| Équations équilibrées la veille | Équations équilibrées le lendemain |
12 HClO4 + P4O10 = 4 H3PO4 + 6 Cl2O7
Al + H2O = Al2(OH) + H2 =>
4 Al + 2 H2O = 2 Al2(OH) + H2
Mg + HCl = MgCl + H =>
Mg + HCl = MgCl + H
CH4 + O2 = CO2 + H2O =>
CH4 + 2 O2 = CO2 + 2 H2O
CH3OH + O2 = CO2 + H2O =>
2 CH3OH + 3 O2 = 2 CO2 + 4 H2O
(NH4)2SO4 + Ba(OH)2 = BaSO4 + H2O + NH3 =>
(NH4)2SO4 + Ba(OH)2 = BaSO4 + 2 H2O + 2 NH3
Cu + AgNO3 = Cu(NO3)2 + Ag =>
Cu + 2 AgNO3 = Cu(NO3)2 + 2 Ag
C8H18 + O2 = H2O + CO2 =>
2 C8H18 + 25 O2 = 18 H2O + 16 CO2
Cu + HNO3 = Cu(NO3)2 + NO2 + H2O =>
Cu + 4 HNO3 = Cu(NO3)2 + 2 NO2 + 2 H2O
Al + O2 = Al2O3 =>
4 Al + 3 O2 = 2 Al2O3
NaN3 = Na + N2 =>
2 NaN3 = 2 Na + 3 N2
AlH3 + H2O = AlOH + H2 =>
AlH3 + H2O = AlOH + 2 H2
AlH3 + H2O = Al(OH)2 + H2 =>
2 AlH3 + 4 H2O = 2 Al(OH)2 + 5 H2
K2Cr2O7 + HCl = CrCl3 + Cl2 + KCl + H2O =>
K2Cr2O7 + 14 HCl = 2 CrCl3 + 3 Cl2 + 2 KCl + 7 H2O
C3H6 + O2 = CO2 + H2O =>
2 C3H6 + 9 O2 = 6 CO2 + 6 H2O
P4 + O2 = P2O5 =>
P4 + 5 O2 = 2 P2O5
H2 + N2 = NH3 =>
3 H2 + N2 = 2 NH3
C2H8 + O2 = CO2 + H2O =>
C2H8 + 4 O2 = 2 CO2 + 4 H2O
C3H8 + O2 = CO2 + H2O =>
C3H8 + 5 O2 = 3 CO2 + 4 H2O
PH3 + O2 = H20 + P4O10 =>
20 PH3 + 25 O2 = 3 H20 + 5 P4O10
NaOH + NiCl2 = NaCl + Ni(OH)2 =>
2 NaOH + NiCl2 = 2 NaCl + Ni(OH)2
MgO + HCl = MgCl + OH =>
MgO + HCl = MgCl + OH
K2Cr2O7 + C = Cr2O3 + K2CO3 + CO2 =>
2 K2Cr2O7 + 3 C = 2 Cr2O3 + 2 K2CO3 + CO2
MgO + HCl = MgCl + OH =>
MgO + HCl = MgCl + OH
Cu + AgNO3 = Cu(NO3)2 + Ag =>
Cu + 2 AgNO3 = Cu(NO3)2 + 2 Ag
NaOH + H2CO3 = Na2CO3 + H2O =>
2 NaOH + H2CO3 = Na2CO3 + 2 H2O
Sb2S3 + OH{-} = SbS2{-} + SbO2{-} + H2O =>
2 Sb2S3 + 4 OH{-} = 3 SbS2{-} + SbO2{-} + 2 H2O
Cu + HCl = CuCl2 + H2 =>
Cu + 2 HCl = CuCl2 + H2
AgBr + NH4OH = Ag(NH3)2Br + H2O =>
AgBr + 2 NH4OH = Ag(NH3)2Br + 2 H2O
ZnO + HNO3 = Zn(NO3)2 + H2O =>
ZnO + 2 HNO3 = Zn(NO3)2 + H2O
NaOH + NaNO2 + Al + H2O = NH3 + NaAlO2 =>
NaOH + NaNO2 + 2 Al + H2O = NH3 + 2 NaAlO2
Fe{2+} + [Fe(CN)6]{3-} = Fe3[Fe(CN)6]2 =>
3 Fe{2+} + 2[Fe(CN)6]{3-} = Fe3[Fe(CN)6]2
C3H7OH(l) + O2(g) = CO2(g) + H2O(g) =>
2 C3H7OH(l) + 9 O2(g) = 6 CO2(g) + 8 H2O(g)
SnCl4 + KI = SnCl2 + I2 + KCl =>
SnCl4 + 2 KI = SnCl2 + I2 + 2 KCl
O2 + H2 = H2O =>
O2 + 2 H2 = 2 H2O
CaO + H3PO4 = Ca3(PO4)2 + H2O =>
3 CaO + 2 H3PO4 = Ca3(PO4)2 + 3 H2O
NaCrO2 + NaOH + Cl2 = Na2CrO4 + NaCl + H2O =>
2 NaCrO2 + 8 NaOH + 3 Cl2 = 2 Na2CrO4 + 6 NaCl + 4 H2O
Na2Cr2O7 + H2SO4 = Na + H3O + HSO4 + Cr2O3 =>
Na2Cr2O7 + 12 H2SO4 = 2 Na + 4 H3O + 12 HSO4 + Cr2O3
H2 + O2 = H2O =>
2 H2 + O2 = 2 H2O
Zn + HCl = ZnCl2 + H2 =>
Zn + 2 HCl = ZnCl2 + H2
Al + KOH + H2O = K[Al(OH)4] + H2 =>
2 Al + 2 KOH + 6 H2O = 2 K[Al(OH)4] + 3 H2
Ca + Cl2 = CaCl =>
2 Ca + Cl2 = 2 CaCl
C2(O4){2-} + Cr2(O7){2-} + H{+} = Cr{3+} + CO2 + H2O =>
3 C2(O4){2-} + Cr2(O7){2-} + 14 H{+} = 2 Cr{3+} + 6 CO2 + 7 H2O
CaCO3(s) + HCl(aq) = CaCl2(aq) + CO2(g) + H2O(l) =>
CaCO3(s) + 2 HCl(aq) = CaCl2(aq) + CO2(g) + H2O(l)
Al4C3 + H2O = CH4 + Al(OH)3 =>
Al4C3 + 12 H2O = 3 CH4 + 4 Al(OH)3
C9H20 + O2 = H2O + CO2 =>
C9H20 + 14 O2 = 10 H2O + 9 CO2
Na2Cr2O7 + H2SO4 = Na2O2 + H3O + HSO4 + Cr2O3 =>
Na2Cr2O7 + 6 H2SO4 = Na2O2 + 2 H3O + 6 HSO4 + Cr2O3
Mg + HCl = H2 + MgCl2 =>
Mg + 2 HCl = H2 + MgCl2
H2O + CH4 = CO + H2 =>
H2O + CH4 = CO + 3 H2
Mg + HCl = MgCl2 + H2 =>
Mg + 2 HCl = MgCl2 + H2
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| Équations équilibrées la veille | Équations équilibrées le lendemain |
Équations équilibrées sur09/24/13
Équations équilibrées sur10/24/12
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