| Équations équilibrées la veille | Équations équilibrées le lendemain |
3 CaC2 + 8 Al = 2 Al4C3 + 3 Ca
C6H12O6 + O2 = CO2 + e + H{+} =>
C6H12O6 + 3 O2 = 6 CO2 + 12e + 12 H{+}
PH3(g) + N2O(g) = P4O10(s) + H2O(g) + N2 =>
4 PH3(g) + 16 N2O(g) = P4O10(s) + 6 H2O(g) + 16 N2
H2SO4 + PB = PBSO4 + H2 =>
H2SO4 + PB = PBSO4 + H2
e + H{+)+Cr2O7 = Cr{3+}+H2O =>
8e + 14 H{+)+Cr2O7 = 2 Cr{3+}+7H2O
C8H10O + KMnO4 = C7H4O3K2 + MnO2 + KOH + H2O =>
21 C8H10O + 56 KMnO4 = 24 C7H4O3K2 + 56 MnO2 + 8 KOH + 53 H2O
C2H4Cl2 + HOH = C2H4ClOH + HCl =>
C2H4Cl2 + HOH = C2H4ClOH + HCl
C9H10O + CH5N + H2 = C10H15N + H2O =>
C9H10O + CH5N + H2 = C10H15N + H2O
CH3COOH + (CH3)2CH(CH2)2OH = CH3COO(CH2)2CH(CH3)2 + H2O =>
CH3COOH + (CH3)2CH(CH2)2OH = CH3COO(CH2)2CH(CH3)2 + H2O
Fe{2+} + ClO{-} + H{+} = Fe{3+} + Cl{-}}+H2O =>
2 Fe{2+} + ClO{-} + 2 H{+} = 2 Fe{3+} + Cl{-}}+H2O
[Ni(NH3)6](NO3)2 + Na2S2O3 + H2SO4 = S + NiSO4 + NaNO3 + NH4OH =>
21[Ni(NH3)6](NO3)2 + 38 Na2S2O3 + 41 H2SO4 = 96 S + 21 NiSO4 + 76 NaNO3 + 92 NH4OH
Ni + H2TeO4 = Ni2(TeO4)3 + H2 =>
2 Ni + 3 H2TeO4 = Ni2(TeO4)3 + 3 H2
AgNO3{-} + NaSO42{-} = AgSO42{-} + NaNO3{-} =>
AgNO3{-} + NaSO42{-} = AgSO42{-} + NaNO3{-}
Cd{2+} + Fe = Cd + Fe{2+} =>
Cd{2+} + Fe = Cd + Fe{2+}
BH3CO + BBr3 = BBr3CO + BH3 =>
BH3CO + BBr3 = BBr3CO + BH3
Cu + Zn(C2H3O2)2 = Zn + CuC2H3O2 =>
2 Cu + Zn(C2H3O2)2 = Zn + 2 CuC2H3O2
NaCl + NaClO4 + H2SO4 = Cl2 + Na2SO4 + H2O =>
7 NaCl + NaClO4 + 4 H2SO4 = 4 Cl2 + 4 Na2SO4 + 4 H2O
MoS2 + Na2CO3 + O2 = Na2MoO4 + Na2SO4 + CO2 =>
2 MoS2 + 6 Na2CO3 + 9 O2 = 2 Na2MoO4 + 4 Na2SO4 + 6 CO2
(NH4)2SO4 + Ba(C2H3O2)2(aq) = BaSO4 + NH4C2H3O2 =>
(NH4)2SO4 + Ba(C2H3O2)2(aq) = BaSO4 + 2 NH4C2H3O2
NaI + Cu(NO3)2 = NaNO3 + Cu(I)2 =>
2 NaI + Cu(NO3)2 = 2 NaNO3 + Cu(I)2
H2SO4 + Ca3(PO4)2 = H3PO4 + CaSO4 =>
3 H2SO4 + Ca3(PO4)2 = 2 H3PO4 + 3 CaSO4
BaO + C + N2 = BaC2N2 + CO2 =>
2 BaO + 5 C + 2 N2 = 2 BaC2N2 + CO2
NH4Cl + Co(OH)Cl + NH3 = Co(NH3)6Cl2 + H2O =>
NH4Cl + Co(OH)Cl + 5 NH3 = Co(NH3)6Cl2 + H2O
BaO + HNO3 = Ba(NO3)2 + H2O =>
BaO + 2 HNO3 = Ba(NO3)2 + H2O
KClO + KI + HCl = I2 + KCl + H2O =>
KClO + 2 KI + 2 HCl = I2 + 3 KCl + H2O
Cu(NO3) + H2S = HNO3 + Cu2S =>
2 Cu(NO3) + H2S = 2 HNO3 + Cu2S
