Équations équilibrées la veille | Équations équilibrées le lendemain |
Au + 3 H2SO4 = Au(SO4)3 + 3 H2
CaCO3 + HOH = Ca(OH)2 + H2CO3 =>
CaCO3 + 2 HOH = Ca(OH)2 + H2CO3
(BiO)OH = Bi2O3 + H2O =>
2(BiO)OH = Bi2O3 + H2O
HCl + Ra = H + RaCl =>
HCl + Ra = H + RaCl
HFl + Ca(OH)2 = CaFl2 + H2O =>
2 HFl + Ca(OH)2 = CaFl2 + 2 H2O
Li2S + Ag(NO3) = LiNO3 + Ag2S =>
Li2S + 2 Ag(NO3) = 2 LiNO3 + Ag2S
MgBr + HCo3 = MgCo3 + HBr =>
MgBr + HCo3 = MgCo3 + HBr
Fe(OH)3 + HCl = FeCl3 + H2O =>
Fe(OH)3 + 3 HCl = FeCl3 + 3 H2O
C2H2 + O2 = CO2 + H2O =>
2 C2H2 + 5 O2 = 4 CO2 + 2 H2O
NHO3 + NaOH = H2O + NaNO3 =>
NHO3 + NaOH = H2O + NaNO3
I2O5(s) + CO(s) = I2(s) + CO2(g) =>
I2O5(s) + 5 CO(s) = I2(s) + 5 CO2(g)
Cr + MgSO4 = CrSO4 + Mg =>
Cr + MgSO4 = CrSO4 + Mg
N2H8CO3 = NH3 + CO2 + H2O =>
N2H8CO3 = 2 NH3 + CO2 + H2O
Ba + H2SO4 = BaSO4 + H2 =>
Ba + H2SO4 = BaSO4 + H2
CH3Br + Na = C2H6 + NaBr =>
2 CH3Br + 2 Na = C2H6 + 2 NaBr
MgO = Mg + O2 =>
2 MgO = 2 Mg + O2
Na3PO4 + NiSO4 = Na3SO4 + NiPO4 =>
Na3PO4 + NiSO4 = Na3SO4 + NiPO4
Al2O3 + SO3 = Al2(SO4)3 =>
Al2O3 + 3 SO3 = Al2(SO4)3
Ca(HS)2 + H2SO4 = CaSO4 + H2S =>
Ca(HS)2 + H2SO4 = CaSO4 + 2 H2S
C6H6 + O2 = CO2 + H2O =>
2 C6H6 + 15 O2 = 12 CO2 + 6 H2O
HCl + Cu = CuCl2 + H2 =>
2 HCl + Cu = CuCl2 + H2
NaOH + Pb(ClO3)2 = NaClO3 + Pb(OH)2 =>
2 NaOH + Pb(ClO3)2 = 2 NaClO3 + Pb(OH)2
CuSO4 + NaOH = Cu(OH)2 + Na2SO4 =>
CuSO4 + 2 NaOH = Cu(OH)2 + Na2SO4
C6H5N2O4 + O2 = H2O + CO2 + NO2 =>
4 C6H5N2O4 + 29 O2 = 10 H2O + 24 CO2 + 8 NO2
C3H8 + I2 = C3H7I + HI =>
C3H8 + I2 = C3H7I + HI
NaCl(aq) = Na + Cl2 =>
2 NaCl(aq) = 2 Na + Cl2
HgF2 = Hg + F =>
HgF2 = Hg + 2 F
C2H2 + AgNO3 + NH4OH = Ag2C2 + H2OH + NH4NO3 =>
9 C2H2 + 18 AgNO3 + 22 NH4OH = 9 Ag2C2 + 16 H2OH + 20 NH4NO3
H3MoO4 + NH4Cl + HCl = (NH4)3MoCl6 + HNO3 + H2O =>
4 H3MoO4 + 13 NH4Cl + 11 HCl = 4(NH4)3MoCl6 + HNO3 + 13 H2O
Fe(SO4)3 + KI = FeSO4 + I2 + K2SO4 =>
Fe(SO4)3 + 4 KI = FeSO4 + 2 I2 + 2 K2SO4
N(NO3)2 + NaOH = N(OH)2 + NaNO3 =>
N(NO3)2 + 2 NaOH = N(OH)2 + 2 NaNO3
I6 = I2 =>
I6 = 3 I2
Sn(OH)2 + NaOH = Na(Sn(OH)3) =>
Sn(OH)2 + NaOH = Na(Sn(OH)3)
KCl + FeSO4 = KSO4 + FeCl =>
KCl + FeSO4 = KSO4 + FeCl
Fe + Cl2 = FeCl3 =>
2 Fe + 3 Cl2 = 2 FeCl3
C2H5NH3Br + NaOH = H2O + NaBr + C2H5NH2 =>
C2H5NH3Br + NaOH = H2O + NaBr + C2H5NH2
MgSO4 + NaCI = NaSO4 + MgCI =>
MgSO4 + NaCI = NaSO4 + MgCI
CH3CH2CH2CH2CH2Cl + KOCH(CH3)2 = CH3CH2CH2CH2CH2OCH(CH3)2 + KCl =>
CH3CH2CH2CH2CH2Cl + KOCH(CH3)2 = CH3CH2CH2CH2CH2OCH(CH3)2 + KCl
C6H8N2 + NH4ClO4 = C6H8N2*HClO4 + NH3 =>
C6H8N2 + NH4ClO4 = C6H8N2*HClO4 + NH3
Bi2O3 + HCl = H2O + BiCl3 =>
Bi2O3 + 6 HCl = 3 H2O + 2 BiCl3
PbCO3(s) = CO2(g) + PbO(s) =>
PbCO3(s) = CO2(g) + PbO(s)
Fe2{+} + OH + {-} = Fe(OH)2 =>
Fe2{+} + 4 OH + e = 2 Fe(OH)2
HCHO + K2Cr2O7 + H2SO4 = CH2O2 + Cr2(SO4)3 + K2SO4 + H2O =>
3 HCHO + K2Cr2O7 + 4 H2SO4 = 3 CH2O2 + Cr2(SO4)3 + K2SO4 + 4 H2O
NH3 + Mg(NO3)2 = H3(NO3)3 + Mg3N2 =>
2 NH3 + 3 Mg(NO3)2 = 2 H3(NO3)3 + Mg3N2
H3PO4 + ZnO = Zn(H2PO4)2 + H2O =>
2 H3PO4 + ZnO = Zn(H2PO4)2 + H2O
H2 + Ca + O2 = Ca(OH)2 =>
H2 + Ca + O2 = Ca(OH)2
Au + H2CO3 = AuCO3 + H2 =>
Au + H2CO3 = AuCO3 + H2
NaNO3 + HF = NaF + HNO3 =>
NaNO3 + HF = NaF + HNO3
NH3 + K2[HgI4] + NaOH = [Hg2N]I + NaI + KI + H2O =>
NH3 + 2 K2[HgI4] + 3 NaOH = [Hg2N]I + 3 NaI + 4 KI + 3 H2O
Fe2O3 + Zn = Fe + ZnO3 =>
Fe2O3 + Zn = 2 Fe + ZnO3
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