| Équations équilibrées la veille | Équations équilibrées le lendemain |
3 HCOOH + Cr = Cr(HCOO)3 + 3 H
P2O3 + HCl = H2O + PCl3 =>
P2O3 + 6 HCl = 3 H2O + 2 PCl3
Zn(NO3)2 = ZnO + O2 + NO2 =>
2 Zn(NO3)2 = 2 ZnO + O2 + 4 NO2
Cl2(g) + OH{-}(aq) = ClO3{-}(aq) + Cl{-}(aq) + H2O(l) =>
3 Cl2(g) + 6 OH{-}(aq) = ClO3{-}(aq) + 5 Cl{-}(aq) + 3 H2O(l)
Cd + CuSO4 = CdSO4 + Cu =>
Cd + CuSO4 = CdSO4 + Cu
NaCl + H2O = NaOH + HCl =>
NaCl + H2O = NaOH + HCl
C7H17(l) + O2(g) = CO2(g) + H2O(g) =>
4 C7H17(l) + 45 O2(g) = 28 CO2(g) + 34 H2O(g)
Bi + HClO2 + H{+} = HOCl + H2O + Bi{3+} =>
2 Bi + 3 HClO2 + 6 H{+} = 3 HOCl + 3 H2O + 2 Bi{3+}
Cu{2+} + Pt = Pt{+2} + Cu{+} =>
2 Cu{2+} + Pt = Pt{+2} + 2 Cu{+}
ZnS + O2 = ZnO + SO2 =>
2 ZnS + 3 O2 = 2 ZnO + 2 SO2
Ba + Li2SO4 = Li2 + BaSO4 =>
Ba + Li2SO4 = Li2 + BaSO4
Cu + AgNO3 = Cu(NO3)2 + Ag =>
Cu + 2 AgNO3 = Cu(NO3)2 + 2 Ag
Si + HCl = SiCl + H =>
Si + HCl = SiCl + H
Sn(OH)2 = OH + Sn =>
Sn(OH)2 = 2 OH + Sn
MgSO4(aq) + KBr(aq) = KSO4 + MgBr =>
MgSO4(aq) + KBr(aq) = KSO4 + MgBr
C10H16O + O2 = CO2 + H2O =>
2 C10H16O + 27 O2 = 20 CO2 + 16 H2O
S + NO3{-} + H2O = SO4{-2} + N2 + H{+} =>
5 S + 6 NO3{-} + 2 H2O = 5 SO4{-2} + 3 N2 + 4 H{+}
(CH3CO2)2Zn + H2S = ZnS + C4H8O4 =>
(CH3CO2)2Zn + H2S = ZnS + C4H8O4
F2(g) + NH3(g) = N2F4 + HF =>
5 F2(g) + 2 NH3(g) = N2F4 + 6 HF
Al2(SiO3)3 + KOH = K2SiO3 + Al(OH)3 =>
Al2(SiO3)3 + 6 KOH = 3 K2SiO3 + 2 Al(OH)3
Pb + H2O2 + CH3COOH = Pb(CH3COO)2 + H2O =>
Pb + H2O2 + 2 CH3COOH = Pb(CH3COO)2 + 2 H2O
(NH4)2C2O4 + KMnO4 + H2SO4 = MnSO4 + K2SO4 + CO2 + (NH4)2SO4 + H2O =>
5(NH4)2C2O4 + 2 KMnO4 + 8 H2SO4 = 2 MnSO4 + K2SO4 + 10 CO2 + 5(NH4)2SO4 + 8 H2O
Zn + CaO = ZnO + Ca =>
Zn + CaO = ZnO + Ca
KCr + Ag(NO3) = K(NO3) + CrAg =>
KCr + Ag(NO3) = K(NO3) + CrAg
Hg(NO3)2 = HgO + NO2 + O2 =>
2 Hg(NO3)2 = 2 HgO + 4 NO2 + O2
B + H2 = BH3 =>
2 B + 3 H2 = 2 BH3
SO3 + LiOH = Li2(SO4) + H2O =>
SO3 + 2 LiOH = Li2(SO4) + H2O
