| Équations équilibrées la veille | Équations équilibrées le lendemain |
2 Ba + Cr2O7 + H2O = 2 BaCrO4 + 2 H
KOH + H20SO4 = H2O + K20SO4 =>
20 KOH + H20SO4 = 20 H2O + K20SO4
MgCO3 + KOH = KCO3 + MgOH =>
MgCO3 + KOH = KCO3 + MgOH
P4O + O2 = P2O5 =>
2 P4O + 9 O2 = 4 P2O5
ZnO + KOH = K + ZnO2 + H2O =>
ZnO + 2 KOH = 2 K + ZnO2 + H2O
SO3{2-} + Co(OH)2 = Co + SO4{2-} + H =>
2 SO3{2-} + Co(OH)2 = Co + 2 SO4{2-} + 2 H
C2H4F2 + O2 = CO + H2O + HF =>
2 C2H4F2 + 3 O2 = 4 CO + 2 H2O + 4 HF
Cr2(SO4)3 + NaOH = Na3(Cr(OH)6) + Na2SO4 =>
Cr2(SO4)3 + 12 NaOH = 2 Na3(Cr(OH)6) + 3 Na2SO4
NaCl + AgNO3 + H2SO4 = AgCl + Na2SO4 + HNO3 =>
2 NaCl + 2 AgNO3 + H2SO4 = 2 AgCl + Na2SO4 + 2 HNO3
ZiNO3 = ZiNO2 + O2 =>
2 ZiNO3 = 2 ZiNO2 + O2
CH3COOH + CaCO3 = (CH3COO)2Ca + CO2 + H2O =>
2 CH3COOH + CaCO3 = (CH3COO)2Ca + CO2 + H2O
Ni + H2CO3 = Ni2(CO3)2 + H2 =>
2 Ni + 2 H2CO3 = Ni2(CO3)2 + 2 H2
Fe2(SO4) + Cu = CuSO4 + Fe =>
Fe2(SO4) + Cu = CuSO4 + 2 Fe
CaCO3 + HBr = HCO3 + CaBr =>
CaCO3 + HBr = HCO3 + CaBr
C26H30O10Ni + H2O2 = C10H10O3 + Ni(CH3COO)4 + H2O =>
5 C26H30O10Ni + 17 H2O2 = 9 C10H10O3 + 5 Ni(CH3COO)4 + 17 H2O
As2S5 + NO3{-} + H2O = AsO4{3-} + SO4{2-} + NO + H3O{+} =>
3 As2S5 + 40 NO3{-} + 12 H2O = 6 AsO4{3-} + 15 SO4{2-} + 40 NO + 8 H3O{+}
CuSO4*5H2O + MgCl2 = MgSO4 + CuCl2 + H2O =>
CuSO4*5H2O + MgCl2 = MgSO4 + CuCl2 + 5 H2O
PH3 + NO = H3 + PO4 + N2 =>
PH3 + 4 NO = H3 + PO4 + 2 N2
NH4Br = BrNH4 =>
NH4Br = BrNH4
Mn{2+} + H3O{+} + BiO3{-} = MnO4{-} + Bi{3+} + H2O =>
2 Mn{2+} + 14 H3O{+} + 5 BiO3{-} = 2 MnO4{-} + 5 Bi{3+} + 21 H2O
MnSO4 + NaBiO3 + HNO3 = HMnO4 + Bi(NO3)3 + Na2SO4 + NaNO3 + H2O =>
2 MnSO4 + 5 NaBiO3 + 16 HNO3 = 2 HMnO4 + 5 Bi(NO3)3 + 2 Na2SO4 + NaNO3 + 7 H2O
Hg + OH = HgO + H2O =>
Hg + 2 OH = HgO + H2O
SnCl4 + Pb(NO3)2 = Sn(NO3)2 + PbCl4 =>
SnCl4 + Pb(NO3)2 = Sn(NO3)2 + PbCl4
C2H2 + H2O = C2H4O =>
C2H2 + H2O = C2H4O
CH3OH + O2 = H3OH + CO2 =>
CH3OH + O2 = H3OH + CO2
Ca(OH)2 + (NH4)2HPO4 = H2O + Ca10(PO4)6(OH)2 + NH4OH =>
10 Ca(OH)2 + 6(NH4)2HPO4 = 6 H2O + Ca10(PO4)6(OH)2 + 12 NH4OH
H{+} + MnO4{-} + FeSO4 = Mn{+2} + Fe{+3} + SO4{-2} + H2O =>
