| Équations équilibrées la veille | Équations équilibrées le lendemain |
2 Mg + (HCl)2 = 2 MgCl + 2 H
FeSO4 + NaNO3 + H2SO4 = Fe2(SO4)3 + NO2 + Na2SO4 + H2O =>
2 FeSO4 + 2 NaNO3 + 2 H2SO4 = Fe2(SO4)3 + 2 NO2 + Na2SO4 + 2 H2O
Cr2O7{2-} + As2S3 + H{+} = Cr{3+} + SO4{2-} + H3AsO4 + H2O =>
14 Cr2O7{2-} + 3 As2S3 + 94 H{+} = 28 Cr{3+} + 9 SO4{2-} + 6 H3AsO4 + 38 H2O
Ni3CO2 = Ni + CO2 =>
Ni3CO2 = 3 Ni + CO2
K2Cr2O7 + H2SO4 + HOOCCOOH = K2SO4 + Cr2(SO4)3 + H2O + CO2 =>
K2Cr2O7 + 4 H2SO4 + 3 HOOCCOOH = K2SO4 + Cr2(SO4)3 + 7 H2O + 6 CO2
(NH4)3N + Ba(NO3)2 = Ba(NH4)2 + N(NO3)3 =>
2(NH4)3N + 3 Ba(NO3)2 = 3 Ba(NH4)2 + 2 N(NO3)3
Mg(OH)2 + HMnO4 = Mg(MnO4)2 + H2O =>
Mg(OH)2 + 2 HMnO4 = Mg(MnO4)2 + 2 H2O
K4Fe(CN)6 + H2SO4 + H2O = K2SO4 + FeSO4 + (NH4)2SO4 + CO =>
K4Fe(CN)6 + 6 H2SO4 + 6 H2O = 2 K2SO4 + FeSO4 + 3(NH4)2SO4 + 6 CO
K2Cr2O7 + H2SO4 + NO = Cr2(SO4)3 + HNO3 + K2SO4 + H2O =>
K2Cr2O7 + 4 H2SO4 + 2 NO = Cr2(SO4)3 + 2 HNO3 + K2SO4 + 3 H2O
Ba + HClO3 = H + Ba(ClO3)2 =>
Ba + 2 HClO3 = 2 H + Ba(ClO3)2
C6H5CH3 + Cl2 = C6H4ClCH3 + HCl =>
C6H5CH3 + Cl2 = C6H4ClCH3 + HCl
Br2 + OH{-} = Br{-} + BrO3{-} + H2O(l) =>
3 Br2 + 6 OH{-} = 5 Br{-} + BrO3{-} + 3 H2O(l)
FeCl3(aq) + H2O2(aq) = HCl(aq) + O2(g) + FeCl2(aq) =>
2 FeCl3(aq) + H2O2(aq) = 2 HCl(aq) + O2(g) + 2 FeCl2(aq)
CuS + H + NO3 = NO + Cu2 + H2SO4 =>
2 CuS + 4 H + 4 NO3 = 4 NO + Cu2 + 2 H2SO4
Cu3(OH)2(CO3)2 = Cu2O + H2O + CO2 + O2 =>
4 Cu3(OH)2(CO3)2 = 6 Cu2O + 4 H2O + 8 CO2 + 3 O2
C7H8O2 + CO = C8H8O3 =>
C7H8O2 + CO = C8H8O3
Al(OH)3 + H2SO4 = Al2(SO4)3 + H2O =>
2 Al(OH)3 + 3 H2SO4 = Al2(SO4)3 + 6 H2O
C3H3O + O3 = CO2 + H2O =>
6 C3H3O + 13 O3 = 18 CO2 + 9 H2O
CaH2 + H2O = CaH{-} + H3O{+} =>
CaH2 + H2O = CaH{-} + H3O{+}
CH3CH2OH + O2 = CO2 + H2O =>
CH3CH2OH + 3 O2 = 2 CO2 + 3 H2O
C5H5N + H2O = C5H6N + OH =>
C5H5N + H2O = C5H6N + OH
Mg3N2(s) + HCl(ac) = MgCl2(ac) + NH4Cl =>
Mg3N2(s) + 8 HCl(ac) = 3 MgCl2(ac) + 2 NH4Cl
CrO4{-2} + SO3{-2} + H2O = CrO2{-} + SO4{-2} + OH{-} =>
2 CrO4{-2} + 3 SO3{-2} + H2O = 2 CrO2{-} + 3 SO4{-2} + 2 OH{-}
H2Cs + SO6 = H2O + Cs2SO4 =>
2 H2Cs + SO6 = 2 H2O + Cs2SO4
Na2H2EDTA*2H2O + FeCl3*6H2O + NaOH = Na[Fe(EDTA)]*3H2O + NaCl + H2O =>
