| Équations équilibrées la veille |
5 CH3CH2CHCH2 + 8 KMnO4 + 12 H2SO4 = 10 CH3COOH + 8 MnSO4 + 4 K2SO4 + 12 H2O
NO2 + H2O = HNO3 + NO =>
3 NO2 + H2O = 2 HNO3 + NO
C2H5OH + O2 = CO2 + H2O =>
C2H5OH + 3 O2 = 2 CO2 + 3 H2O
PBr5 + O2 = P2O5 + BrO2 =>
4 PBr5 + 25 O2 = 2 P2O5 + 20 BrO2
AgNO3 + BaCl2 = AgCl + Ba(NO3)2 =>
2 AgNO3 + BaCl2 = 2 AgCl + Ba(NO3)2
Zn + HNO3 = Zn(NO3)2 + N2 + H2O =>
5 Zn + 12 HNO3 = 5 Zn(NO3)2 + N2 + 6 H2O
Mg3P2 + HCl = MgCl2 + H3P =>
Mg3P2 + 6 HCl = 3 MgCl2 + 2 H3P
Cl2(g) + NaBr = NaCl(ac) + Br2(l) =>
Cl2(g) + 2 NaBr = 2 NaCl(ac) + Br2(l)
Mg3P2 + HCl = MgCl2 + H3P =>
Mg3P2 + 6 HCl = 3 MgCl2 + 2 H3P
NaHCO3 + KHCO3 + Mg(HCO3)2 + Ca(HCO3)2 + Fe(HCO3)2 = NaMgKCaFe(H4C4O12)2 =>
NaHCO3 + KHCO3 + Mg(HCO3)2 + Ca(HCO3)2 + Fe(HCO3)2 = NaMgKCaFe(H4C4O12)2
HNO3 + KOH = KNO3 + H2O =>
HNO3 + KOH = KNO3 + H2O
CaO + V2S5 = CaS + V2O5 =>
5 CaO + V2S5 = 5 CaS + V2O5
Mg3P2 + HCl = MgCl2 + H3P =>
Mg3P2 + 6 HCl = 3 MgCl2 + 2 H3P
TeO2 + HI = TeI4 + H2O =>
TeO2 + 4 HI = TeI4 + 2 H2O
BaCl2 + KIO3 = Ba(IO3)2 + KCl =>
BaCl2 + 2 KIO3 = Ba(IO3)2 + 2 KCl
CaSO4 + C4H6O4 = CaC4H4O4 + H2SO4 =>
CaSO4 + C4H6O4 = CaC4H4O4 + H2SO4
K2O + SO3 = K2SO4 =>
K2O + SO3 = K2SO4
KMnO4 + NH4NO3 = MnO2 + N2 + KNO3 + H2O =>
2 KMnO4 + 2 NH4NO3 = 2 MnO2 + N2 + 2 KNO3 + 4 H2O
KMnO4 + Fe2 = FeMnO4 + K =>
2 KMnO4 + Fe2 = 2 FeMnO4 + 2 K
Pb(NO3)2(aq) + HCl(aq) = PbCl2 + HNO3 =>
Pb(NO3)2(aq) + 2 HCl(aq) = PbCl2 + 2 HNO3
CaO + HCl = CaCl2 + H2O =>
CaO + 2 HCl = CaCl2 + H2O
C + Na2Cr2O7 = Cr2O3 + Na2O + CO2 =>
3 C + 2 Na2Cr2O7 = 2 Cr2O3 + 2 Na2O + 3 CO2
NH4OH + NaHCO3 = NH3 + H2CO3 + NaOH =>
NH4OH + NaHCO3 = NH3 + H2CO3 + NaOH
HgO = Hg + O2 =>
2 HgO = 2 Hg + O2
Ag2S + O = Ag2O + SO2 =>
Ag2S + 3 O = Ag2O + SO2
Ca + O2CaO = CaO2 =>
Ca + 2 O2CaO = 3 CaO2
BaCO3 + HCl = BaCl2 + H2O + CO2 =>
BaCO3 + 2 HCl = BaCl2 + H2O + CO2
(NH4)NO3 + Na3PO4 = (NH4)3PO4 + NaNO3 =>
3(NH4)NO3 + Na3PO4 = (NH4)3PO4 + 3 NaNO3
Mg + O2 = MgO =>
2 Mg + O2 = 2 MgO
HCl + NaOH = NaCl + H2O =>
HCl + NaOH = NaCl + H2O
HCN + Fe = Fe(CN)3 + H2 =>
6 HCN + 2 Fe = 2 Fe(CN)3 + 3 H2
C + H2SO4 = CO2 + SO2 + H2O =>
C + 2 H2SO4 = CO2 + 2 SO2 + 2 H2O
H2O2 = H2O + O2 =>
2 H2O2 = 2 H2O + O2
Cu + HNO3 = Cu(NO3)2 + H2O + NO2 =>
Cu + 4 HNO3 = Cu(NO3)2 + 2 H2O + 2 NO2
NaBr + NaBrO3 = Br2 + Na2O =>
5 NaBr + NaBrO3 = 3 Br2 + 3 Na2O
Cr + HCl = CrCl3 + H2 =>
2 Cr + 6 HCl = 2 CrCl3 + 3 H2
CaCO3 + C = CaC2 + CO2 =>
2 CaCO3 + 5 C = 2 CaC2 + 3 CO2
AsO3{-3} + Br2 + OH{-} = AsO4{-3} + Br{-} + H2O =>
AsO3{-3} + Br2 + 2 OH{-} = AsO4{-3} + 2 Br{-} + H2O
KOH + HCl = KCl + H2O =>
KOH + HCl = KCl + H2O
CuCl2 + CuO + Fe2O3 = Cu2FeO3Cl =>
CuCl2 + 3 CuO + Fe2O3 = 2 Cu2FeO3Cl
NiO + C3H8 = Ni + CO2 + H2O =>
10 NiO + C3H8 = 10 Ni + 3 CO2 + 4 H2O
Cl2 + K2Cr2O7 = KClO3 + Cr2O3 + K2O =>
3 Cl2 + 5 K2Cr2O7 = 6 KClO3 + 5 Cr2O3 + 2 K2O
SO4{-2} + H{+} + Ni = H2SO3 + H2O + Ni{+2} =>
SO4{-2} + 4 H{+} + Ni = H2SO3 + H2O + Ni{+2}
Ca + HClO = CaOHCl =>
Ca + HClO = CaOHCl
Pb(CH3COO)2 + KI = PbI2 + K + CH3COO =>
Pb(CH3COO)2 + 2 KI = PbI2 + 2 K + 2 CH3COO
NaOH + PH = NaP + HOH =>
NaOH + PH = NaP + HOH
K2Cr2O7 + Na2SO3 + H2SO4 = H2O + K2SO4 + Na2SO4 + Cr2(SO4)3 =>
K2Cr2O7 + 3 Na2SO3 + 4 H2SO4 = 4 H2O + K2SO4 + 3 Na2SO4 + Cr2(SO4)3
Mo + NaOH + KNO3 = Na2MoO4 + KNO2 + H2O =>
Mo + 2 NaOH + 3 KNO3 = Na2MoO4 + 3 KNO2 + H2O
NaBr + AgNO3 = NaNO3*AgBr =>
NaBr + AgNO3 = NaNO3*AgBr
FeCl3 + AlF3 = AlCl3 + FeF3 =>
FeCl3 + AlF3 = AlCl3 + FeF3
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Équations équilibrées sur02/10/25
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