| Équations équilibrées la veille | Équations équilibrées le lendemain |
Fe + H2O = 2 H + Fe(iii)O
K2Cr2O7 + H2SO4 + Na2SO3 = K2SO4 + Na2SO4 + Cr2(SO4)3 + H2O =>
K2Cr2O7 + 4 H2SO4 + 3 Na2SO3 = K2SO4 + 3 Na2SO4 + Cr2(SO4)3 + 4 H2O
Na2O2 + H2O = NaOH + O2 =>
2 Na2O2 + 2 H2O = 4 NaOH + O2
Fe + H2O = H + Fe2O3 =>
2 Fe + 3 H2O = 6 H + Fe2O3
Na + H2O = H + NaOH =>
Na + H2O = H + NaOH
Na + H2O = H + Na(OH)2 =>
Na + 2 H2O = 2 H + Na(OH)2
H2SO4 + MgO = MgSO4 + H2O =>
H2SO4 + MgO = MgSO4 + H2O
KClO3 + MnO2 + NaOH = KCl + Na2MnO4 + H2O =>
KClO3 + 3 MnO2 + 6 NaOH = KCl + 3 Na2MnO4 + 3 H2O
Fe{3+} + I{-} = Fe{2+} + I2 =>
2 Fe{3+} + 2 I{-} = 2 Fe{2+} + I2
CrCl3 + Br2 + KOH = K2CrO4 + KBr + KCl + H2O =>
2 CrCl3 + 3 Br2 + 16 KOH = 2 K2CrO4 + 6 KBr + 6 KCl + 8 H2O
KMnO4 + KNO2 + H2SO4 = MnSO4 + KNO3 + K2SO4 + H20 =>
20 KMnO4 + 80 KNO2 + 30 H2SO4 = 20 MnSO4 + 80 KNO3 + 10 K2SO4 + 3 H20
KMnO4 + KNO2 + H2SO4 = MnSO4 + KNO3 + K2SO4 + H2O =>
2 KMnO4 + 5 KNO2 + 3 H2SO4 = 2 MnSO4 + 5 KNO3 + K2SO4 + 3 H2O
H2C2O4 + KOH = KHC2O4 + H2O =>
H2C2O4 + KOH = KHC2O4 + H2O
H2SO4 + NaOH = H2O + Na2SO4 =>
H2SO4 + 2 NaOH = 2 H2O + Na2SO4
Cr2(SO4)3 + KMnO4 + H2O = K2Cr2O7 + Mn(OH)4 + H2SO4 =>
Cr2(SO4)3 + 2 KMnO4 + 7 H2O = K2Cr2O7 + 2 Mn(OH)4 + 3 H2SO4
Ca(NO3)24H2O + Co(NO3)26H2O = Ca3Co4O9 + NO2 + H2O + O2 =>
6 Ca(NO3)24H2O + 8 Co(NO3)26H2O = 2 Ca3Co4O9 + 352 NO2 + 14 H2O + 167 O2
Fe + Cl2 = FeCl3 =>
2 Fe + 3 Cl2 = 2 FeCl3
Cr2(SO4)3 + KMnO4 + H2O = K2Cr2O7 + Mn(OH)4 + H2SO4 =>
Cr2(SO4)3 + 2 KMnO4 + 7 H2O = K2Cr2O7 + 2 Mn(OH)4 + 3 H2SO4
HCN + H2O2 = CO2 + H2O + N =>
2 HCN + 5 H2O2 = 2 CO2 + 6 H2O + 2 N
CaO + H2O = Ca(OH)2 =>
CaO + H2O = Ca(OH)2
XC2H5 + O2 = XOH + CO2 + H2O =>
2 XC2H5 + 7 O2 = 2 XOH + 4 CO2 + 4 H2O
Cl2 + H2 = HCl =>
Cl2 + H2 = 2 HCl
CuSO4*5H2O = CuSO4 + H2O =>
CuSO4*5H2O = CuSO4 + 5 H2O
KOH + H2SO4 = K2SO4 + H2O =>
2 KOH + H2SO4 = K2SO4 + 2 H2O
SO2 + H2O = H2SO3 =>
SO2 + H2O = H2SO3
Cr + H2O = Cr(OH2) =>
Cr + H2O = Cr(OH2)
CH3OOH + NaOH = CH3OONa + H2O =>
CH3OOH + NaOH = CH3OONa + H2O
CH3OOH + NaOH = C2H3OONa + H2O =>
