| Équations équilibrées la veille |
NaHCO3 + HCl = NaCl + H2CO3
P4O10 + H2O = H3PO4 =>
P4O10 + 6 H2O = 4 H3PO4
C2H6O2 + HNO3 = C2H2O4 + NO2 + H2O =>
C2H6O2 + 8 HNO3 = C2H2O4 + 8 NO2 + 6 H2O
I2 + NH3 = NH4 + NI =>
I2 + 8 NH3 = 6 NH4 + 2 NI
CrOH4{-} + H2O2 + OH{-} = CrO4{2-} + H2O =>
2 CrOH4{-} + 9 H2O2 + 2 OH{-} = 2 CrO4{2-} + 14 H2O
CH4(g) + O2(g) = H2O + CO2 =>
CH4(g) + 2 O2(g) = 2 H2O + CO2
CH3CH3 + O2 = CO2 + H2O =>
2 CH3CH3 + 7 O2 = 4 CO2 + 6 H2O
S2 + H2 = HHS =>
S2 + 2 H2 = 2 HHS
Fe + O2 = Fe2O3 =>
4 Fe + 3 O2 = 2 Fe2O3
HCl + S = Cl2 + H2S =>
2 HCl + S = Cl2 + H2S
(NH4)2CO3(s) = NH3(s) + H2O(g) + CO2 =>
(NH4)2CO3(s) = 2 NH3(s) + H2O(g) + CO2
P + Ca = CaP2 =>
2 P + Ca = CaP2
CsOH + Fe2O3 = Cs2O + Fe(OH)3 =>
6 CsOH + Fe2O3 = 3 Cs2O + 2 Fe(OH)3
HgS(s) = Hg(s) + S(s) =>
HgS(s) = Hg(s) + S(s)
CH3COOC2H5(l) + H2O(l) = CH3COOH(l) + C2H5OH =>
CH3COOC2H5(l) + H2O(l) = CH3COOH(l) + C2H5OH
CH3CH2COOH + Cl2 = CH3CCl2COOH + HCl =>
CH3CH2COOH + 2 Cl2 = CH3CCl2COOH + 2 HCl
V(OH)5 + H2S = V2(S)5 + H2O =>
2 V(OH)5 + 5 H2S = V2(S)5 + 10 H2O
SbCl3 + HCl + Zn = ZnCl2 + SbH2 =>
2 SbCl3 + 4 HCl + 5 Zn = 5 ZnCl2 + 2 SbH2
Cl2(excess) + NaOH = NaCl + NaClO3 + H2O =>
3 Cl2(excess) + 6 NaOH = 5 NaCl + NaClO3 + 3 H2O
Cl2 + NaBr = NaCl + Br2 =>
Cl2 + 2 NaBr = 2 NaCl + Br2
NaClO3 = NaCl + O2 =>
2 NaClO3 = 2 NaCl + 3 O2
KMnO4(s) + HCl(ac) = KCl(ac) + MnCl2(ac) + H2O(l) + Cl2(g) =>
2 KMnO4(s) + 16 HCl(ac) = 2 KCl(ac) + 2 MnCl2(ac) + 8 H2O(l) + 5 Cl2(g)
Ca + Pb(NO3)2 = Pb + Ca(NO3)2 =>
Ca + Pb(NO3)2 = Pb + Ca(NO3)2
Al + Cl2 = AlCl3 =>
2 Al + 3 Cl2 = 2 AlCl3
Al + Br2 = Al2Br =>
4 Al + Br2 = 2 Al2Br
FeSO4 + K2O = FeO + K2SO4 =>
FeSO4 + K2O = FeO + K2SO4
Fe(OH)2(s) + CrO4{2-}(aq) = Fe2O3(s) + Cr(OH)4{-}(aq) + H2O(l) + OH{-}(aq) =>
6 Fe(OH)2(s) + 2 CrO4{2-}(aq) = 3 Fe2O3(s) + 2 Cr(OH)4{-}(aq) + H2O(l) + 2 OH{-}(aq)
