| Équations équilibrées la veille |
Zn(OH)2 + 2 KOH = K2ZnO2 + 2 H2O
C5H12 + O2 = CO2 + H2O =>
C5H12 + 8 O2 = 5 CO2 + 6 H2O
NaOH + H3PO4 = Na3PO4 + H2O =>
3 NaOH + H3PO4 = Na3PO4 + 3 H2O
H3PO2 + BiCl3 + H2O = H3PO4 + Bi + HCl =>
3 H3PO2 + 4 BiCl3 + 6 H2O = 3 H3PO4 + 4 Bi + 12 HCl
Mn2S3 = Mn + S8 =>
8 Mn2S3 = 16 Mn + 3 S8
K2S + K2MnO4 + HCl = S + KCl + MnCl2 + H2O =>
2 K2S + K2MnO4 + 8 HCl = 2 S + 6 KCl + MnCl2 + 4 H2O
CH3COOH + CaCO3 = CaCOOH + CO2 + H2O =>
3 CH3COOH + 8 CaCO3 = 8 CaCOOH + 6 CO2 + 2 H2O
HNO3 + Si(OH)2 = Si(NO3)2 + H2O =>
2 HNO3 + Si(OH)2 = Si(NO3)2 + 2 H2O
H2S + HCl = H2 + S2Cl2 =>
2 H2S + 2 HCl = 3 H2 + S2Cl2
FeCl3 + KJ = FeCl2 + J2 + KCl =>
2 FeCl3 + 2 KJ = 2 FeCl2 + J2 + 2 KCl
Na2SO3 + K2S = Na2S + K2SO3 =>
Na2SO3 + K2S = Na2S + K2SO3
Al2C3 + O2 = Al2O3 + CO2 =>
2 Al2C3 + 9 O2 = 2 Al2O3 + 6 CO2
COOHCOOH + C2H5OH = COOC2H5 + H2O =>
COOHCOOH + 2 C2H5OH = 2 COOC2H5 + 2 H2O
PbNO3 + NH4CrO4 = PbCrO4 + NH4NO3 =>
PbNO3 + NH4CrO4 = PbCrO4 + NH4NO3
C2H2O4 + KOH = K2C2O4 + H2O =>
C2H2O4 + 2 KOH = K2C2O4 + 2 H2O
AlCl3 + Sn2O4 = Al2O3 + SnCl4 =>
8 AlCl3 + 3 Sn2O4 = 4 Al2O3 + 6 SnCl4
CaCl2 + CO3 = CaCO3 + Cl2 =>
CaCl2 + CO3 = CaCO3 + Cl2
SrSO4 + NH4HCO3 = SrCO3 + (NH4)2SO4 + CO2 + H2O =>
SrSO4 + 2 NH4HCO3 = SrCO3 + (NH4)2SO4 + CO2 + H2O
Ae + Cl2 = AeCl =>
2 Ae + Cl2 = 2 AeCl
FeO + HNO3 = Fe(NO3)2 + H2O =>
FeO + 2 HNO3 = Fe(NO3)2 + H2O
C10H8O + FeCl3 = Fe(OC10H7)3 + HCl =>
3 C10H8O + FeCl3 = Fe(OC10H7)3 + 3 HCl
FeO + SO2 = Fe2S2 + O2 =>
2 FeO + 2 SO2 = Fe2S2 + 3 O2
Mg(NO3)2 + Na3Po4 = Mg3(Po4)2 + NaNO3 =>
3 Mg(NO3)2 + 2 Na3Po4 = Mg3(Po4)2 + 6 NaNO3
C5H9O + O2 = CO2 + H2O =>
4 C5H9O + 27 O2 = 20 CO2 + 18 H2O
C12H22O11(s) + H2O(l) = C2H5OH(aq) + CO2(g) =>
C12H22O11(s) + H2O(l) = 4 C2H5OH(aq) + 4 CO2(g)
CH3COOH + CaCO3 = CaCOOH + CO2 + H2O =>
3 CH3COOH + 8 CaCO3 = 8 CaCOOH + 6 CO2 + 2 H2O
