| Équations équilibrées la veille | Équations équilibrées le lendemain |
2 CIO2 + 2 NaOH = NaCIO2 + NaCIO3 + H2O
C2H2 + O2 = CO2 + H2O =>
2 C2H2 + 5 O2 = 4 CO2 + 2 H2O
H2O2(aq) + MnO2(l) = MnH2(l) + O2(s) =>
H2O2(aq) + MnO2(l) = MnH2(l) + 2 O2(s)
C25H29O3OH + NaOH = C25H29O3ONa + H2O =>
C25H29O3OH + NaOH = C25H29O3ONa + H2O
H + Cr2O7({-}2) + H2SO3 = Cr({+}3) + HSO4({-}) + H2O =>
5 H + Cr2O7({-}2) + 3 H2SO3 = 2 Cr({+}3) + 3 HSO4({-}) + 4 H2O
Cl2 + KI + KOH = KCl + KIO3 + H2O =>
3 Cl2 + KI + 6 KOH = 6 KCl + KIO3 + 3 H2O
Li2CrO4 + LiCl + H2SO4 = Cr2(SO4)3 + Cl2 + Li2SO4 + H2O =>
2 Li2CrO4 + 6 LiCl + 8 H2SO4 = Cr2(SO4)3 + 3 Cl2 + 5 Li2SO4 + 8 H2O
NaI + CaCl2 = NaCl2 + CaI =>
NaI + CaCl2 = NaCl2 + CaI
CrCl3 + KMnO4 + KOH = MnCl2 + KCl + K2CrO4 + H2O =>
5 CrCl3 + 3 KMnO4 + 16 KOH = 3 MnCl2 + 9 KCl + 5 K2CrO4 + 8 H2O
Al2 + O3 = Al2O3 =>
Al2 + O3 = Al2O3
HCN + CuSO4 = H2SO4 + Cu(CN)2 =>
2 HCN + CuSO4 = H2SO4 + Cu(CN)2
KNO3 + C = CO2 + NO2 + K2O =>
4 KNO3 + C = CO2 + 4 NO2 + 2 K2O
FeSO4 + NaSCN = Fe(SCN)2 + Na2SO4 =>
FeSO4 + 2 NaSCN = Fe(SCN)2 + Na2SO4
CaOK2CO3 = K2OCaCO3 =>
CaOK2CO3 = K2OCaCO3
NaCl + H2SO4 = NaClSO4 + SO2 + H2O =>
NaCl + 2 H2SO4 = NaClSO4 + SO2 + 2 H2O
H2N + Ca(OH)2 = H2O + CaN =>
H2N + Ca(OH)2 = 2 H2O + CaN
(PO4)2Ca3 + SiO2 + C = SiO3Ca + P4 + CO =>
2(PO4)2Ca3 + 6 SiO2 + 10 C = 6 SiO3Ca + P4 + 10 CO
K + Cl2 = KCl =>
2 K + Cl2 = 2 KCl
Cu2S2 + O2 = Cu2O + S2 =>
2 Cu2S2 + O2 = 2 Cu2O + 2 S2
Na + H3PO4 = Na3PO4 + H2 =>
6 Na + 2 H3PO4 = 2 Na3PO4 + 3 H2
H2 + O2 = H2O =>
2 H2 + O2 = 2 H2O
C10H19O + HOCl = C10H17O + HCl + H2O =>
C10H19O + HOCl = C10H17O + HCl + H2O
P + H2O = PH3 + H3PO3 =>
2 P + 3 H2O = PH3 + H3PO3
CH3COOH + Cl = CH3COO + HCl =>
CH3COOH + Cl = CH3COO + HCl
Al2(SO4)3 + KOH = Al(OH)3 + K2SO4 =>
Al2(SO4)3 + 6 KOH = 2 Al(OH)3 + 3 K2SO4
CO2 + H2O = C2H2 + O2 =>
4 CO2 + 2 H2O = 2 C2H2 + 5 O2
(NH4)Cl + K(NO3) = (NH4)(NO3) + KCl =>
(NH4)Cl + K(NO3) = (NH4)(NO3) + KCl
