| Équations équilibrées la veille | Équations équilibrées le lendemain |
11 CH3COOH + 8 CH3CHCH2CH3 = 9 CH3COOCH3CHCH2CH3 + 4 H2O
C3H8 = C + H2 =>
C3H8 = 3 C + 4 H2
[CH4] + [O2] = [C2O4] + [H] =>
2[CH4] + 2[O2] = [C2O4] + 8[H]
HCl + Ca(H){2} = HH + CaCl{2} =>
HCl + Ca(H){2} = HH + CaCl{2}
C2H5OH + K2Cr2O7 + H2SO4 = CO + Cr2(SO4)3 + K2SO4 + H2O =>
3 C2H5OH + 4 K2Cr2O7 + 16 H2SO4 = 6 CO + 4 Cr2(SO4)3 + 4 K2SO4 + 25 H2O
KI + Ag(NH3)2 = AgI + K(NH3)2 =>
KI + Ag(NH3)2 = AgI + K(NH3)2
KMnO4 + H2SO4 + KNO2 = NO2 + MnSO4 + K2SO4 + H2O =>
KMnO4 + 4 H2SO4 + 5 KNO2 = 5 NO2 + MnSO4 + 3 K2SO4 + 4 H2O
NaClO3 + H2SO4 = HClO3 + NaHSO4 =>
NaClO3 + H2SO4 = HClO3 + NaHSO4
Zn + AlCl3 + H2O = AlOHCl2 + ZnCl2 + H2 =>
Zn + 2 AlCl3 + 2 H2O = 2 AlOHCl2 + ZnCl2 + H2
CaO + AlP = Ca3P2 + Al2O3 =>
3 CaO + 2 AlP = Ca3P2 + Al2O3
NO3 + SO4 = NO3SO4 =>
NO3 + SO4 = NO3SO4
CuNO3(aq) + Na2CO3(aq) = Cu2CO3 + NaNO3 =>
2 CuNO3(aq) + Na2CO3(aq) = Cu2CO3 + 2 NaNO3
Na2Cr2O7 + NaNO2 + H2SO4 = Cr2(SO4)3 + NaNO3 + Na2SO4 + H2O =>
Na2Cr2O7 + 3 NaNO2 + 4 H2SO4 = Cr2(SO4)3 + 3 NaNO3 + Na2SO4 + 4 H2O
KMnO4 + C3H5(OH)2 = K2CO3 + Mn2O3 + CO2 + H2O =>
30 KMnO4 + 8 C3H5(OH)2 = 15 K2CO3 + 15 Mn2O3 + 9 CO2 + 28 H2O
CdF2 + Br2 = Br4Cd2 + F2 =>
2 CdF2 + 2 Br2 = Br4Cd2 + 2 F2
C20H16O5 + O2 = CO2 + H2O =>
2 C20H16O5 + 43 O2 = 40 CO2 + 16 H2O
LaN + NiH = LaH + Ni + NH3 =>
LaN + 4 NiH = LaH + 4 Ni + NH3
Ba(OH)2 + HI = BaI2 + H2O =>
Ba(OH)2 + 2 HI = BaI2 + 2 H2O
Cl2 + LiI2 = ClLi2 + I2 =>
Cl2 + 4 LiI2 = 2 ClLi2 + 4 I2
C6H12 + KMnO4 + H2SO4 = K2SO4 + MnSO4 + H2O + CO2 =>
5 C6H12 + 36 KMnO4 + 54 H2SO4 = 18 K2SO4 + 36 MnSO4 + 84 H2O + 30 CO2
NaBr + KMnO4 + H2SO4 = Br2 + MnSO4 + H2O + K2SO4 + Na2SO4 =>
10 NaBr + 2 KMnO4 + 8 H2SO4 = 5 Br2 + 2 MnSO4 + 8 H2O + K2SO4 + 5 Na2SO4
As2S3 + HNO3 + H2O = H2SO4 + H3AsO4 + NO =>
3 As2S3 + 28 HNO3 + 4 H2O = 9 H2SO4 + 6 H3AsO4 + 28 NO
S + Cu = CuS2 =>
2 S + Cu = CuS2
SbCl4{-} + Fe = Sb + Fe{3+} + Cl{-} =>
SbCl4{-} + Fe = Sb + Fe{3+} + 4 Cl{-}
I2 + KMnO4 + H2O = KIO3 + KOH + MnO2 =>
