| Équations équilibrées la veille | Équations équilibrées le lendemain |
C2H4O2 + 8 AgOH = 2 CO2 + 8 Ag + 6 H2O
(NH4)2Fe(SO4)2 + CaCO3 = (NH4)2Fe(CO3)2 + CaSO4 =>
(NH4)2Fe(SO4)2 + 2 CaCO3 = (NH4)2Fe(CO3)2 + 2 CaSO4
HgHCl = ClHgH =>
HgHCl = ClHgH
Cu + HNO3 = Cu(NO3)3 + N + H2O =>
5 Cu + 18 HNO3 = 5 Cu(NO3)3 + 3 N + 9 H2O
Me + HNO3 = MeNO3 + H2O + NO =>
3 Me + 4 HNO3 = 3 MeNO3 + 2 H2O + NO
CH3COOH + Mn + H2O2 = Mn(CH3COO)2 + H2O =>
2 CH3COOH + Mn + H2O2 = Mn(CH3COO)2 + 2 H2O
AgNO2 + KCrO4 = Ag(CrO4) + K(NO2) =>
AgNO2 + KCrO4 = Ag(CrO4) + K(NO2)
KNO3 + KJ + HCl = NO + J2 + KCl + H2O =>
2 KNO3 + 6 KJ + 8 HCl = 2 NO + 3 J2 + 8 KCl + 4 H2O
CaCl2 + AgI = CaI2 + AgCl =>
CaCl2 + 2 AgI = CaI2 + 2 AgCl
H2O + Cl2 + MnO2 + KOH = MnKO4 + HCl =>
2 H2O + 3 Cl2 + 2 MnO2 + 2 KOH = 2 MnKO4 + 6 HCl
Na3[Co(CN)6] + FeSO4 = Fe3[Co(CN)6]2 + Na2SO4 =>
2 Na3[Co(CN)6] + 3 FeSO4 = Fe3[Co(CN)6]2 + 3 Na2SO4
W + Si = W5Si3 =>
5 W + 3 Si = W5Si3
H2O + N2O5 = HNO3 =>
H2O + N2O5 = 2 HNO3
Na(SO4) = Na + SO4 =>
Na(SO4) = Na + SO4
K2Cr2O7 + H2S + H2SO4 = K2SO4 + Cr2(SO4)3 + H2O =>
4 K2Cr2O7 + 3 H2S + 13 H2SO4 = 4 K2SO4 + 4 Cr2(SO4)3 + 16 H2O
KBr + Cl2 + H2O = KBrO3 + HCl =>
KBr + 3 Cl2 + 3 H2O = KBrO3 + 6 HCl
Cu2SO4 + Na2CO3 = Cu2CO3 + SO4Na2 =>
Cu2SO4 + Na2CO3 = Cu2CO3 + SO4Na2
C18H33NaO2 + HCl = NaCl + C18H34O2 =>
C18H33NaO2 + HCl = NaCl + C18H34O2
Cl2 + Mg(OH)2 = MgCl2 + H2O2 =>
Cl2 + Mg(OH)2 = MgCl2 + H2O2
H2CO3(aq) + NaOH(aq) = Na2CO3(aq) + H2O =>
H2CO3(aq) + 2 NaOH(aq) = Na2CO3(aq) + 2 H2O
Mg(OH)2(s) + HNO3(aq) = Mg(NO3)2(aq) + H2O(l) =>
Mg(OH)2(s) + 2 HNO3(aq) = Mg(NO3)2(aq) + 2 H2O(l)
Ba(NO3) + LiSO4 = BaSO4 + Li(NO3) =>
Ba(NO3) + LiSO4 = BaSO4 + Li(NO3)
H2S + Na(OH) = NaH + H2SO4 =>
H2S + 4 Na(OH) = 4 NaH + H2SO4
Fe(HSO4)3 + CrOHCl2 = Cr2(SO4)3 + FeCl3 + HCl + H2O =>
Fe(HSO4)3 + 2 CrOHCl2 = Cr2(SO4)3 + FeCl3 + HCl + 2 H2O
SrI2 + Na3PO4 = NaI + Sr3(PO4)2 =>
3 SrI2 + 2 Na3PO4 = 6 NaI + Sr3(PO4)2
HClO4 + Al + H2SO4 = Al2(SO4)3 + HCl + H2O =>
3 HClO4 + 8 Al + 12 H2SO4 = 4 Al2(SO4)3 + 3 HCl + 12 H2O