2 CH3OOH + NaOH = C2H3OONa + 3 H2O
Cu + AgNo3 = Ag + CuNo3 =>
Cu + AgNo3 = Ag + CuNo3
H2SO4 + PbCO3 = PbSO4 + CO2 + H2O =>
H2SO4 + PbCO3 = PbSO4 + CO2 + H2O
NaHCO3 = Na2O(s) + H + O + CO(g) =>
2 NaHCO3 = Na2O(s) + 2 H + 3 O + 2 CO(g)
NaHCO3 = Na(s) + H2O(g) + O + CO2(g) =>
2 NaHCO3 = 2 Na(s) + H2O(g) + O + 2 CO2(g)
CU(s) + HNO3 = CU(NO3)2 + NO + H2O(water) =>
3 CU(s) + 8 HNO3 = 3 CU(NO3)2 + 2 NO + 4 H2O(water)
Na5P3O10 + NaOH = Na2{+} + PO43{-} + OH{-} + H2O =>
Na5P3O10 + 475 NaOH = 240 Na2{+} + 3 PO43{-} + 237 OH{-} + 119 H2O
K2Cr2O7 + H2SO4 + FeSO4 = K2SO4 + Cr2(SO4)3 + Fe2(SO4)3 + H2O =>
K2Cr2O7 + 7 H2SO4 + 6 FeSO4 = K2SO4 + Cr2(SO4)3 + 3 Fe2(SO4)3 + 7 H2O
H20 + CO2 + O2 + SO2 = H2SCO7 =>
H20 + 10 CO2 + 15 O2 + 10 SO2 = 10 H2SCO7
H2O + CO2 + O2 + SO2 = H2SCO7 =>
H2O + CO2 + O2 + SO2 = H2SCO7
KMnO4 + HCl = KCl + MnCl2 + H2O + Cl2 =>
2 KMnO4 + 16 HCl = 2 KCl + 2 MnCl2 + 8 H2O + 5 Cl2
CU + HNO3 = CU(NO3)2 + NO + H2O(water) =>
3 CU + 8 HNO3 = 3 CU(NO3)2 + 2 NO + 4 H2O(water)
NaHCO3 = Na2O(s) + H2 + O2 + CO(g) =>
4 NaHCO3 = 2 Na2O(s) + 2 H2 + 3 O2 + 4 CO(g)
Li + H2O = Li(OH) + H2 =>
2 Li + 2 H2O = 2 Li(OH) + H2
B(OCH3)3 + N2 = BN + CO + NH3 =>
B(OCH3)3 + 2 N2 = BN + 3 CO + 3 NH3
C6H6 + O2 = CO2 + H2O =>
2 C6H6 + 15 O2 = 12 CO2 + 6 H2O
IrCl3 + NaOH = Ir2O3 + HCl + NaCl =>
2 IrCl3 + 3 NaOH = Ir2O3 + 3 HCl + 3 NaCl
C6H6 + HONO2 = C6H5NO2 + H2O =>
C6H6 + HONO2 = C6H5NO2 + H2O
NaOCl + KI + H2SO4 = I2 + NaCl + K2SO4 + H2O =>
NaOCl + 2 KI + H2SO4 = I2 + NaCl + K2SO4 + H2O
Zn + HCl = ZnCl2 + H2 =>
Zn + 2 HCl = ZnCl2 + H2
C6H6 + Br2 = C6H5Br + HBr =>
C6H6 + Br2 = C6H5Br + HBr
Zn + MgCl2 = ZnCl2 + Mg =>
Zn + MgCl2 = ZnCl2 + Mg
PbCrO4 + HCl + FeSO4 = PbCl2 + Cr2(SO4)3 + FeCl3 + H2O + Fe2(SO4)3 =>
2 PbCrO4 + 16 HCl + 6 FeSO4 = 2 PbCl2 + Cr2(SO4)3 + 4 FeCl3 + 8 H2O + Fe2(SO4)3
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| Équations équilibrées la veille | Équations équilibrées le lendemain |
Équations équilibrées sur04/12/10
Équations équilibrées sur05/12/09
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