| Équations équilibrées la veille | Équations équilibrées le lendemain |
Mg(s) + 2 NaCl(aq) = 2 Na + MgCl2
KOSO3 = KO3SO =>
KOSO3 = KO3SO
CdI2 + Br2 = CdBr2 + I =>
CdI2 + Br2 = CdBr2 + 2 I
Na2CrO4 + FeSO4 + H2O = Cr(OH)3 + FeOHSO4 + NaOH =>
Na2CrO4 + 3 FeSO4 + 4 H2O = Cr(OH)3 + 3 FeOHSO4 + 2 NaOH
IO3{-} + I{-} + H{+} = I2 + H2O =>
IO3{-} + 5 I{-} + 6 H{+} = 3 I2 + 3 H2O
Mg + HOAc = Mg(OAc)2 + H2 =>
Mg + 2 HOAc = Mg(OAc)2 + H2
NaCl + CaCl2 = NaCa + Cl3 =>
NaCl + CaCl2 = NaCa + Cl3
Co(NO3)2 + H2O = Co(H2O)6 + NO3 =>
Co(NO3)2 + 6 H2O = Co(H2O)6 + 2 NO3
H2Co3 + Bi(OH)3 = Bi2(Co3)3 + H2O =>
3 H2Co3 + 2 Bi(OH)3 = Bi2(Co3)3 + 6 H2O
AsCl3 + H2S = HCl + As2S3 =>
2 AsCl3 + 3 H2S = 6 HCl + As2S3
CdI2 + Br2 = CdBr2 + I =>
CdI2 + Br2 = CdBr2 + 2 I
(NH4)2S + Co(NO3)2 = CoS + NH4NO3 =>
(NH4)2S + Co(NO3)2 = CoS + 2 NH4NO3
Ni(NO3)2*6H2O + Na2C2O4 = NiC2O4 + NaNO3 + H2O =>
Ni(NO3)2*6H2O + Na2C2O4 = NiC2O4 + 2 NaNO3 + 6 H2O
Fe(CN)6{3-} + Cr{3+} + OH{-} = Fe(CN)6{4-} + CrO4{2-} + H2O =>
3 Fe(CN)6{3-} + Cr{3+} + 8 OH{-} = 3 Fe(CN)6{4-} + CrO4{2-} + 4 H2O
Co(NO3)2 + H2O = Co + O2 + HNO3 =>
2 Co(NO3)2 + 2 H2O = 2 Co + O2 + 4 HNO3
NaHSO4 + Na2CO3 = Na2SO4 + CO2 + H2O =>
2 NaHSO4 + Na2CO3 = 2 Na2SO4 + CO2 + H2O
Hg + H3PO4 = Hg3(PO4)2 + H2 =>
3 Hg + 2 H3PO4 = Hg3(PO4)2 + 3 H2
BaCl2 + N2H8SO4 = BaSO4 + NH4Cl =>
BaCl2 + N2H8SO4 = BaSO4 + 2 NH4Cl
Co(NO3)2 = CoO + NO2 + O2 =>
2 Co(NO3)2 = 2 CoO + 4 NO2 + O2
BaI2 + CuSO4 = BaSO4 + CuI2 =>
BaI2 + CuSO4 = BaSO4 + CuI2
As2S5 + NO3{-} + H2O = AsO4{3-} + SO4{2-} + NO + H{+} =>
3 As2S5 + 40 NO3{-} + 4 H2O = 6 AsO4{3-} + 15 SO4{2-} + 40 NO + 8 H{+}
W + HNO3 + HF = H2WF8 + NO + H2O =>
W + 2 HNO3 + 8 HF = H2WF8 + 2 NO + 4 H2O
NH4NO3 + (H2SO4)3*H2O = HNO3 + NH4HSO4 + H2O =>
3 NH4NO3 + (H2SO4)3*H2O = 3 HNO3 + 3 NH4HSO4 + H2O
MgCl2 + (NH4)2SO4 = MgSO4 + NH4Cl =>
MgCl2 + (NH4)2SO4 = MgSO4 + 2 NH4Cl
Cu(OH2)6 + NH3 = Cu(NH3)4 + H2O =>
Cu(OH2)6 + 4 NH3 = Cu(NH3)4 + 6 H2O
I2(s) + S2O3{2-}(aq) = I{-}(aq) + S4O6{2-}aq) =>
