| Équations équilibrées la veille | Équations équilibrées le lendemain |
CH(CH2)7COOH + NaOH = CH(CH2)7CO2Na + H2O
Si4H1O + O2 = SiO2 + H2O =>
4 Si4H1O + 15 O2 = 16 SiO2 + 2 H2O
C + CH3OH + NH3 = C10H15N + O2 =>
14 C + 6 CH3OH + 2 NH3 = 2 C10H15N + 3 O2
F2 + HI = H2 + FI =>
F2 + 2 HI = H2 + 2 FI
Zn + Cu2{+} = Zn3{+} + Cu =>
3 Zn + Cu2{+} = Zn3{+} + 2 Cu
HgCl2 + Li3N = Hg3N2 + LiCl =>
3 HgCl2 + 2 Li3N = Hg3N2 + 6 LiCl
NaBr(s) + Cl2(g) = NaCl(ag) + Br2(aq) =>
2 NaBr(s) + Cl2(g) = 2 NaCl(ag) + Br2(aq)
H2C2O4 + MnO4 = CO2 + Mn + H2O =>
4 H2C2O4 + MnO4 = 8 CO2 + Mn + 4 H2O
Ba + HF = BaF2 + H =>
Ba + 2 HF = BaF2 + 2 H
HgO = Hg + O2 =>
2 HgO = 2 Hg + O2
HNO3(aq) + CaCl2(aq) = HCl2(aq) + CaNO3(aq) =>
HNO3(aq) + CaCl2(aq) = HCl2(aq) + CaNO3(aq)
C2H6 + HNO3 = CH3CHO + NO2 + H2O =>
C2H6 + 4 HNO3 = CH3CHO + 4 NO2 + 3 H2O
K2 + O2 = K2O =>
2 K2 + O2 = 2 K2O
CrO4 + CuI + H2O = Cu(OH)2 + IO3 + Cr(OH)3 =>
8 CrO4 + 5 CuI + 17 H2O = 5 Cu(OH)2 + 5 IO3 + 8 Cr(OH)3
HNO(aq) + H2(g) = NH3(g) + H2O(l) =>
HNO(aq) + 2 H2(g) = NH3(g) + H2O(l)
Ba + HF = BaF2 + H =>
Ba + 2 HF = BaF2 + 2 H
CO2 + BaO = BaCO3 =>
CO2 + BaO = BaCO3
Mg3(PO4)2 + H2SO4 = MgSO4 + H3PO4 =>
Mg3(PO4)2 + 3 H2SO4 = 3 MgSO4 + 2 H3PO4
Cu2S + HNO3 = Cu(NO2)2 + CuSO4 + NO2 + H2O =>
Cu2S + 8 HNO3 = Cu(NO2)2 + CuSO4 + 6 NO2 + 4 H2O
P + Cl{-}2 = PCl{-}5 =>
P + Cl{-}2 = PCl{-}5
Na + Al(OH)4 + H2SO4 = Al2O3 + H2O + Na2SO4 =>
2 Na + 2 Al(OH)4 + H2SO4 = Al2O3 + 5 H2O + Na2SO4
KHSO4 + Fe3O4 = Fe2(SO4)3 + FeSO4 + K2SO4 + H2O =>
8 KHSO4 + Fe3O4 = Fe2(SO4)3 + FeSO4 + 4 K2SO4 + 4 H2O
[Co(NH3)4H2OCl]Cl2 + C2H2O4 = [Co(NH3)4C2O4]2Cl2 + H2O + H2 + Cl2 =>
2[Co(NH3)4H2OCl]Cl2 + 2 C2H2O4 = [Co(NH3)4C2O4]2Cl2 + 2 H2O + 2 H2 + 2 Cl2
Fe2O3(s) + S2(g) + O2(g) = FeSO4(s) =>
2 Fe2O3(s) + 2 S2(g) + 5 O2(g) = 4 FeSO4(s)
FeCl3 + Na2CO3 = Fe2(CO3)3 + Na3Cl3 =>
2 FeCl3 + 3 Na2CO3 = Fe2(CO3)3 + 2 Na3Cl3
