| Équations équilibrées la veille |
Fe2O3 + 3 CO = 2 Fe + 3 CO2
Ba + AsO4 = Ba3(AsO4)2 =>
3 Ba + 2 AsO4 = Ba3(AsO4)2
Na2C2O4 + HCl = NaCl + H2C2O4 =>
Na2C2O4 + 2 HCl = 2 NaCl + H2C2O4
Cu(NO3)2(aq) + NaOH(aq) = Cu(OH)2(s) + NaNO3(aq) =>
Cu(NO3)2(aq) + 2 NaOH(aq) = Cu(OH)2(s) + 2 NaNO3(aq)
[Cu(NH3)4]2 + K4[Fe(CN)6] = Cu2Fe(CN)6 + K4 + (NH3)4 =>
[Cu(NH3)4]2 + K4[Fe(CN)6] = Cu2Fe(CN)6 + K4 + 2(NH3)4
Sr + Hg2 + NaCl = Na2Sr + Hg2Cl2 =>
Sr + Hg2 + 2 NaCl = Na2Sr + Hg2Cl2
H2SO4 + Al(OH)3 = H2(OH)3 + AlSO4 =>
H2SO4 + Al(OH)3 = H2(OH)3 + AlSO4
SeS3 + O2 = SeO2 + SO2 =>
SeS3 + 4 O2 = SeO2 + 3 SO2
K(s) + H2O(l)* = KOH(aq) + H2(g) =>
2 K(s) + 2 H2O(l)* = 2 KOH(aq) + H2(g)
FeCO3 + HCl = FeCl2 + H2O + CO2 =>
FeCO3 + 2 HCl = FeCl2 + H2O + CO2
HCl + (NH4)2O = (NH4)Cl + H2O =>
2 HCl + (NH4)2O = 2(NH4)Cl + H2O
Cu(NO3)2(aq) + Na3PO4(aq) = Cu3(PO4)2(s) + NaNO3(aq) =>
3 Cu(NO3)2(aq) + 2 Na3PO4(aq) = Cu3(PO4)2(s) + 6 NaNO3(aq)
Ca3P2(aq) + H2O(l) = Ca(OH)2 + PH3(aq) =>
Ca3P2(aq) + 6 H2O(l) = 3 Ca(OH)2 + 2 PH3(aq)
CH3NO2 + H2 = CH3NOH + H2O =>
2 CH3NO2 + 3 H2 = 2 CH3NOH + 2 H2O
Zn(OH)2 + RbOH = Rb2[Zn(OH)4] =>
Zn(OH)2 + 2 RbOH = Rb2[Zn(OH)4]
Ba(NO3)2 + H2O = BaO + HNO2 + O2 =>
Ba(NO3)2 + H2O = BaO + 2 HNO2 + O2
Na2S(aq) + Cu(NO3)2(aq) = NaNO3(aq) + CuS(s) =>
Na2S(aq) + Cu(NO3)2(aq) = 2 NaNO3(aq) + CuS(s)
Zn(s) + Cu(NO3)2(aq) = Zn(NO3)2(aq) + Cu(s) =>
Zn(s) + Cu(NO3)2(aq) = Zn(NO3)2(aq) + Cu(s)
N + O2 = N2O3 =>
4 N + 3 O2 = 2 N2O3
AlBr3 + LiOH = Al(OH)3 + BrLi =>
AlBr3 + 3 LiOH = Al(OH)3 + 3 BrLi
KOH + H3PO4 = KH2PO4 + H2O =>
KOH + H3PO4 = KH2PO4 + H2O
Cu2CO3(OH)2(s) = CuO(s) + H2O(l) + CO2(g) =>
Cu2CO3(OH)2(s) = 2 CuO(s) + H2O(l) + CO2(g)
K3Fe(CN)6 = FeC2 + N2 + CN2 + KCN =>
2 K3Fe(CN)6 = 2 FeC2 + N2 + 2 CN2 + 6 KCN
NaOH + Ca(HCO3)2 = Ca(OH)2 + NaHCO3 =>
2 NaOH + Ca(HCO3)2 = Ca(OH)2 + 2 NaHCO3
TCl4 + H2O = TO2 + HCl =>
TCl4 + 2 H2O = TO2 + 4 HCl