FeCl2 + Br2 = FeBr2 + Cl =>
FeCl2 + Br2 = FeBr2 + 2 Cl
KMnO4 + H2SO4 = K2SO4 + MnSO4 + O + H2O =>
2 KMnO4 + 3 H2SO4 = K2SO4 + 2 MnSO4 + 5 O + 3 H2O
Al2C3 + O2 = Al2O3 + CO2 =>
2 Al2C3 + 9 O2 = 2 Al2O3 + 6 CO2
Pb + Al2O3 = PbO + Al =>
3 Pb + Al2O3 = 3 PbO + 2 Al
Cu{+1) = Cu{+2}+Cu =>
2 Cu{+1) = Cu{+2}+Cu
Mg + H{3+}PO{4} = Mg{3}(PO{4}) + H{2} =>
Mg + 3 H{3+}PO{4} = Mg{3}(PO{4}) + 3 H{2}
Ae + Cl2 = AeCl =>
2 Ae + Cl2 = 2 AeCl
Ba(HCO3)2 = BaCO3 + CO2 + H2O =>
Ba(HCO3)2 = BaCO3 + CO2 + H2O
Na2SO3 + K2S = Na2S + K2SO3 =>
Na2SO3 + K2S = Na2S + K2SO3
Fe + Cu2{+} = Fe2{+} + Cu =>
2 Fe + Cu2{+} = Fe2{+} + 2 Cu
H2C2O4(H2O)2 + NH3 = (NH4)2C2O4 + H2O =>
H2C2O4(H2O)2 + 2 NH3 = (NH4)2C2O4 + 2 H2O
CO32{-} + NO3{-} + As2Se3 = AsO43{-} + SeO42{-} + NO2{-} + CO2 =>
5 CO32{-} + 62 NO3{-} + As2Se3 = 2 AsO43{-} + 3 SeO42{-} + 62 NO2{-} + 5 CO2
AlNO33 + Na3PO4 = AlPO4 + Na3NO33 =>
AlNO33 + Na3PO4 = AlPO4 + Na3NO33
Ni + HNO3 = Ni(NO3)2 + NO + H2O =>
3 Ni + 8 HNO3 = 3 Ni(NO3)2 + 2 NO + 4 H2O
CH3CH2OH + PI3 = CH3CH2I + P(OH)3 =>
3 CH3CH2OH + PI3 = 3 CH3CH2I + P(OH)3
H2S + HCl = H2 + S2Cl2 =>
2 H2S + 2 HCl = 3 H2 + S2Cl2
Bi{3+} + Fe{3+} + H2O = BiO3{-} + Fe{2+} + H{+}} =>
Bi{3+} + 2 Fe{3+} + 3 H2O = BiO3{-} + 2 Fe{2+} + 6 H{+}}
P2O5 + H2O = H3PO4 =>
P2O5 + 3 H2O = 2 H3PO4
CaO + HCl = Ca2 + Cl + H2O =>
2 CaO + 4 HCl = Ca2 + 4 Cl + 2 H2O
Na2CO3 + HCl + Mg(NO3)2 = MgCl2 + H2CO3 + NaNO3 =>
Na2CO3 + 2 HCl + Mg(NO3)2 = MgCl2 + H2CO3 + 2 NaNO3
Fe(OH)2 + H2SO3 = H2O + FeSO3 =>
Fe(OH)2 + H2SO3 = 2 H2O + FeSO3
NH4 + HCl + H2O = H3O + NH3Cl =>
NH4 + HCl + 2 H2O = 2 H3O + NH3Cl
NaH + H2SO3 = NaHSO3 + H2 =>
NaH + H2SO3 = NaHSO3 + H2
KI + K2Cr2O7 + HCl = I2 + KCl + CrCl3 + H2O =>
6 KI + K2Cr2O7 + 14 HCl = 3 I2 + 8 KCl + 2 CrCl3 + 7 H2O
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