H + Cr2O7({-}2) + SO2 = Cr({+}3) + SO3({-}2) + H2O =>
8 H + Cr2O7({-}2) + 3 SO2 = 2 Cr({+}3) + 3 SO3({-}2) + 4 H2O
Al + NaNO3 + NaOH + H2O = Na[Al(OH)4] + NH3 =>
8 Al + 3 NaNO3 + 5 NaOH + 18 H2O = 8 Na[Al(OH)4] + 3 NH3
H3PO4 + (NH4)MoO4 + HNO3 = (NH4)3PO4*12MoO3 + NH4NO3 + H2O =>
2 H3PO4 + 24(NH4)MoO4 + 12 HNO3 = 2(NH4)3PO4*12MoO3 + 15 NH4NO3 + 15 H2O
N2 + S2 = NS =>
N2 + S2 = 2 NS
SO2 + CaO = Ca(SO3) =>
SO2 + CaO = Ca(SO3)
P2O5 + HNO3 = HPO3 + N2O5 =>
P2O5 + 2 HNO3 = 2 HPO3 + N2O5
Fe(NO3)3(ac) + NH4SCN(ac) = FeSCN(NO3)2(ac) + NH4NO3(ac) =>
Fe(NO3)3(ac) + NH4SCN(ac) = FeSCN(NO3)2(ac) + NH4NO3(ac)
Ni{2+} + CN{-} = Ni(CN)2 =>
Ni{2+} + 2 CN{-} = Ni(CN)2
HBr + CuCl2 = HCl2 + CuBr =>
HBr + CuCl2 = HCl2 + CuBr
SO3 + Li2O = Li2S + O2 =>
SO3 + Li2O = Li2S + 2 O2
Mn + NH3 = Mn(NH3)3 =>
Mn + 3 NH3 = Mn(NH3)3
AgCl + HNO3 = AgNO3 + HCl =>
AgCl + HNO3 = AgNO3 + HCl
AgNO3 + H2S = AgS + NO3H2 =>
AgNO3 + H2S = AgS + NO3H2
Al(OH)3 + HSiO3 = Al(SiO3)3 + H2O =>
Al(OH)3 + 3 HSiO3 = Al(SiO3)3 + 3 H2O
Pt + F2 = PtF2 =>
Pt + F2 = PtF2
H2 + Cr2O7({-}2) + SO2 = Cr({+}3) + SO3({-}2) + H2O =>
4 H2 + Cr2O7({-}2) + 3 SO2 = 2 Cr({+}3) + 3 SO3({-}2) + 4 H2O
CH3CHO + HCN = CH3CH(CN)OH =>
CH3CHO + HCN = CH3CH(CN)OH
Ca + H4SiO4 = CaSiO4 + H2 =>
Ca + H4SiO4 = CaSiO4 + 2 H2
NiCl2 + NH4OH = Ni(OH)2 + NH4Cl =>
NiCl2 + 2 NH4OH = Ni(OH)2 + 2 NH4Cl
Sr3(PO4)2 = SrO + P2O5 =>
Sr3(PO4)2 = 3 SrO + P2O5
Na(s) + H2O(l) = NaOH + H2 =>
2 Na(s) + 2 H2O(l) = 2 NaOH + H2
K2Cr2O7 + HCl = KCl + Cr3 + H2O + Cl2 =>
3 K2Cr2O7 + 42 HCl = 6 KCl + 2 Cr3 + 21 H2O + 18 Cl2
Sr(NO3)2 + Al(NO3)3 + (NH2)2CO = NO2 + CO2 + H2O + SrAl2O4 =>
7 Sr(NO3)2 + 14 Al(NO3)3 + 4(NH2)2CO = 64 NO2 + 4 CO2 + 8 H2O + 7 SrAl2O4
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| Équations équilibrées la veille | Équations équilibrées le lendemain |
Équations équilibrées sur12/22/24
Équations équilibrées sur01/21/24
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