| Équations équilibrées la veille |
FeCl3 + 3 KNCS = Fe(CNS)3 + 3 KCl
KNO2(s) = KNO(s) + O2(g) =>
2 KNO2(s) = 2 KNO(s) + O2(g)
K3[Cr(OH)6] + CO2 = Cr(OH)3 + KHCO3 =>
K3[Cr(OH)6] + 3 CO2 = Cr(OH)3 + 3 KHCO3
Na2CO3(aq) + H3PO4(aq) = Na3PO4 + H2O(l) + CO2(g) =>
3 Na2CO3(aq) + 2 H3PO4(aq) = 2 Na3PO4 + 3 H2O(l) + 3 CO2(g)
AgNO3 + Fe(NO3)3 = Ag(NO3)3 + NO3Fe =>
AgNO3 + Fe(NO3)3 = Ag(NO3)3 + NO3Fe
Mg + Cl2(g) = MgCl2 =>
Mg + Cl2(g) = MgCl2
Na2S(aq) + Mg(NO3)2(aq) = NaNO3(aq) + Mg2S2(s) =>
2 Na2S(aq) + 2 Mg(NO3)2(aq) = 4 NaNO3(aq) + Mg2S2(s)
CO2 + H3O = CO + H2O =>
CO2 + 2 H3O = CO + 3 H2O
Na{+} + Cl{-} = NaCl =>
Na{+} + Cl{-} = NaCl
Cr(OH)2 + HCl = CrCl2 + H2O =>
Cr(OH)2 + 2 HCl = CrCl2 + 2 H2O
C16H18ClN3S + H2O2 = CO2 + H2O + NO3 + SO4 + Cl =>
C16H18ClN3S + 54 H2O2 = 16 CO2 + 63 H2O + 3 NO3 + SO4 + Cl
FeO + H2O = Fe3O4 + H2 =>
3 FeO + H2O = Fe3O4 + H2
Fe3O4 + H2SO4 = Fe2(SO4)3 + H2S + H2O =>
8 Fe3O4 + 37 H2SO4 = 12 Fe2(SO4)3 + H2S + 36 H2O
KMnO4 + H2SO4 + HCl = K2SO4 + MnSO4 + Cl + H2O =>
2 KMnO4 + 3 H2SO4 + 10 HCl = K2SO4 + 2 MnSO4 + 10 Cl + 8 H2O
C5H10 + O2 = CH2O =>
2 C5H10 + 5 O2 = 10 CH2O
K(s) + HBr(aq) = KBr(aq) + H2(g) =>
2 K(s) + 2 HBr(aq) = 2 KBr(aq) + H2(g)
PbS2 + O = PbO + SO2 =>
PbS2 + 5 O = PbO + 2 SO2
Ni(NO3)2 + NH3 = Ni(NH3)6 + NO3 =>
Ni(NO3)2 + 6 NH3 = Ni(NH3)6 + 2 NO3
NaCl + Na2CO3 = NaClNa2CO3 =>
NaCl + Na2CO3 = NaClNa2CO3
CH3OOH + KOH = CH3CO2K + H2O =>
2 CH3OOH + KOH = CH3CO2K + 3 H2O
HBr + H2SO4 = H2O + SO2 + Br2 =>
2 HBr + H2SO4 = 2 H2O + SO2 + Br2
Li + H2SO4 = Li2SO4 + H2S + H2O =>
8 Li + 5 H2SO4 = 4 Li2SO4 + H2S + 4 H2O
Pb + NaOH = Pb(NaOH) =>
Pb + NaOH = Pb(NaOH)
Cu2S + O2 + CaCo3 = CuO + CaSO4 + Co2 =>
2 Cu2S + 6 O2 + 2 CaCo3 = 4 CuO + 2 CaSO4 + 3 Co2
Cu + NH3 = CuNH3 =>
Cu + NH3 = CuNH3
K2CO3(aq) + Ca(NO3)2(aq) = K2(NO3)2(aq) + CaCO3(s) =>
K2CO3(aq) + Ca(NO3)2(aq) = K2(NO3)2(aq) + CaCO3(s)
C6H5NO2 + HCl = C6H6NO2{+} + Cl{-} =>
