + SrCO3 =>
Sr(ClO3)2 + K2CO3 = 2 KClO3 + SrCO3
Mg(s) + N2(g) = Mg3N2(s) =>
3 Mg(s) + N2(g) = Mg3N2(s)
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| Équations équilibrées la veille | Équations équilibrées le lendemain |
Équations équilibrées sur10/31/15
Équations équilibrées sur11/30/14
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