Zn + H2SO2 = S + ZnSO4 + H2O =>
Zn + 4 H2SO2 = 3 S + ZnSO4 + 4 H2O
Mg + Cu{2+} = Mg{+}2 + Cu =>
2 Mg + Cu{2+} = 2 Mg{+}2 + Cu
CrCl2 + H2O = [Cr(OH)]Cl + HCl =>
CrCl2 + H2O = [Cr(OH)]Cl + HCl
CrCl3 + KOH = KCl + Cr(OH)3 =>
CrCl3 + 3 KOH = 3 KCl + Cr(OH)3
Li2SO3 + HgBr = LiBr + Hg2SO3 =>
Li2SO3 + 2 HgBr = 2 LiBr + Hg2SO3
Na + H2O = NaOH + H2 =>
2 Na + 2 H2O = 2 NaOH + H2
As4S4 + O2 = As4O6 + SO2 =>
As4S4 + 7 O2 = As4O6 + 4 SO2
Si(s) + HF(at) = SiF(g) + H2(g) =>
2 Si(s) + 2 HF(at) = 2 SiF(g) + H2(g)
Cr(OH)2 + Na2O2 = Na2CrO4 + NaOH =>
Cr(OH)2 + 2 Na2O2 = Na2CrO4 + 2 NaOH
PbCrO4 + Na2S + H2O = Na2SO4 + Cr(OH)3 + Pb(OH)2 =>
8 PbCrO4 + 3 Na2S + 20 H2O = 3 Na2SO4 + 8 Cr(OH)3 + 8 Pb(OH)2
KMnO4 + C6H12O6 + KOH = MnO2 + K2CO3 + H2O =>
8 KMnO4 + C6H12O6 + 4 KOH = 8 MnO2 + 6 K2CO3 + 8 H2O
HNO3 + NaOH = NaNO3 + H2O =>
HNO3 + NaOH = NaNO3 + H2O
Zn + Cr2O7{-2} + H{+} = Zn{2+} + Cr{2+} + H2O =>
4 Zn + Cr2O7{-2} + 14 H{+} = 4 Zn{2+} + 2 Cr{2+} + 7 H2O
N2SO3 + HCl = NCl + H2SO3 =>
N2SO3 + 2 HCl = 2 NCl + H2SO3
Ba(OH)2 + KHCO3 = KOH + BaCO3 + H2O =>
Ba(OH)2 + KHCO3 = KOH + BaCO3 + H2O
Mg + HAsO4 = MgAsO4 + H2 =>
2 Mg + 2 HAsO4 = 2 MgAsO4 + H2
C8H17OH + MnO4{-} + H{+} = C8H16O + Mn{2+} + H2O =>
5 C8H17OH + 2 MnO4{-} + 6 H{+} = 5 C8H16O + 2 Mn{2+} + 8 H2O
Cu(OH)2 + CH3COOH = Cu(COOH)2 + CH3OH =>
Cu(OH)2 + 2 CH3COOH = Cu(COOH)2 + 2 CH3OH
Na2CrO2 + Na2O2 + H2O = Na2CrO4 + HONa =>
Na2CrO2 + 2 Na2O2 + 2 H2O = Na2CrO4 + 4 HONa
CH3COOH + CH3CH(OH)CH3 = CH3COOCH3CH2CH3 + H2O =>
9 CH3COOH + 14 CH3CH(OH)CH3 = 12 CH3COOCH3CH2CH3 + 8 H2O
CuOHBr + H2O = Cu(OH)2 + HBr =>
CuOHBr + H2O = Cu(OH)2 + HBr
Fe2O3 + Ba(OH)2 = Fe(OH)3 + BaO =>
Fe2O3 + 3 Ba(OH)2 = 2 Fe(OH)3 + 3 BaO
Al2O3 + HCl = AlCl3 + H2O =>
Al2O3 + 6 HCl = 2 AlCl3 + 3 H2O
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Équations équilibrées sur12/10/24
Équations équilibrées sur01/09/24
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