8 H{+} + MnO4{-} + 5 FeSO4 = Mn{+2} + 5 Fe{+3} + 5 SO4{-2} + 4 H2O
ZnSe + O2 = ZnO + Se =>
2 ZnSe + O2 = 2 ZnO + 2 Se
Br2 + H3PO3 = P4 + HBrO2 + H2O =>
2 Br2 + 4 H3PO3 = P4 + 4 HBrO2 + 4 H2O
NaHCO3 + SiO2 = Na2SiO3 + H2O + CO2 =>
2 NaHCO3 + SiO2 = Na2SiO3 + H2O + 2 CO2
Si + HNO3 + HF = H2[SiF6] + NO + H2O =>
3 Si + 4 HNO3 + 18 HF = 3 H2[SiF6] + 4 NO + 8 H2O
CaBr2 + Ag = CaAg + Br =>
CaBr2 + Ag = CaAg + 2 Br
CH3COOH + HNO3 = H2O + CH3CONO3 =>
CH3COOH + HNO3 = H2O + CH3CONO3
Na2SO3 + HNO3 = SO2 + NaNO3 + H2O =>
Na2SO3 + 2 HNO3 = SO2 + 2 NaNO3 + H2O
K(s) + Cl2(g) = KCl(s) =>
2 K(s) + Cl2(g) = 2 KCl(s)
CrCl3 + KOH = KCl + Cr(OH)3 =>
CrCl3 + 3 KOH = 3 KCl + Cr(OH)3
CCl4 + NaOH = Na2CO3 + NaCl + H2O =>
CCl4 + 6 NaOH = Na2CO3 + 4 NaCl + 3 H2O
Fe2(CO3)3 + H2O = Fe2O3 + H2CO3 =>
Fe2(CO3)3 + 3 H2O = Fe2O3 + 3 H2CO3
KHCO3(aq) + HCl(aq) = KCl(aq) + H2O(l) + CO2(g) =>
KHCO3(aq) + HCl(aq) = KCl(aq) + H2O(l) + CO2(g)
Cu(s) + HNO3 = Cu(NO3)2(aq) + NO2(g) + H2O =>
Cu(s) + 4 HNO3 = Cu(NO3)2(aq) + 2 NO2(g) + 2 H2O
C6H5NO2 + Zn + HCl = C6H5NH2 + ZnCl2 + H2O =>
C6H5NO2 + 3 Zn + 6 HCl = C6H5NH2 + 3 ZnCl2 + 2 H2O
Pb(NO3)2 + CH3COONa = NaNO3 + Pb(CH3COO)2 =>
Pb(NO3)2 + 2 CH3COONa = 2 NaNO3 + Pb(CH3COO)2
C12H22O11(s) + H2O(l) = C6H12O6(aq) =>
C12H22O11(s) + H2O(l) = 2 C6H12O6(aq)
Cl2 + H2O = HCl + HClO =>
Cl2 + H2O = HCl + HClO
CH3OH + KMnO4 = HCOH + KOH + H2O + MnO2 =>
3 CH3OH + 2 KMnO4 = 3 HCOH + 2 KOH + 2 H2O + 2 MnO2
Na + NaNO2 + H2O = Na2N2O2 + NaOH =>
4 Na + 2 NaNO2 + 2 H2O = Na2N2O2 + 4 NaOH
C5H5N + H2O = C5H6N + OH =>
C5H5N + H2O = C5H6N + OH
PbO(s) + PbS(s) = Pb(s) + SO2(g) =>
2 PbO(s) + PbS(s) = 3 Pb(s) + SO2(g)
FeCO3 + H2O = Fe(OH)2 + H2CO3 =>
FeCO3 + 2 H2O = Fe(OH)2 + H2CO3
C6H5Br + NaOH = C6H6 + NaBr + O2 =>
2 C6H5Br + 2 NaOH = 2 C6H6 + 2 NaBr + O2
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| Équations équilibrées la veille | Équations équilibrées le lendemain |
Équations équilibrées sur11/30/24
Équations équilibrées sur12/30/23
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