Mg2O3(s) + H2O(l) = Mg(OH)2 + O2 =>
2 Mg2O3(s) + 4 H2O(l) = 4 Mg(OH)2 + O2
K4Fe(CN)6 + Ba(NO3)2 = Ba2Fe(CN)6 + KNO3 =>
K4Fe(CN)6 + 2 Ba(NO3)2 = Ba2Fe(CN)6 + 4 KNO3
CN + MnO4 = CNO + MnO2 =>
2 CN + MnO4 = 2 CNO + MnO2
I2 + Na2AsO2 + NaO = Na3AsO4 + NaI =>
I2 + 2 Na2AsO2 + 4 NaO = 2 Na3AsO4 + 2 NaI
CaCl2*2H2O(aq) + Na2Co3(aq) = CaCo3(s) + NaCl(aq) + H2O =>
CaCl2*2H2O(aq) + Na2Co3(aq) = CaCo3(s) + 2 NaCl(aq) + 2 H2O
MnS + K2S + H2SO4 = KMnO4 + H2O + SO2 =>
2 MnS + K2S + 14 H2SO4 = 2 KMnO4 + 14 H2O + 17 SO2
Cr2O72{-} + Cl{-} + H{+} = Cr02{-} + H2O + Cl2 =>
Cr2O72{-} + 144 Cl{-} + 144 H{+} = Cr02{-} + 72 H2O + 72 Cl2
Nickel(II)hydroxide = nickel(II)oxide + water =>
Ni(OH)2 = NiO + H2O
HgS + HNO3 + HCl = H2(HgCl4)3 + H2O + NO + S =>
9 HgS + 10 HNO3 + 36 HCl = 3 H2(HgCl4)3 + 20 H2O + 10 NO + 9 S
Mn{2+} + Co = Mn + Co{2+} =>
Mn{2+} + Co = Mn + Co{2+}
KHSO5 + NaOH = NaHSO4 + KOH + O =>
KHSO5 + NaOH = NaHSO4 + KOH + O
HN3 + HONH2 = H2N4 + H2O =>
HN3 + HONH2 = H2N4 + H2O
(C)5(H)4 + (O)2 = (CO)2 + (H)2(O) =>
2(C)5(H)4 + 7(O)2 = 5(CO)2 + 4(H)2(O)
Fe + IO4 = Fe(IO4)3 =>
Fe + 3 IO4 = Fe(IO4)3
Li2O = Li + OO =>
2 Li2O = 4 Li + OO
N2 + H = NH3 =>
N2 + 6 H = 2 NH3
HOOH = HOH + O2 =>
2 HOOH = 2 HOH + O2
GaBr3 + Cl = GaCl3 + Br =>
GaBr3 + 3 Cl = GaCl3 + 3 Br
Cr2O3 + P4 + P4O10 = Cr2P2O7 =>
10 Cr2O3 + P4 + 4 P4O10 = 10 Cr2P2O7
Mg + FeCl3 = MgCl2 + Fe2 =>
3 Mg + 2 FeCl3 = 3 MgCl2 + Fe2
SBr4 + H2O = H2SO3 + HBr =>
SBr4 + 3 H2O = H2SO3 + 4 HBr
Na + H2O = NaOH + H2 =>
2 Na + 2 H2O = 2 NaOH + H2
C21H23NO5 + O2 = CO2 + H2O + NO2 =>
4 C21H23NO5 + 101 O2 = 84 CO2 + 46 H2O + 4 NO2
C2H4O + O2 = C2H4CO2 + H2O =>
6 C2H4O + 3 O2 = 4 C2H4CO2 + 4 H2O
CN + MnO4 = CNO + MnO2 =>
2 CN + MnO4 = 2 CNO + MnO2
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Équations équilibrées sur02/07/25
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