| Équations équilibrées la veille |
4 Cr2O7{2-} + 3 C2H5OH + 32 H{+} = 8 Cr{3+} + 6 CO + 25 H2O
NH3 + O2 = N2 + H2O =>
4 NH3 + 3 O2 = 2 N2 + 6 H2O
Al + HCl = AlCl3 + H2 =>
2 Al + 6 HCl = 2 AlCl3 + 3 H2
I2 + Na2S2O3 = NaI + Na2S4O6 =>
I2 + 2 Na2S2O3 = 2 NaI + Na2S4O6
Al + H2SO4 = Al2(SO4)3 + H2 =>
2 Al + 3 H2SO4 = Al2(SO4)3 + 3 H2
TiCl4 + H2O = TiO2 + HCl =>
TiCl4 + 2 H2O = TiO2 + 4 HCl
Cu + H = CuH =>
Cu + H = CuH
Fe(NO3)3 + Na2CO3 = FeCO3 + Na2(NO3)3 =>
Fe(NO3)3 + Na2CO3 = FeCO3 + Na2(NO3)3
Al + CuO = Al2O3 + Cu =>
2 Al + 3 CuO = Al2O3 + 3 Cu
Ni + HCl = NiCl2 + H =>
Ni + 2 HCl = NiCl2 + 2 H
CuCO3*Cu(OH)2(s) = CuO(s) + H2O(g) + CO2(g) =>
CuCO3*Cu(OH)2(s) = 2 CuO(s) + H2O(g) + CO2(g)
CH3COONa + C4H6O6 + KCl = CH3COOH + K2C4H4O6 + NaCl =>
2 CH3COONa + C4H6O6 + 2 KCl = 2 CH3COOH + K2C4H4O6 + 2 NaCl
C2H2 + O2 = CO2 + H2O =>
2 C2H2 + 5 O2 = 4 CO2 + 2 H2O
Zn + CO2 = CO + ZnO =>
Zn + CO2 = CO + ZnO
NiCl3 + K2Co3 = CoCl2 + KCl + Ni =>
8 NiCl3 + 3 K2Co3 = 9 CoCl2 + 6 KCl + 8 Ni
AlCl3 + NaOH = Na[Al(OH)4] + NaCl0 =>
AlCl3 + 4 NaOH = Na[Al(OH)4] + 3 NaCl0
P + O2 = P2O5 =>
4 P + 5 O2 = 2 P2O5
As + Cl2 = AsCl3 =>
2 As + 3 Cl2 = 2 AsCl3
Fe + Cl = Fe3Cl =>
3 Fe + Cl = Fe3Cl
CuBr + H2O = HBr + Cu2O =>
2 CuBr + H2O = 2 HBr + Cu2O
C8H18 + O2 = CO2 + H2O =>
2 C8H18 + 25 O2 = 16 CO2 + 18 H2O
N2(g) + Cl2(g) = NCl3(g) =>
N2(g) + 3 Cl2(g) = 2 NCl3(g)
Al(OH)3 = Al2O3 + H2O =>
2 Al(OH)3 = Al2O3 + 3 H2O
Mg + O2 = MgO =>
2 Mg + O2 = 2 MgO
AgCl + H2O = Ag2O + HCl =>
2 AgCl + H2O = Ag2O + 2 HCl
KCN + [Cu(NH3)4] + H2O = NH4OH + [Cu(CN)4] + K =>
4 KCN + [Cu(NH3)4] + 4 H2O = 4 NH4OH + [Cu(CN)4] + 4 K
PO4 + H2O = H3PO4 + OH =>
PO4 + 3 H2O = H3PO4 + 3 OH
C12H26 + NO3{-} + H{+} = CO2 + H2O + N2 =>
5 C12H26 + 74 NO3{-} + 74 H{+} = 60 CO2 + 102 H2O + 37 N2
Br + NaI = BrI + Na =>
Br + NaI = BrI + Na
H2SO4 + K3[Fe(CN)6] + Fe = Fe3[Fe(CN)6] + K2SO4 + H2 =>
3 H2SO4 + 2 K3[Fe(CN)6] + 6 Fe = 2 Fe3[Fe(CN)6] + 3 K2SO4 + 3 H2
Sn(NO3)4 + K3PO4 = Sn3(PO4)4 + KNO3 =>
3 Sn(NO3)4 + 4 K3PO4 = Sn3(PO4)4 + 12 KNO3
KMnO4H2O2 = KMnO4 + H2O2 =>
KMnO4H2O2 = KMnO4 + H2O2
MnSO4 + NaNO3 = Mn(NO3)2 + Na2SO4 =>
MnSO4 + 2 NaNO3 = Mn(NO3)2 + Na2SO4
Na2O2 + H2O = NaOH + O2 =>
2 Na2O2 + 2 H2O = 4 NaOH + O2
Cr(OH)3 + NaHSO4 = Cr2(SO4)3 + Na2SO4 + H2O =>
2 Cr(OH)3 + 6 NaHSO4 = Cr2(SO4)3 + 3 Na2SO4 + 6 H2O
N2O2 + O2 = NO2 =>
N2O2 + O2 = 2 NO2
MnO2 + H2SO4 = MnSO4 + O2 + H2O =>
2 MnO2 + 2 H2SO4 = 2 MnSO4 + O2 + 2 H2O
K2SO4 + BaCl2 = BaSO4 + KCl =>
K2SO4 + BaCl2 = BaSO4 + 2 KCl
Al + Br2 = AlBr3 =>
2 Al + 3 Br2 = 2 AlBr3
C6H12 + O2 = CO2 + H2O =>
C6H12 + 9 O2 = 6 CO2 + 6 H2O
KOH(s) + HNO3(aq) = H2O + KNO3(aq) =>
KOH(s) + HNO3(aq) = H2O + KNO3(aq)
C4H10 + O2 = CO2 + H2O =>
2 C4H10 + 13 O2 = 8 CO2 + 10 H2O
KClO3(s) = KCl(s) + O2(g) =>
2 KClO3(s) = 2 KCl(s) + 3 O2(g)
C2H5OH + O2 = CO2 + H2O =>
C2H5OH + 3 O2 = 2 CO2 + 3 H2O
Ca3(PO4)2 + SiO2 + C = CaSiO3 + P4 + CO =>
2 Ca3(PO4)2 + 6 SiO2 + 10 C = 6 CaSiO3 + P4 + 10 CO
Ni + Mg(No3)2 = Ni(No3)2 + Mg =>
Ni + Mg(No3)2 = Ni(No3)2 + Mg
Na2S + CdCl2 = CdS + NaCl =>
Na2S + CdCl2 = CdS + 2 NaCl
Pb + HNO2 = Pb(NO2)2 + NO + H2O =>
Pb + 4 HNO2 = Pb(NO2)2 + 2 NO + 2 H2O
O2 = O =>
O2 = 2 O
C8H20 + O2 = H2O + CO2 =>
C8H20 + 13 O2 = 10 H2O + 8 CO2
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