I2(s) + 2 S2O3{2-}(aq) = 2 I{-}(aq) + S4O6{2-}aq)
Pb(NO3)2(aq) + Na2SO4 = PbSO4 + NaNO3(aq) =>
Pb(NO3)2(aq) + Na2SO4 = PbSO4 + 2 NaNO3(aq)
NO2 + Ca = CaO + N =>
NO2 + 2 Ca = 2 CaO + N
Co + Se = CoSe =>
Co + Se = CoSe
WO3 + H2 = W + H2O =>
WO3 + 3 H2 = W + 3 H2O
CuO + C2 = Cu2 + CO2 =>
4 CuO + C2 = 2 Cu2 + 2 CO2
NH3 + ClO = NH2Cl + OH =>
NH3 + ClO = NH2Cl + OH
(NH4)2SO4 + Ba(NO3)2 = BaSO4 + NH4NO3 =>
(NH4)2SO4 + Ba(NO3)2 = BaSO4 + 2 NH4NO3
AgNo3(aq) + NaI(aq) = AgI(s) + NaNo3(aq) =>
AgNo3(aq) + NaI(aq) = AgI(s) + NaNo3(aq)
H(g) + O2(g) = H2O(l) =>
4 H(g) + O2(g) = 2 H2O(l)
CuCO3 + NH4OH = CuOH + NH4CO3 =>
CuCO3 + NH4OH = CuOH + NH4CO3
CuO + Cl2 = CuCl2 + Cl2O7 =>
7 CuO + 8 Cl2 = 7 CuCl2 + Cl2O7
CrO2{-} + OH{-} = CrO4{2-} + H2O + {-} =>
CrO2{-} + 4 OH{-} = CrO4{2-} + 2 H2O + 3e
BaOH + HI2 = BaI2 + H2O =>
BaOH + HI2 = BaI2 + H2O
Ba + SCN = Ba(SCN)2 =>
Ba + 2 SCN = Ba(SCN)2
K4[Fe(CN)6] + NH4OH = (NH4)4Fe(CN)6 + KOH =>
K4[Fe(CN)6] + 4 NH4OH = (NH4)4Fe(CN)6 + 4 KOH
W + HF + HNO3 = WF6 + NO + H2O =>
W + 6 HF + 2 HNO3 = WF6 + 2 NO + 4 H2O
Ag + H(ClO3) + HCl = AgCl + H2O =>
6 Ag + H(ClO3) + 5 HCl = 6 AgCl + 3 H2O
(NH4)2SO4 + BaCl2 = NH4Cl + BaSO4 =>
(NH4)2SO4 + BaCl2 = 2 NH4Cl + BaSO4
Fe + KMnO4 = Fe2O3 + MnO2 + K2O =>
2 Fe + 2 KMnO4 = Fe2O3 + 2 MnO2 + K2O
Br2 + MnSO4 + K2SO4 + H2O = KBr + MnO2 + H2SO4 =>
Br2 + MnSO4 + K2SO4 + 2 H2O = 2 KBr + MnO2 + 2 H2SO4
K(ClO3) = KCl + O2 =>
2 K(ClO3) = 2 KCl + 3 O2
W + HNO3 + HF = H2[WF8] + NO2 + H2O =>
W + 6 HNO3 + 8 HF = H2[WF8] + 6 NO2 + 6 H2O
H2SO4(aq) + NaCl(s) = Na2SO4(aq) + HCl(aq) =>
H2SO4(aq) + 2 NaCl(s) = Na2SO4(aq) + 2 HCl(aq)
FeSO4 + NaOH + NaClO = Fe2O3 + NaCl + Na2SO4 + H2O =>
2 FeSO4 + 4 NaOH + NaClO = Fe2O3 + NaCl + 2 Na2SO4 + 2 H2O
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| Équations équilibrées la veille | Équations équilibrées le lendemain |
Équations équilibrées sur11/17/24
Équations équilibrées sur12/17/23
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