3 I2 + 10 KMnO4 + 2 H2O = 6 KIO3 + 4 KOH + 10 MnO2
KMnO4 + KNO2 + KHSO4 = MnSO4 + H2O + KNO3 + K2SO4 =>
2 KMnO4 + 5 KNO2 + 6 KHSO4 = 2 MnSO4 + 3 H2O + 5 KNO3 + 4 K2SO4
Zn + HCl = Zn(H2) + Cl =>
Zn + 2 HCl = Zn(H2) + 2 Cl
potassium + aluminiumsulfate = potassiumsulfate + aluminium =>
6 K + Al2(SO4)3 = 3 K2SO4 + 2 Al
H4P2O7 + KOH = H2O + K4P2O7 =>
H4P2O7 + 4 KOH = 4 H2O + K4P2O7
(NH4)2O + NaOH = NH4OH + Na2O =>
(NH4)2O + 2 NaOH = 2 NH4OH + Na2O
I + K2SO3 + KOH = KI + KSO4 + H2O =>
3 I + K2SO3 + 2 KOH = 3 KI + KSO4 + H2O
C2H2O4 + H2O + KCl + NO = C10H15N + HCl + KNO3 =>
15 C2H2O4 + 31 H2O + 47 KCl + 50 NO = 3 C10H15N + 47 HCl + 47 KNO3
AgNO3 + NaCl = AgCl + NaNO3 =>
AgNO3 + NaCl = AgCl + NaNO3
Zn + HCl = Zn(H2) + Cl =>
Zn + 2 HCl = Zn(H2) + 2 Cl
NH4ClO4(s) = N2(g) + H2O(g) + O2(g) + HCl(g) =>
4 NH4ClO4(s) = 2 N2(g) + 6 H2O(g) + 5 O2(g) + 4 HCl(g)
NH3 + KMnO4 + H2SO4 = MnSO4 + N2 + K2SO4 + H2O =>
10 NH3 + 6 KMnO4 + 9 H2SO4 = 6 MnSO4 + 5 N2 + 3 K2SO4 + 24 H2O
Zn + Al2(SO4)3 = ZnSO4 + Al =>
3 Zn + Al2(SO4)3 = 3 ZnSO4 + 2 Al
CH3OH + CHOOH = CHOOCH3 + H2O =>
CH3OH + CHOOH = CHOOCH3 + H2O
Mg(s) + NaOH(aq) = MgO(s) + Na(s) + H2(g) =>
2 Mg(s) + 2 NaOH(aq) = 2 MgO(s) + 2 Na(s) + H2(g)
Cr + H2O2 + KOH = K2CrO4 + H2O =>
Cr + 3 H2O2 + 2 KOH = K2CrO4 + 4 H2O
Al(s) + HCl(aq) = H2(g) + AlCl3(aq) =>
2 Al(s) + 6 HCl(aq) = 3 H2(g) + 2 AlCl3(aq)
LaN + NiH = LaH + Ni + NH3 =>
LaN + 4 NiH = LaH + 4 Ni + NH3
H3C6H5O7 + HCO3{-} = C6H5O7{3-} + CO2 + H2O =>
H3C6H5O7 + 3 HCO3{-} = C6H5O7{3-} + 3 CO2 + 3 H2O
Li2O + SO3 + H2O = LiH + SO3(OH)2 =>
Li2O + 2 SO3 + 3 H2O = 2 LiH + 2 SO3(OH)2
K2CrO7 + HCl = Cl2 + KCl + CrCl2 + H2O =>
K2CrO7 + 14 HCl = 5 Cl2 + 2 KCl + CrCl2 + 7 H2O
K2CrO4 + KCl + H2 + H2O = CrCl3 + KOH =>
2 K2CrO4 + 6 KCl + 3 H2 + 2 H2O = 2 CrCl3 + 10 KOH
HCl + Fe = Fe2Cl + H12 =>
12 HCl + 24 Fe = 12 Fe2Cl + H12
COH2 + OF2 = HF + CO2 =>
COH2 + OF2 = 2 HF + CO2
NaOH + H3PO3 = H2O + NaH2PO3 =>
NaOH + H3PO3 = H2O + NaH2PO3
H2O + SOH = H3O + SO4 =>
10 H2O + SOH = 7 H3O + SO4
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