| Équations équilibrées la veille | Équations équilibrées le lendemain |
2 B5H9 + 12 O2 = 5 B2O3 + 9 H2O
Cl2 + KOH = KClO3 + KCl + H2O =>
3 Cl2 + 6 KOH = KClO3 + 5 KCl + 3 H2O
C2H2 + H2CO3 = C2H6O2 + CO =>
3 C2H2 + 3 H2CO3 = 2 C2H6O2 + 5 CO
NO3 + H2(aq) = NH3 + H2O =>
2 NO3 + 9 H2(aq) = 2 NH3 + 6 H2O
AgBr + K2SO4 = KBr + Ag2SO4 =>
2 AgBr + K2SO4 = 2 KBr + Ag2SO4
BaCl2 + AgNO3 = Ba(NO3)2 + AgCl =>
BaCl2 + 2 AgNO3 = Ba(NO3)2 + 2 AgCl
N2H4 + H2O2 = N2 + H2O =>
N2H4 + 2 H2O2 = N2 + 4 H2O
AgNO3(aq) + Cu(s) = Cu(NO3)2(aq) + Ag =>
2 AgNO3(aq) + Cu(s) = Cu(NO3)2(aq) + 2 Ag
HOOCCH2COOH + NaOH = NaOOCCH2COONa + H2O(water) =>
HOOCCH2COOH + 2 NaOH = NaOOCCH2COONa + 2 H2O(water)
NH3 + H2O = NH4 + OH =>
NH3 + H2O = NH4 + OH
C4H8 + O2 = CO2 + H2O =>
C4H8 + 6 O2 = 4 CO2 + 4 H2O
H2SO4 + NaOH = H2O + Na2SO4 =>
H2SO4 + 2 NaOH = 2 H2O + Na2SO4
P4 + Cl2 = PCl3 =>
P4 + 6 Cl2 = 4 PCl3
BaCl2(aq) + Na2SO4(aq) = BaSO4(s) + NaCl(aq) =>
BaCl2(aq) + Na2SO4(aq) = BaSO4(s) + 2 NaCl(aq)
Mg2Al4Si5O18 + CaMgSi2O6 + H2O = Ca2Mg5Si8O22(OH)2 + Ca3Al2Si3O12 + SiO2 =>
3 Mg2Al4Si5O18 + 34 CaMgSi2O6 + 8 H2O = 8 Ca2Mg5Si8O22(OH)2 + 6 Ca3Al2Si3O12 + SiO2
CuBr2 + K2CrO4 = KBr + CuCrO4 =>
CuBr2 + K2CrO4 = 2 KBr + CuCrO4
C3H5N3O9 = N2 + CO2 + H2O + O2 =>
4 C3H5N3O9 = 6 N2 + 12 CO2 + 10 H2O + O2
Zn + FeCl3 = ZnCl2 + Fe =>
3 Zn + 2 FeCl3 = 3 ZnCl2 + 2 Fe
Cl2(g) + NaBr(aq) = NaCl(aq) + Br2(l) =>
Cl2(g) + 2 NaBr(aq) = 2 NaCl(aq) + Br2(l)
CuBr2 + Ag2SO4 = CuSO4 + AgBr =>
CuBr2 + Ag2SO4 = CuSO4 + 2 AgBr
C2H6 + O2 = CO2 + H2O =>
2 C2H6 + 7 O2 = 4 CO2 + 6 H2O
BaCl2(aq) + Na2SO4(aq) = BaSO4(s) + NaCl(aq) =>
BaCl2(aq) + Na2SO4(aq) = BaSO4(s) + 2 NaCl(aq)
H2O2 = H2O + O2 =>
2 H2O2 = 2 H2O + O2
Cl2(g) + NaBr(aq) = NaCl(aq) + Br2(l) =>
Cl2(g) + 2 NaBr(aq) = 2 NaCl(aq) + Br2(l)
C2H6O(l) + O2(g) = H2O(g) + CO2(g) =>
C2H6O(l) + 3 O2(g) = 3 H2O(g) + 2 CO2(g)
KClO3(s) = KCl(s) + O2(g) =>
2 KClO3(s) = 2 KCl(s) + 3 O2(g)
KMnO4 + Na2SO3 + H2SO4 = K2SO4 + MnSO4 + Na2SO4 + H2O =>