CH3CHC(CH3)CH3 + KMnO4 + H2O = MnO2 + CH3CH(OH)C(OH)(CH3)CH3 + KOH =>
3 CH3CHC(CH3)CH3 + 2 KMnO4 + 4 H2O = 2 MnO2 + 3 CH3CH(OH)C(OH)(CH3)CH3 + 2 KOH
FeS2 + O2 = Fe2O3 + SO2 =>
4 FeS2 + 11 O2 = 2 Fe2O3 + 8 SO2
Al(OH)3 + H2SO4 = Al2(SO4)3 + H2O =>
2 Al(OH)3 + 3 H2SO4 = Al2(SO4)3 + 6 H2O
AgNO3 + NaCl = AgCl + NaNO3 =>
AgNO3 + NaCl = AgCl + NaNO3
Mg(NO3)2 = MgO + N2O5 =>
Mg(NO3)2 = MgO + N2O5
C2H6 + O2 = CO2 + H2O =>
2 C2H6 + 7 O2 = 4 CO2 + 6 H2O
Na2CO3 + MnO2 + NaClO3 = Na2MnO4 + NaCl + CO2 =>
3 Na2CO3 + 3 MnO2 + NaClO3 = 3 Na2MnO4 + NaCl + 3 CO2
SiCl4(i) + O2(i) = SiO2(s) + Cl2(g) =>
SiCl4(i) + O2(i) = SiO2(s) + 2 Cl2(g)
Pb(NO3)2 + ZnO = PbO + Zn(NO3)2 =>
Pb(NO3)2 + ZnO = PbO + Zn(NO3)2
Al2(SO4)3 + BaBr2 = AlBr3 + BaSO4 =>
Al2(SO4)3 + 3 BaBr2 = 2 AlBr3 + 3 BaSO4
(Cr(O2)4)3{-} + H{+} = Cr + O2 + H2O =>
4(Cr(O2)4)3{-} + 4 H{+} = 12 Cr + 47 O2 + 2 H2O
CrCl3 + Na(OH)2 = Cr(OH)2 + NaCl3 =>
CrCl3 + Na(OH)2 = Cr(OH)2 + NaCl3
C2H6 + O2 = CO2 + H2O =>
2 C2H6 + 7 O2 = 4 CO2 + 6 H2O
N2 + H2 = NH3 =>
N2 + 3 H2 = 2 NH3
Al + O2 = Al2O3 =>
4 Al + 3 O2 = 2 Al2O3
MnSO4(H2O) + H2SO4 = MnH2(SO4)2 + H2O =>
MnSO4(H2O) + H2SO4 = MnH2(SO4)2 + H2O
Mg + O2 = MgO =>
2 Mg + O2 = 2 MgO
N2 + H2 = NH3 =>
N2 + 3 H2 = 2 NH3
Na2Cr2O7 + Cu2O + H2O = Cu(OH)2 + Cr(OH)3 + NaOH =>
Na2Cr2O7 + 3 Cu2O + 10 H2O = 6 Cu(OH)2 + 2 Cr(OH)3 + 2 NaOH
KNO2 + NH4Br = KBr + NH4NO2 =>
KNO2 + NH4Br = KBr + NH4NO2
K2Cr2O7 + Na2SO3 + NaOH = Na2SO4 + K2CrO4 + Na2CrO4 + H2 =>
K2Cr2O7 + Na2SO3 + 2 NaOH = Na2SO4 + K2CrO4 + Na2CrO4 + H2
CaCO3 + H2SO4 = CaSO4 + H2O + CO2 =>
CaCO3 + H2SO4 = CaSO4 + H2O + CO2
Co{2+} + O2 + H{+} = Co{3+} + H2O =>
4 Co{2+} + O2 + 4 H{+} = 4 Co{3+} + 2 H2O
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Équations équilibrées sur01/06/25
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