| Équations équilibrées la veille | Équations équilibrées le lendemain |
CaCO3 = CO2 + CaO
Cr(NO2)2 + (NH4)2SO4 = CrSO4 + NH4NO2 =>
Cr(NO2)2 + (NH4)2SO4 = CrSO4 + 2 NH4NO2
H2O2 = H2O + O2 =>
2 H2O2 = 2 H2O + O2
H2 + I2 = H2I =>
2 H2 + I2 = 2 H2I
Iron + water = Fe3O4 + hydrogen =>
3 Fe + 4 H2O = Fe3O4 + 4 H2
NaOH + H2So4 = Na2So4 + H2O =>
2 NaOH + H2So4 = Na2So4 + 2 H2O
BaO + SO3 = BaSO4 =>
BaO + SO3 = BaSO4
Fe(s) + S8(s) = FeS(s) =>
8 Fe(s) + S8(s) = 8 FeS(s)
Pb + O2 = PbO =>
2 Pb + O2 = 2 PbO
N2 + O2 = NO2 =>
N2 + 2 O2 = 2 NO2
CS2 + F2 = CF4 + S =>
CS2 + 2 F2 = CF4 + 2 S
HI = H2 + I2 =>
2 HI = H2 + I2
HBr + NaOH = NaBr + H2O =>
HBr + NaOH = NaBr + H2O
C2H12O6 + O2 = CO2 + H2O =>
C2H12O6 + 2 O2 = 2 CO2 + 6 H2O
H2O + Na = NaOH + H2 =>
2 H2O + 2 Na = 2 NaOH + H2
KClO3 + HBr = Br2 + KCl + H2O =>
KClO3 + 6 HBr = 3 Br2 + KCl + 3 H2O
NH3 + O2 = NO2 + H2O =>
4 NH3 + 7 O2 = 4 NO2 + 6 H2O
CF4 + Br2 = CBr4 + F2 =>
CF4 + 2 Br2 = CBr4 + 2 F2
Al2(SO3)3 + K2S = Al2S3 + K2SO3 =>
Al2(SO3)3 + 3 K2S = Al2S3 + 3 K2SO3
K + F = KF =>
K + F = KF
H2SO4 + NaOH = Na2SO4 + H2O =>
H2SO4 + 2 NaOH = Na2SO4 + 2 H2O
C4H10 + O2 = CO2 + H2O =>
2 C4H10 + 13 O2 = 8 CO2 + 10 H2O
(NH4)2Cr2O7 = N2 + Cr2O3 + H2O =>
(NH4)2Cr2O7 = N2 + Cr2O3 + 4 H2O
S + O2 = SO3 =>
2 S + 3 O2 = 2 SO3
AgCuS + HNO3 = AgNO3 + S + Cu(NO3)2 + H2O + NO2 =>
AgCuS + 6 HNO3 = AgNO3 + S + Cu(NO3)2 + 3 H2O + 3 NO2
N2 + O2 = NO =>
N2 + O2 = 2 NO
BaO + H2O = Ba(OH)2 =>
BaO + H2O = Ba(OH)2
Mo2(C2O4)5 + Pb3N4 = Pb(C2O4)2 + Mo3N5 =>
6 Mo2(C2O4)5 + 5 Pb3N4 = 15 Pb(C2O4)2 + 4 Mo3N5
S + O2 = SO3 =>
2 S + 3 O2 = 2 SO3
Mg + P4 = Mg3P2 =>
6 Mg + P4 = 2 Mg3P2
Fe(s) + S8(s) = FeS(s) =>
8 Fe(s) + S8(s) = 8 FeS(s)
H{+} + Cr2O7{2-} + C2H5OH = Cr{3+} + C2H4O + H2O =>
8 H{+} + Cr2O7{2-} + 3 C2H5OH = 2 Cr{3+} + 3 C2H4O + 7 H2O
Cu(NO3)2(aq) + NaCl(aq) = CuCl2 + NaNO3 =>
Cu(NO3)2(aq) + 2 NaCl(aq) = CuCl2 + 2 NaNO3
Fe2 + O2 = FeO =>
Fe2 + O2 = 2 FeO
C + H2 + O2 = C2H6O =>
4 C + 6 H2 + O2 = 2 C2H6O
SO3 + H2O = H2SO4 =>
SO3 + H2O = H2SO4
Al(BrO3)3 + Cu(NO3)2 = Al(NO3)3 + Cu(BrO3)2 =>
2 Al(BrO3)3 + 3 Cu(NO3)2 = 2 Al(NO3)3 + 3 Cu(BrO3)2
Sn + HNO3 = SnO2 + NO2 + H2O =>
Sn + 4 HNO3 = SnO2 + 4 NO2 + 2 H2O
HCl + Zn = ZnCl + H =>
HCl + Zn = ZnCl + H
NaOH + H2SO4 = Na2SO4 + H2O =>
2 NaOH + H2SO4 = Na2SO4 + 2 H2O
NaBr + Cl2 = NaCl + Br2 =>
2 NaBr + Cl2 = 2 NaCl + Br2
NO + O2 = NO2 =>
2 NO + O2 = 2 NO2
As4S6(s) + O2(g) = As4O6(s) + SO2(g) =>
As4S6(s) + 9 O2(g) = As4O6(s) + 6 SO2(g)
CaCO3 = CaO + CO2 =>
CaCO3 = CaO + CO2
Fe + O2 = FeO =>
2 Fe + O2 = 2 FeO
H2SO4 + NaCl = Na2SO4 + HCl =>
H2SO4 + 2 NaCl = Na2SO4 + 2 HCl
N + O = N2O5 =>
2 N + 5 O = N2O5
Fe + O2 = Fe2O3 =>
4 Fe + 3 O2 = 2 Fe2O3
HNO3 + Cu = Cu(NO3)2 + H2O + NO =>
8 HNO3 + 3 Cu = 3 Cu(NO3)2 + 4 H2O + 2 NO
C5H12O + O2 = CO2 + H2O =>
2 C5H12O + 15 O2 = 10 CO2 + 12 H2O
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| Équations équilibrées la veille | Équations équilibrées le lendemain |
Équations équilibrées sur11/13/17
Équations équilibrées sur12/13/16
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