| Équations équilibrées la veille |
K2Cr2O7 + H2S = H2Cr2O7 + K2S
Pb(NO3)2 + KI = PbI2 + KNO3 =>
Pb(NO3)2 + 2 KI = PbI2 + 2 KNO3
Cl3P + Cl2 = PCl5 =>
Cl3P + Cl2 = PCl5
SeO2 + O2 = SeO3 =>
2 SeO2 + O2 = 2 SeO3
C3O10 = CO2 + O2 =>
C3O10 = 3 CO2 + 2 O2
K2Cr2O7 + H2SO4 + Ag = Cr2(SO4)3 + Ag2SO4 + K2SO4 + H2O =>
K2Cr2O7 + 7 H2SO4 + 6 Ag = Cr2(SO4)3 + 3 Ag2SO4 + K2SO4 + 7 H2O
Cu(SO4) + Na2S = CuS + Na2(SO4) =>
Cu(SO4) + Na2S = CuS + Na2(SO4)
CaC2(s) + H2O(l) = Ca(HO)2(s) + C2H2(g) =>
CaC2(s) + 2 H2O(l) = Ca(HO)2(s) + C2H2(g)
ZnBr2(aq) + KOH(aq) = Zn(OH)2(s) + KBr(aq) =>
ZnBr2(aq) + 2 KOH(aq) = Zn(OH)2(s) + 2 KBr(aq)
KClO3 + C12H22O11 + H2SO4 = CO2 + H2O + Cl2 + K2SO4 =>
48 KClO3 + 5 C12H22O11 + 24 H2SO4 = 60 CO2 + 79 H2O + 24 Cl2 + 24 K2SO4
ZnSO4 + NH3 + H2O = Zn(OH)2 + (NH4)2SO4 =>
ZnSO4 + 2 NH3 + 2 H2O = Zn(OH)2 + (NH4)2SO4
KCl + HNO3 = KNO3 + Cl2 + NO2 + H2O =>
2 KCl + 4 HNO3 = 2 KNO3 + Cl2 + 2 NO2 + 2 H2O
Al(NO3)3*9H2O + NH4OH = Al2O3 + NO2 + H2O =>
14 Al(NO3)3*9H2O + 6 NH4OH = 7 Al2O3 + 48 NO2 + 141 H2O
NaClO3 + Mn2 + NaOH = NaCl + NaMnO4 + H2O =>
7 NaClO3 + 3 Mn2 + 6 NaOH = 7 NaCl + 6 NaMnO4 + 3 H2O
C2H5OH + HBr = C2H5OBr + H =>
C2H5OH + HBr = C2H5OBr + 2 H
H + S + O = H2SO4 =>
2 H + S + 4 O = H2SO4
Fe(O2)3 + C = Fe + CO =>
Fe(O2)3 + 6 C = Fe + 6 CO
Fe2(SO3)3 + KC2H3O2 = KFe2 + (SO3)3C2H3O2 =>
Fe2(SO3)3 + KC2H3O2 = KFe2 + (SO3)3C2H3O2
Cl2 + BaH2 = BaCl2 + HCl =>
2 Cl2 + BaH2 = BaCl2 + 2 HCl
CH4Ni3O7 + HF = Ni(F)2 + CO2 + H2O =>
CH4Ni3O7 + 6 HF = 3 Ni(F)2 + CO2 + 5 H2O
VO2{+}(aq) + H{+}(aq) + Cd(s) = VO{+2}(aq) + Cd{+2}(aq) + H2O(l) =>
2 VO2{+}(aq) + 4 H{+}(aq) + Cd(s) = 2 VO{+2}(aq) + Cd{+2}(aq) + 2 H2O(l)
N2(g) + O2(g) + H2O = NH(NO3)4(s) =>
10 N2(g) + 23 O2(g) + 2 H2O = 4 NH(NO3)4(s)
NaOH + H2O = NaH + OH =>
NaOH + H2O = NaH + 2 OH
C7H6O2 + CH3CH2CH2CH2Br = C11H14O2 + HBr =>
C7H6O2 + CH3CH2CH2CH2Br = C11H14O2 + HBr
KOH + C = CO + KH =>
KOH + C = CO + KH