C6H5NO2 + HCl = C6H6NO2{+} + Cl{-}
SiO2 + H2SO4 = H2SiO3 + SO3 =>
SiO2 + H2SO4 = H2SiO3 + SO3
NH4Cl(aq) + Ba(OH)2(aq) = NH3 + BaCl2 + H2O =>
2 NH4Cl(aq) + Ba(OH)2(aq) = 2 NH3 + BaCl2 + 2 H2O
Cu + KCl = CuCl2 + K =>
Cu + 2 KCl = CuCl2 + 2 K
(K)2Cr2O7 + HCl = KCl + Cr(Cl)3 + H2O + Cl2 =>
(K)2Cr2O7 + 14 HCl = 2 KCl + 2 Cr(Cl)3 + 7 H2O + 3 Cl2
Na2SiO3 + HNO3 = NaNO3 + SiO2 + H2O =>
Na2SiO3 + 2 HNO3 = 2 NaNO3 + SiO2 + H2O
NH4NO3 + CaCl2 = NH4Cl + Ca(NO3)2 =>
2 NH4NO3 + CaCl2 = 2 NH4Cl + Ca(NO3)2
N2 + O2 + CH4 = NH2CH2COOH + H2O =>
2 N2 + 7 O2 + 8 CH4 = 4 NH2CH2COOH + 6 H2O
C6H6 + O2 = CO2 + H2O =>
2 C6H6 + 15 O2 = 12 CO2 + 6 H2O
Fe + Cl2 = FeCl3 =>
2 Fe + 3 Cl2 = 2 FeCl3
CrO4{2-} + S2O3{2-} + H2O = SO4{2-} + [Cr(OH)4]{-} + OH{-} =>
8 CrO4{2-} + 3 S2O3{2-} + 17 H2O = 6 SO4{2-} + 8[Cr(OH)4]{-} + 2 OH{-}
CH3C(CH3)C(CH3)CH3 + KMnO4 + H2O = (CH3)2C(OH)C(OH)(CH3)2 + MnO2 + KOH =>
3 CH3C(CH3)C(CH3)CH3 + 2 KMnO4 + 4 H2O = 3(CH3)2C(OH)C(OH)(CH3)2 + 2 MnO2 + 2 KOH
HCOOH + Ca = (HCOO)2Ca + H2 =>
2 HCOOH + Ca = (HCOO)2Ca + H2
HAsO2 + I2 + H2O = H3AsO4 + I{-} + H{+} =>
HAsO2 + I2 + 2 H2O = H3AsO4 + 2 I{-} + 2 H{+}
KCn + Au = AuCn + K =>
KCn + Au = AuCn + K
Na2S + Mg(NO3)2 = Na2(NO3)2 + MgS =>
Na2S + Mg(NO3)2 = Na2(NO3)2 + MgS
C6H5CH3 + HNO3 = C6H2(NO2)3CH3(s) + H2O =>
C6H5CH3 + 3 HNO3 = C6H2(NO2)3CH3(s) + 3 H2O
KNO2 + H2O = HKNO2 + OH =>
KNO2 + H2O = HKNO2 + OH
CH3NH2 + H2O = CH3NH3{+} + OH{-} =>
CH3NH2 + H2O = CH3NH3{+} + OH{-}
Co + H{+} = Co2{+} + H2 =>
4 Co + 2 H{+} = 2 Co2{+} + H2
Cu(NO3)2 + Cr = Cr(NO3)2 + Cu =>
Cu(NO3)2 + Cr = Cr(NO3)2 + Cu
C6H14 + O2 = CO2 + H2O =>
2 C6H14 + 19 O2 = 12 CO2 + 14 H2O
Ba + P2 = BaP =>
2 Ba + P2 = 2 BaP
Cu(OH)2 + H{+} = Cu{+2} + H2O =>
Cu(OH)2 + 2 H{+} = Cu{+2} + 2 H2O
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Équations équilibrées sur10/26/24
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