Na2H2EDTA*2H2O + FeCl3*6H2O + 2 NaOH = Na[Fe(EDTA)]*3H2O + 3 NaCl + 7 H2O
Na + MgCl2(aq) = NaCl(aq) + Mg(s) =>
2 Na + MgCl2(aq) = 2 NaCl(aq) + Mg(s)
C8H18 + H2 = C4H10 =>
C8H18 + H2 = 2 C4H10
C3H5(NO3)3 = CO2(g) + N2(g) + H20(g) + O2(g) =>
4 C3H5(NO3)3 = 12 CO2(g) + 6 N2(g) + H20(g) + 6 O2(g)
NaBr + K3Po4 = Na3Po4 + KBr =>
3 NaBr + K3Po4 = Na3Po4 + 3 KBr
KO3 + H2 = K + H2O =>
KO3 + 3 H2 = K + 3 H2O
H2C2O4 + NH4OH = C2H8N2O4 + H2O =>
H2C2O4 + 2 NH4OH = C2H8N2O4 + 2 H2O
CrO4 + SO3 + H2O = Cr(OH)4 + SO4 =>
CrO4 + 2 SO3 + 2 H2O = Cr(OH)4 + 2 SO4
NH4OH + C2H4O2 = C2H3O2NH4 + H2O =>
NH4OH + C2H4O2 = C2H3O2NH4 + H2O
CS2(l) + O2(g) = C(s) + SO2(g) =>
CS2(l) + 2 O2(g) = C(s) + 2 SO2(g)
NO2 + H2O = HNO3 + NO =>
3 NO2 + H2O = 2 HNO3 + NO
Al2O3 + HBr = AlBr3 + H2O =>
Al2O3 + 6 HBr = 2 AlBr3 + 3 H2O
(Fe3)4 = Fe =>
(Fe3)4 = 12 Fe
AgNO3 + KClO3 = AgCl + KNO3 + O2 =>
2 AgNO3 + 2 KClO3 = 2 AgCl + 2 KNO3 + 3 O2
H3PO4 + Na2O = Na3(PO4) + H2O =>
2 H3PO4 + 3 Na2O = 2 Na3(PO4) + 3 H2O
C23H48O2 + O2 = CO2 + H2O =>
C23H48O2 + 34 O2 = 23 CO2 + 24 H2O
Ca(ClO4)2 + NaOH = Ca(OH)2 + NaClO4 =>
Ca(ClO4)2 + 2 NaOH = Ca(OH)2 + 2 NaClO4
C7H16 + Cl2 = C7H13Cl2 + HCl =>
2 C7H16 + 5 Cl2 = 2 C7H13Cl2 + 6 HCl
(CH3CH3) + O2 = (CO2) + H2O =>
2(CH3CH3) + 7 O2 = 4(CO2) + 6 H2O
HCl + HIO3 + O2 = Cl{+} + IO3{-} + H2O =>
2 HCl + 2 HIO3 + O2 = 2 Cl{+} + 2 IO3{-} + 2 H2O
Pb(C2H3O2)2(aq) + Li2NO3(aq) = LiC2H3O2(aq) + PbNO3(s) =>
Pb(C2H3O2)2(aq) + Li2NO3(aq) = 2 LiC2H3O2(aq) + PbNO3(s)
NH4Cl + Na2SO4 = (NH4)2SO4 + NaCl =>
2 NH4Cl + Na2SO4 = (NH4)2SO4 + 2 NaCl
C3N2H4 + CdBr2 + HBr = C3N2H5CdBr3 =>
C3N2H4 + CdBr2 + HBr = C3N2H5CdBr3
I2 + FeN = FeI3 + N2 =>
3 I2 + 2 FeN = 2 FeI3 + N2
C5H9N + O2 = CO2 + H2O + N =>
4 C5H9N + 29 O2 = 20 CO2 + 18 H2O + 4 N
K4Fe(CN)6 + KMnO4 + H2SO4 = KHSO4 + Fe2(SO4)3 + MnSO4 + HNO3 + CO2 + H2O =>
10 K4Fe(CN)6 + 122 KMnO4 + 299 H2SO4 = 162 KHSO4 + 5 Fe2(SO4)3 + 122 MnSO4 + 60 HNO3 + 60 CO2 + 188 H2O
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Équations équilibrées sur04/21/25
Équations équilibrées sur05/21/24
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