Na2SO3 + HI = H2SO3 + NaI =>
Na2SO3 + 2 HI = H2SO3 + 2 NaI
Al2Fe + O3FeO = Al2O3 + Fe =>
4 Al2Fe + 3 O3FeO = 4 Al2O3 + 7 Fe
KOH + C = K + CO2 + H2O =>
4 KOH + C = 4 K + CO2 + 2 H2O
As2O2 + NO + H2O = HNO3 + H3As5O4 =>
15 As2O2 + 10 NO + 14 H2O = 10 HNO3 + 6 H3As5O4
Li2O + Fe2O3 = LiFe5O8 =>
Li2O + 5 Fe2O3 = 2 LiFe5O8
Al(OH)3(heat) = Al2O3 + H2O =>
2 Al(OH)3(heat) = Al2O3 + 3 H2O
C5H11OH + H2SO4 + KMnO4 = C5H10O + MnSO4 + K2SO4 + H2O =>
5 C5H11OH + 3 H2SO4 + 2 KMnO4 = 5 C5H10O + 2 MnSO4 + K2SO4 + 8 H2O
C6H5CH2Na + Br2 = C6H5CH2Br + Na =>
2 C6H5CH2Na + Br2 = 2 C6H5CH2Br + 2 Na
K(s) = K(aq) =>
K(s) = K(aq)
LiOH(aq) + VCl3(aq) = LiCl(aq) + V(OH)3(s) =>
3 LiOH(aq) + VCl3(aq) = 3 LiCl(aq) + V(OH)3(s)
C2H4O2 + HCl = C2H2Cl2 + H2O =>
C2H4O2 + 2 HCl = C2H2Cl2 + 2 H2O
H2O + CrO4{-2} + Cu = Cr(OH)3 + Cu(OH)2 + OH{-} =>
8 H2O + 2 CrO4{-2} + 3 Cu = 2 Cr(OH)3 + 3 Cu(OH)2 + 4 OH{-}
NaHCO3 + C = Na + CO + H2O =>
2 NaHCO3 + 3 C = 2 Na + 5 CO + H2O
Fe{2+} + ClO3{3-} + H{+} = Fe{3+} + Cl{-} + H2O =>
4 Fe{2+} + ClO3{3-} + 6 H{+} = 4 Fe{3+} + Cl{-} + 3 H2O
Fe2O3 + CO = OFe + CO2 =>
Fe2O3 + CO = 2 OFe + CO2
NaPb + C2H5Cl = Pb(C2H5)4 + Pb + NaCl =>
4 NaPb + 4 C2H5Cl = Pb(C2H5)4 + 3 Pb + 4 NaCl
S8 + NH3 = H2S + N2 =>
3 S8 + 16 NH3 = 24 H2S + 8 N2
(NH4)2C2O4 + Na2O = (NH4)2O + Na2C2O4 =>
(NH4)2C2O4 + Na2O = (NH4)2O + Na2C2O4
CuI + Na2S2O3 = Na3[Cu(S2O3)2] + NaI =>
CuI + 2 Na2S2O3 = Na3[Cu(S2O3)2] + NaI
MnO + O2 = Mn2O3 =>
4 MnO + O2 = 2 Mn2O3
Mg(s) + C(s) + O2(g) = MgCO3 =>
2 Mg(s) + 2 C(s) + 3 O2(g) = 2 MgCO3
NaHCO3 = NaOH + CO2 =>
NaHCO3 = NaOH + CO2
Cr2(SO4)3 + HCl = CrCl3 + H2SO4 =>
Cr2(SO4)3 + 6 HCl = 2 CrCl3 + 3 H2SO4
Me(NO3)3 = Me2O3 + NO2 + O2 =>
4 Me(NO3)3 = 2 Me2O3 + 12 NO2 + 3 O2
MgO + SiO2 = Mg2SiO4 =>
2 MgO + SiO2 = Mg2SiO4
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Équations équilibrées sur02/01/25
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