K2[HgI4] + NH3 + KOH = [Hg2ONH2]I + KI + H2O =>
2 K2[HgI4] + NH3 + 3 KOH = [Hg2ONH2]I + 7 KI + 2 H2O
K2Cr2O7 + HCl = Cr2Cl + Cl2 + KCl + H2O =>
2 K2Cr2O7 + 28 HCl = 2 Cr2Cl + 11 Cl2 + 4 KCl + 14 H2O
MnO4 + Cr3 = Mn + Cr2O7 =>
21 MnO4 + 8 Cr3 = 21 Mn + 12 Cr2O7
Ce{4+} + H2C2O4 = Ce{3+} + CO2 + H{+} =>
2 Ce{4+} + H2C2O4 = 2 Ce{3+} + 2 CO2 + 2 H{+}
Ca(ClO)2 + HCl = CaCl2 + Cl2H2O =>
Ca(ClO)2 + 4 HCl = CaCl2 + 2 Cl2H2O
Co(NO3)2(aq) + NaOH = Co(OH)2(s) + NaNO3(aq) =>
Co(NO3)2(aq) + 2 NaOH = Co(OH)2(s) + 2 NaNO3(aq)
Fe2O3 + SO2 = FeS2 + O =>
Fe2O3 + 4 SO2 = 2 FeS2 + 11 O
Rb1 + O2 = Rb2O =>
4 Rb1 + O2 = 2 Rb2O
H2SO3 + ClO3 = S + ClO4 + H2O =>
H2SO3 + 2 ClO3 = S + 2 ClO4 + H2O
Cu(OH)2 + NH3 = CuO + NH3*H2O =>
Cu(OH)2 + NH3 = CuO + NH3*H2O
Ba3(NO3)3 + LiSO4 = BaSO4 + LiNO3 =>
Ba3(NO3)3 + 3 LiSO4 = 3 BaSO4 + 3 LiNO3
C2H5COOH + NH2CH2CH3 = C2H5COOCH3 + NH3CH2 =>
C2H5COOH + NH2CH2CH3 = C2H5COOCH3 + NH3CH2
Ca(OH)2(aq) = CaO + H2O(l) =>
Ca(OH)2(aq) = CaO + H2O(l)
Li2S + HI = LiI + H2S =>
Li2S + 2 HI = 2 LiI + H2S
(NH4)2S + I2 = (NH4)I + S8 =>
8(NH4)2S + 8 I2 = 16(NH4)I + S8
K3[Fe(CN)6] + KSCN = Fe(SCN)3 + K(CN) =>
K3[Fe(CN)6] + 3 KSCN = Fe(SCN)3 + 6 K(CN)
Zn + HNO3 + H2SO4 = ZnSO4 + N2O + H2O =>
4 Zn + 2 HNO3 + 4 H2SO4 = 4 ZnSO4 + N2O + 5 H2O
SO2 + Ag2SO4 + H2O = Ag + H2SO4 =>
SO2 + Ag2SO4 + 2 H2O = 2 Ag + 2 H2SO4
NH4NO3 + NiCl2 = NH4Cl + Ni(NO3)2 =>
2 NH4NO3 + NiCl2 = 2 NH4Cl + Ni(NO3)2
FeS + Cl2 = FeCl32S =>
FeS + 16 Cl2 = FeCl32S
K2CO3 + Pb(ClO3)4 = Pb(CO3)2 + KClO3 =>
2 K2CO3 + Pb(ClO3)4 = Pb(CO3)2 + 4 KClO3
Cl2 + NH3 = N2H4 + NH4Cl =>
Cl2 + 4 NH3 = N2H4 + 2 NH4Cl
Mn(NO3)2 + PbO2 + HNO3 = HMnO4 + Pb(NO3)2 + H2O =>
2 Mn(NO3)2 + 5 PbO2 + 6 HNO3 = 2 HMnO4 + 5 Pb(NO3)2 + 2 H2O
Mg(s) + H3PO4 = Mg3(PO4)2(s) + H2(g) =>
3 Mg(s) + 2 H3PO4 = Mg3(PO4)2(s) + 3 H2(g)
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Équations équilibrées sur12/21/24
Équations équilibrées sur01/20/24
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