Na3P + KMnO4 + H2SO4 = MnSO4 + K2SO4 + Na3PO4 + H2O =>
5 Na3P + 8 KMnO4 + 12 H2SO4 = 8 MnSO4 + 4 K2SO4 + 5 Na3PO4 + 12 H2O
Li + P2O5 = Li2O5 + P =>
2 Li + P2O5 = Li2O5 + 2 P
Cr(CIO4)2 + Cu3(PO4) = Cr3(PO4)2 + Cu(CIO4) =>
3 Cr(CIO4)2 + 2 Cu3(PO4) = Cr3(PO4)2 + 6 Cu(CIO4)
SnS + H2O = SnO + H2S =>
SnS + H2O = SnO + H2S
H2CrO7 + Ru = Ru2CrO7 + H2 =>
H2CrO7 + 2 Ru = Ru2CrO7 + H2
Ba(NO3)2 + Al2(SO4)2 = Al(NO3)2 + BaSO4 =>
2 Ba(NO3)2 + Al2(SO4)2 = 2 Al(NO3)2 + 2 BaSO4
K2O + HCl = KCl + H2O =>
K2O + 2 HCl = 2 KCl + H2O
N3 + H6 = NH3 =>
2 N3 + 3 H6 = 6 NH3
CaO + HNO3 = Ca(NO3)2 + H2O =>
CaO + 2 HNO3 = Ca(NO3)2 + H2O
NH4CO3 = N2 + H2 + C + O2 =>
2 NH4CO3 = N2 + 4 H2 + 2 C + 3 O2
UO3 + FeS2 + H2O = UO2 + Fe2O3 + SO4{-2} + H{+} =>
15 UO3 + 2 FeS2 + 4 H2O = 15 UO2 + Fe2O3 + 4 SO4{-2} + 8 H{+}
H2SO4 + BeO = H2O + BeSO4 =>
H2SO4 + BeO = H2O + BeSO4
Cu + HNO3 = Cu(NO3)2 + H2O + NO =>
3 Cu + 8 HNO3 = 3 Cu(NO3)2 + 4 H2O + 2 NO
NH4OH + NO2 = NH4NO3 + H2 =>
2 NH4OH + 2 NO2 = 2 NH4NO3 + H2
C + NO = CNO =>
C + NO = CNO
CaI + Br2 = CaBr2 + I2 =>
2 CaI + 2 Br2 = 2 CaBr2 + I2
S2O3{2-} + I2 = S4O6{2-} + I{-} =>
2 S2O3{2-} + I2 = S4O6{2-} + 2 I{-}
NH3 + O2 = NO + H2O =>
4 NH3 + 5 O2 = 4 NO + 6 H2O
CN{-} + OH{-} = CNO{-} + H{+} + {-} =>
CN{-} + OH{-} = CNO{-} + H{+} + 2e
C2H2 + O2 = CO2 + H2O =>
2 C2H2 + 5 O2 = 4 CO2 + 2 H2O
CaSO4 + AlBr3 = CaBr2 + Al2(SO4)3 =>
3 CaSO4 + 2 AlBr3 = 3 CaBr2 + Al2(SO4)3
Ca(H2PO4)2 + CaO = CaHPO4 + H + O =>
Ca(H2PO4)2 + CaO = 2 CaHPO4 + 2 H + O
RbI + CaO = Rb2OCaI2 =>
2 RbI + CaO = Rb2OCaI2
Na2[Fe(CN)5(NO)] + CH3COCH3 = (CH3C)2[Fe(CN)5(NO)] + CH3ONa =>
Na2[Fe(CN)5(NO)] + 2 CH3COCH3 = (CH3C)2[Fe(CN)5(NO)] + 2 CH3ONa
VO2SO4 + Zn + H2SO4 = VOSO4 + ZnSO4 + H2O =>
VO2SO4 + Zn + H2SO4 = VOSO4 + ZnSO4 + H2O
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Équations équilibrées sur12/10/24
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