2 KMnO4 + 5 Na2SO3 + 3 H2SO4 = K2SO4 + 2 MnSO4 + 5 Na2SO4 + 3 H2O
As2O3 + HCl = AsCl3 + H2O =>
As2O3 + 6 HCl = 2 AsCl3 + 3 H2O
AlCl3(aq) + NH4OH(aq) = NH4Cl(aq) + Al(OH)3(s) =>
AlCl3(aq) + 3 NH4OH(aq) = 3 NH4Cl(aq) + Al(OH)3(s)
NH3 + O2 = N2 + H2O =>
4 NH3 + 3 O2 = 2 N2 + 6 H2O
HCl + NaOH = NaCl + H2O =>
HCl + NaOH = NaCl + H2O
H2(g) + O2(g) = H2O(l) =>
2 H2(g) + O2(g) = 2 H2O(l)
CuCl2 + Ba(OH)2 = Cu(OH)2 + BaCl2 =>
CuCl2 + Ba(OH)2 = Cu(OH)2 + BaCl2
Al + CuSO4 = Al(SO4)3 + Cu =>
Al + 3 CuSO4 = Al(SO4)3 + 3 Cu
Al + CuSO4 = Al2(SO4)3 + Cu =>
2 Al + 3 CuSO4 = Al2(SO4)3 + 3 Cu
C2H4 + H2CO3 = C2H6O2 + CO =>
C2H4 + H2CO3 = C2H6O2 + CO
CaMgSi2O6 + CO2 + H2O = Ca2Mg5Si8O22(OH)2 + CaCO3 + SiO2 =>
5 CaMgSi2O6 + 3 CO2 + H2O = Ca2Mg5Si8O22(OH)2 + 3 CaCO3 + 2 SiO2
CaCO3 + HCl = CO2 + CaCl2 + H2O =>
CaCO3 + 2 HCl = CO2 + CaCl2 + H2O
H2 + I2 = HI =>
H2 + I2 = 2 HI
H2(SO4) + NaOH = H2O + Na2(SO4) =>
H2(SO4) + 2 NaOH = 2 H2O + Na2(SO4)
C8H18 + O2 = CO2 + H2O =>
2 C8H18 + 25 O2 = 16 CO2 + 18 H2O
SO2 + H2O + O2 = H2SO4 =>
2 SO2 + 2 H2O + O2 = 2 H2SO4
AgNO3 + H2S = Ag2S + HNO3 =>
2 AgNO3 + H2S = Ag2S + 2 HNO3
P + O2 = P2O3 =>
4 P + 3 O2 = 2 P2O3
PBr5 + H2O = H3PO4 + HBr =>
PBr5 + 4 H2O = H3PO4 + 5 HBr
NaHCO3 + HNO3 = NaNO3 + H2O + CO2 =>
NaHCO3 + HNO3 = NaNO3 + H2O + CO2
H3BO3 = HBO2 + H2O =>
H3BO3 = HBO2 + H2O
C6H5CH3 + K2Cr2O7 + H2SO4 = C6H5COOH + Cr2(SO4)3 + K2SO4 + H2O =>
C6H5CH3 + K2Cr2O7 + 4 H2SO4 = C6H5COOH + Cr2(SO4)3 + K2SO4 + 5 H2O
FeSO4 + KMnO4 + H2SO4 = Fe2(SO4)3 + KHSO4 + MnSO4 + H2O =>
10 FeSO4 + 2 KMnO4 + 9 H2SO4 = 5 Fe2(SO4)3 + 2 KHSO4 + 2 MnSO4 + 8 H2O
CoBr3 + Pb(NO3)2 = Co(NO3)3 + PbBr2 =>
2 CoBr3 + 3 Pb(NO3)2 = 2 Co(NO3)3 + 3 PbBr2
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| Équations équilibrées la veille | Équations équilibrées le lendemain |
Équations équilibrées sur02/03/12
Équations équilibrées sur03/04/11
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