K4Fe(CN)6 + KMnO4 + H2SO4 = Fe(SO4)3 + CO2 + K2SO4 + HNO3 + MnSO4 + H2O =>
5 K4Fe(CN)6 + 64 KMnO4 + 121 H2SO4 = 5 Fe(SO4)3 + 30 CO2 + 42 K2SO4 + 30 HNO3 + 64 MnSO4 + 106 H2O
Cu(OH)2CuCO3 = CuO + CO2 + H2O =>
Cu(OH)2CuCO3 = 2 CuO + CO2 + H2O
C2Ca + H2O = C2H2 + (Ca(OH)2) =>
C2Ca + 2 H2O = C2H2 + (Ca(OH)2)
Al2(SO4)3 + Na = Al + Na2(SO4)3 =>
Al2(SO4)3 + 2 Na = 2 Al + Na2(SO4)3
Al2Br3 + O2 = Al2O3 + Br =>
2 Al2Br3 + 3 O2 = 2 Al2O3 + 6 Br
Hg2 + HNO3 = H + Hg2(NO3)2 =>
Hg2 + 2 HNO3 = 2 H + Hg2(NO3)2
HSO3{-} + H2O + Cl2 = HSO4{-} + Cl{-} + H{+} =>
HSO3{-} + H2O + Cl2 = HSO4{-} + 2 Cl{-} + 2 H{+}
KBr + MnO2 + H2SO4 = KHSO4 + MnBr2 + Br2 + H2O =>
4 KBr + MnO2 + 4 H2SO4 = 4 KHSO4 + MnBr2 + Br2 + 2 H2O
Al + RbOH + H2O = RbAl(OH)4 + H2 =>
2 Al + 2 RbOH + 6 H2O = 2 RbAl(OH)4 + 3 H2
O2 + CaCO = CaCO3 =>
O2 + CaCO = CaCO3
(FeO2)3 + Mg = MgO2 + Fe =>
(FeO2)3 + 3 Mg = 3 MgO2 + 3 Fe
I2 + K2SO3 + NaOH = NaI + H2O + K2SO4 =>
I2 + K2SO3 + 2 NaOH = 2 NaI + H2O + K2SO4
Rb2Cr2O7 + Mg3N2 = Rb3N + MgCr2O7 =>
3 Rb2Cr2O7 + Mg3N2 = 2 Rb3N + 3 MgCr2O7
FeC2O4*2H2O + H2C2O4 + H2O2 + K2C2O4 = K3Fe((C2O4)3)*3H2O =>
2 FeC2O4*2H2O + H2C2O4 + H2O2 + 3 K2C2O4 = 2 K3Fe((C2O4)3)*3H2O
CH3CH2SH + O2 = CO2 + H2O + H2SO4 =>
CH3CH2SH + 5 O2 = 2 CO2 + 2 H2O + H2SO4
A2B3 + O2 = AO2 + B2O =>
4 A2B3 + 11 O2 = 8 AO2 + 6 B2O
CuS8 + HNO3 = Cu(NO3)2 + S8 + H2O + NO2 =>
CuS8 + 4 HNO3 = Cu(NO3)2 + S8 + 2 H2O + 2 NO2
KHS + HBr = KBr + H2S =>
KHS + HBr = KBr + H2S
CH3CO2K + O2 = H2O + CO2 + K2CO3 =>
2 CH3CO2K + 4 O2 = 3 H2O + 3 CO2 + K2CO3
H2O + Fe2(Cr2O7)3 + P4 = Cr(OH)3 + Fe(OH)3 + P2O5 =>
120 H2O + 10 Fe2(Cr2O7)3 + 9 P4 = 60 Cr(OH)3 + 20 Fe(OH)3 + 18 P2O5
KMnO2 + KOH + KNO3 = H2O + K2MnO4 + KNO2 =>
2 KMnO2 + 2 KOH + 3 KNO3 = H2O + 2 K2MnO4 + 3 KNO2
CS2 + KOH + KClO4 = K2SO4 + K2CO3 + KCl + H2O =>
CS2 + 6 KOH + 2 KClO4 = 2 K2SO4 + K2CO3 + 2 KCl + 3 H2O
Cl2O3 + NaOH = NaClO2 + H2O =>
Cl2O3 + 2 NaOH = 2 NaClO2 + H2O
[Ag(NH3)2]Cl + KJ = AgJ + KCl + NH3 =>
[Ag(NH3)2]Cl + KJ = AgJ + KCl + 2 NH3
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Équations équilibrées sur04/21/25
Équations équilibrées sur05/21/24
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