| Équations équilibrées la veille | Équations équilibrées le lendemain |
C7H8O2 + 8 O2 = 7 CO2 + 4 H2O
SnO2 + C = Sn + CO =>
SnO2 + 2 C = Sn + 2 CO
Na + O2 = Na2O2 =>
2 Na + O2 = Na2O2
N2 + H2 = NH3 =>
N2 + 3 H2 = 2 NH3
Li2O + H2O = LiOH =>
Li2O + H2O = 2 LiOH
P4O10 + H2O = H3PO4 =>
P4O10 + 6 H2O = 4 H3PO4
CaCO3 + HCl = CaCl3 + H3O + CO2 =>
CaCO3 + 3 HCl = CaCl3 + H3O + CO2
H + Cl = HCl =>
H + Cl = HCl
BaCl2 + H2SO4 = BaSO4 + HCl =>
BaCl2 + H2SO4 = BaSO4 + 2 HCl
Na + O2 = Na2O2 =>
2 Na + O2 = Na2O2
BaO + H2O = Ba(OH)2 =>
BaO + H2O = Ba(OH)2
Na2CO3 + C + N2 = NaCN + CO =>
Na2CO3 + 4 C + N2 = 2 NaCN + 3 CO
K2CrO4 + AgNO3 = Ag2CrO4 + KNO3 =>
K2CrO4 + 2 AgNO3 = Ag2CrO4 + 2 KNO3
Co(OH)2 + HBr = CoBr2 + H2O =>
Co(OH)2 + 2 HBr = CoBr2 + 2 H2O
CH3(CH2)2CH3 + O2 = CO2 + H2O =>
2 CH3(CH2)2CH3 + 13 O2 = 8 CO2 + 10 H2O
Hg + O2 = HgO =>
2 Hg + O2 = 2 HgO
CH3OH + O2 = CO2 + H2O =>
2 CH3OH + 3 O2 = 2 CO2 + 4 H2O
Cu2S + HNO3 = Cu(NO3)2 + H2SO4 + NO + H2O =>
3 Cu2S + 22 HNO3 = 6 Cu(NO3)2 + 3 H2SO4 + 10 NO + 8 H2O
CH4 + O2 = CO2 + H20 =>
5 CH4 + 5 O2 = 5 CO2 + H20
FeCl3 + AgNO3 = Fe(NO3)3 + AgCl =>
FeCl3 + 3 AgNO3 = Fe(NO3)3 + 3 AgCl
C5H11OH + O2 = CO2 + H2O =>
2 C5H11OH + 15 O2 = 10 CO2 + 12 H2O
Zn + NO3{-} + H2O + OH{-} = [Zn(OH)4]{2-} + NH3 =>
4 Zn + NO3{-} + 6 H2O + 7 OH{-} = 4[Zn(OH)4]{2-} + NH3
Ag2O = Ag + O2 =>
2 Ag2O = 4 Ag + O2
Al + S + O2 = Al2(SO4)3 =>
2 Al + 3 S + 6 O2 = Al2(SO4)3
Au(CN)2 + Zn(s) = Zn(CN)42 + Au(s) =>
21 Au(CN)2 + Zn(s) = Zn(CN)42 + 21 Au(s)
Fe + HCl = FeCl2 + H2 =>
Fe + 2 HCl = FeCl2 + H2
NaOH + Cl2 = NaClO3 + NaCl + H2O =>
6 NaOH + 3 Cl2 = NaClO3 + 5 NaCl + 3 H2O
Zn(OH)2 + HCl = ZnCl2 + H2O =>
Zn(OH)2 + 2 HCl = ZnCl2 + 2 H2O
Fe + HCl = FeCl2 + H2 =>
Fe + 2 HCl = FeCl2 + H2
Al + CuO = Al2O3 + Cu =>
2 Al + 3 CuO = Al2O3 + 3 Cu
NaOH + H2SO4 = H2O + Na2SO4 =>
2 NaOH + H2SO4 = 2 H2O + Na2SO4
Pb(NO3)2 = PbO + O2 + NO2 =>
2 Pb(NO3)2 = 2 PbO + O2 + 4 NO2
H2O2 = O2 + H2O =>
2 H2O2 = O2 + 2 H2O
CuCl2 + NaOH = Cu(OH)2 + NaCl =>
CuCl2 + 2 NaOH = Cu(OH)2 + 2 NaCl
Cu + O2 = CuO =>
2 Cu + O2 = 2 CuO
SO2 + O2 = SO3 =>
2 SO2 + O2 = 2 SO3
KClO3 = KCl + O2 =>
2 KClO3 = 2 KCl + 3 O2
K2CO3(aq) + HClO4(aq) = KClO4 + CO2 + H2O =>
K2CO3(aq) + 2 HClO4(aq) = 2 KClO4 + CO2 + H2O
HClO4 + P4O10 = H3PO4 + Cl2O7 =>
12 HClO4 + P4O10 = 4 H3PO4 + 6 Cl2O7
Ca(OH)2 + SO2 = CaSO4 + H2 =>
Ca(OH)2 + SO2 = CaSO4 + H2
H2 + Fe2O3 = Fe + H2O =>
3 H2 + Fe2O3 = 2 Fe + 3 H2O
KMnO4 + NO2 + H2O = MnO2 + KNO3 + HNO3 =>
KMnO4 + 3 NO2 + H2O = MnO2 + KNO3 + 2 HNO3
K2SeO3 + KI + H2O = Se + I2 + KOH =>
K2SeO3 + 4 KI + 3 H2O = Se + 2 I2 + 6 KOH
C3H8 + O2 = CO2 + H2O =>
C3H8 + 5 O2 = 3 CO2 + 4 H2O
Fe + O2 = Fe2O3 =>
4 Fe + 3 O2 = 2 Fe2O3
C8H18(g) + O2(g) = CO2(g) + H2O(g) =>
2 C8H18(g) + 25 O2(g) = 16 CO2(g) + 18 H2O(g)
NaBr + Cl2 = NaCl + Br2 =>
2 NaBr + Cl2 = 2 NaCl + Br2
CaCl2 + Na2HPO4 = CaHPO4 + NaCl =>
CaCl2 + Na2HPO4 = CaHPO4 + 2 NaCl
KMnO4 + NO2 + H2O = MnO2 + KNO3 + HNO3 =>
KMnO4 + 3 NO2 + H2O = MnO2 + KNO3 + 2 HNO3
BaCl2 + Na2SO4 = BaSO4 + NaCl =>
BaCl2 + Na2SO4 = BaSO4 + 2 NaCl
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| Équations équilibrées la veille | Équations équilibrées le lendemain |
Équations équilibrées sur08/18/13
Équations équilibrées sur09/17/12
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