| Équations équilibrées la veille |
Xe + 7 OH = HXeO4 + 3 H2O
Cr2O7{-2} + H{+} + {-} = Cr{+3} + H2O =>
Cr2O7{-2} + 14 H{+} + 6e = 2 Cr{+3} + 7 H2O
Fe2O3 + C = CO + Fe =>
Fe2O3 + 3 C = 3 CO + 2 Fe
C8H18 + O2 = CO2 + H2O =>
2 C8H18 + 25 O2 = 16 CO2 + 18 H2O
Mg + NaOH = Mg(OH)2 + Na =>
Mg + 2 NaOH = Mg(OH)2 + 2 Na
H2 + Cl2 = HCl =>
H2 + Cl2 = 2 HCl
C2H5OH + O2 = CO + H2O =>
C2H5OH + 2 O2 = 2 CO + 3 H2O
Mg + F = MgF2 =>
Mg + 2 F = MgF2
W + Cl = WCl6 =>
W + 6 Cl = WCl6
B + I2 = BI3 =>
2 B + 3 I2 = 2 BI3
Fr + H2O = FrOH + H2 =>
2 Fr + 2 H2O = 2 FrOH + H2
HI + Fe = HFe + I =>
HI + Fe = HFe + I
Fe + Cl2 = FeCl3 =>
2 Fe + 3 Cl2 = 2 FeCl3
CuF2 + H2SO4 = CuSO4 + HF =>
CuF2 + H2SO4 = CuSO4 + 2 HF
Fe + Cl2 = FeCl3 =>
2 Fe + 3 Cl2 = 2 FeCl3
Re + HNO3 = Re(NO3)7 + NO2 + H2O =>
Re + 14 HNO3 = Re(NO3)7 + 7 NO2 + 7 H2O
Fe2O3 + CO = Fe3O4 + CO2 =>
3 Fe2O3 + CO = 2 Fe3O4 + CO2
Al + ZnCl2 = Zn + AlCl3 =>
2 Al + 3 ZnCl2 = 3 Zn + 2 AlCl3
C3H6O3 + C4H10O = C7H14O3 + H2O =>
C3H6O3 + C4H10O = C7H14O3 + H2O
Fe + Cl2 = FeCl3 =>
2 Fe + 3 Cl2 = 2 FeCl3
C4H10 + O2 = CO2 + H2O =>
2 C4H10 + 13 O2 = 8 CO2 + 10 H2O
H2SO4(aq) + NH4OH(aq) = H2O(aq) + (NH4)2SO4(aq) =>
H2SO4(aq) + 2 NH4OH(aq) = 2 H2O(aq) + (NH4)2SO4(aq)
C3H8 + O2 = CO2 + H2O =>
C3H8 + 5 O2 = 3 CO2 + 4 H2O
KMnO4 + (COOH)22H2O + H2SO4 = K2SO4 + MnSO4 + H2O + CO2 =>
22 KMnO4 + 5(COOH)22H2O + 33 H2SO4 = 11 K2SO4 + 22 MnSO4 + 93 H2O + 110 CO2
N2 + O2 = NO =>
N2 + O2 = 2 NO
Cl2O7(g) + H2O(i) = HClO4 =>
Cl2O7(g) + H2O(i) = 2 HClO4
Pb + H3PO4 = H2 + Pb3(PO4)2 =>
3 Pb + 2 H3PO4 = 3 H2 + Pb3(PO4)2
Cr + H2SO4 = Cr2(SO4)3 + H2 =>
2 Cr + 3 H2SO4 = Cr2(SO4)3 + 3 H2
AlCl3 + Na2CO3 + H2O = Al(OH)3 + NaCl + CO2 =>
2 AlCl3 + 3 Na2CO3 + 3 H2O = 2 Al(OH)3 + 6 NaCl + 3 CO2
Ni + HCl = NiCl2 + H2 =>
Ni + 2 HCl = NiCl2 + H2
K + Cl2 = KCl =>
2 K + Cl2 = 2 KCl
Hg + HNO3 = Hg(NO3)2 + NO + H2O =>
3 Hg + 8 HNO3 = 3 Hg(NO3)2 + 2 NO + 4 H2O
BaO + NaOH = BaOH2 + NaO =>
BaO + 2 NaOH = BaOH2 + 2 NaO
Fe(NO3)2 + NaCl = Na(NO3)2 + FeCl =>
Fe(NO3)2 + NaCl = Na(NO3)2 + FeCl
NaOH + Al + H2O = NaAlO2 + H2 =>
2 NaOH + 2 Al + 2 H2O = 2 NaAlO2 + 3 H2
NH4NO3(s) = N2O(g) + H2O(l) =>
NH4NO3(s) = N2O(g) + 2 H2O(l)
CuNO3 + KSCN = CuSCN + KNO3 =>
CuNO3 + KSCN = CuSCN + KNO3
Mg(NO3)2 + H2SO4 = MgSO4 + H2(NO3)2 =>
Mg(NO3)2 + H2SO4 = MgSO4 + H2(NO3)2
Cr + H2S = CrS + H2 =>
Cr + H2S = CrS + H2
Li2CO3 + NH4H2PO4 = Li3PO4 + NH3 + H2O + CO2 =>
3 Li2CO3 + 2 NH4H2PO4 = 2 Li3PO4 + 2 NH3 + 3 H2O + 3 CO2
Fe + NaCl + H2SO4 = FeCl3 + NaSO4 + H2 =>
Fe + 3 NaCl + 3 H2SO4 = FeCl3 + 3 NaSO4 + 3 H2
C10H20O2 + C2H7N = C12H25NO + H2O =>
C10H20O2 + C2H7N = C12H25NO + H2O
FeCl3 + NaOH = Fe(OH)3 + NaCl =>
FeCl3 + 3 NaOH = Fe(OH)3 + 3 NaCl
K2S + FeCl3 = KCl + FeCl2 + S =>
K2S + 2 FeCl3 = 2 KCl + 2 FeCl2 + S
CoCl2 + KNO2 + HC2H3O2 = K3[Co(NO2)6] + NO + KC2H3O2 + KCl + H2O =>
CoCl2 + 7 KNO2 + 2 HC2H3O2 = K3[Co(NO2)6] + NO + 2 KC2H3O2 + 2 KCl + H2O
Al2O + H2O = Al + OH =>
Al2O + H2O = 2 Al + 2 OH
Na2CO3 + HCl = NaCl + H2O + CO2 =>
Na2CO3 + 2 HCl = 2 NaCl + H2O + CO2
C + S + NH5O + H3PO4 = C21H36N7O16P3S + C3H8O + C12H22O11 =>
822 C + 33 S + 231 NH5O + 99 H3PO4 = 33 C21H36N7O16P3S + 11 C3H8O + 8 C12H22O11
[Ag(NH3)2]{+} + CH3CHO + H2O = Ag + NH4{+} + NH3 + CH3COOH =>
2[Ag(NH3)2]{+} + CH3CHO + H2O = 2 Ag + 2 NH4{+} + 2 NH3 + CH3COOH
AgC2H3O2 + K2CrO4 = Ag2CrO4 + KC2H3O2 =>
2 AgC2H3O2 + K2CrO4 = Ag2CrO4 + 2 KC2H3O2
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