| Équations équilibrées la veille | Équations équilibrées le lendemain |
2 N2 + 5 O2 = 2 N2O5
FeH2PO4 + H2O + C6H12O6 = H3PO4 + Fe + HCO3 =>
30 FeH2PO4 + 12 H2O + C6H12O6 = 30 H3PO4 + 30 Fe + 6 HCO3
CH3CH2Cl + K = CH3CH2 + KCl =>
CH3CH2Cl + K = CH3CH2 + KCl
C1228H1750O830S1N38 + H2O = C3H6O2 + CO2 + SO2 + NO2 =>
7 C1228H1750O830S1N38 + 1612 H2O = 2579 C3H6O2 + 859 CO2 + 7 SO2 + 266 NO2
H2SO4 + KOH = K2SO4 + H2O =>
H2SO4 + 2 KOH = K2SO4 + 2 H2O
NaCl + KCl = KNaCl2 =>
NaCl + KCl = KNaCl2
H2(CO3) + V(OH)5 = V2(CO3)5 + H2O =>
5 H2(CO3) + 2 V(OH)5 = V2(CO3)5 + 10 H2O
SeCl6 + O2 = SeO2 + Cl2 =>
SeCl6 + O2 = SeO2 + 3 Cl2
KNO2 + KMnO4 + H2SO4 = KNO3 + Mn2SO4 + K2SO4 + H2O =>
6 KNO2 + 2 KMnO4 + 2 H2SO4 = 6 KNO3 + Mn2SO4 + K2SO4 + 2 H2O
KCO3 + CaCl2 = KCl2 + CaCO3 =>
KCO3 + CaCl2 = KCl2 + CaCO3
HCl + AgNa = NaCl + HAg =>
HCl + AgNa = NaCl + HAg
FeS + HBr = FeH + BrS =>
FeS + HBr = FeH + BrS
CuCO3*Ca(OH)2 = Cu(OH)2*CaCO3 =>
CuCO3*Ca(OH)2 = Cu(OH)2*CaCO3
CO + KMnO4 + KOH = CO2 + K2MnO4 + H2O =>
CO + 2 KMnO4 + 2 KOH = CO2 + 2 K2MnO4 + H2O
K4[Fe(CN)6] + NaClO3 + HCl = K3[Fe(CN)6] + NaCl + KCl + H2O =>
6 K4[Fe(CN)6] + NaClO3 + 6 HCl = 6 K3[Fe(CN)6] + NaCl + 6 KCl + 3 H2O
C2H6O + O2 = CO2 + H2O =>
C2H6O + 3 O2 = 2 CO2 + 3 H2O
CH3OH + K2Cr2O7 + HCl = CrCl3 + HCOOH + H2O + KCl =>
3 CH3OH + 2 K2Cr2O7 + 16 HCl = 4 CrCl3 + 3 HCOOH + 11 H2O + 4 KCl
Cu + CO2 = Cu2O + C =>
4 Cu + CO2 = 2 Cu2O + C
Na2SiO3 + Ca(CH3COO)2 + H2O = NaCH3COO + Si(CH3COO)4 + Ca(OH)2 =>
Na2SiO3 + 3 Ca(CH3COO)2 + 3 H2O = 2 NaCH3COO + Si(CH3COO)4 + 3 Ca(OH)2
H2 + O2 = H2O =>
2 H2 + O2 = 2 H2O
B2O3 + Mg = MgO + B =>
B2O3 + 3 Mg = 3 MgO + 2 B
LiOH + H2CO3 = Li2CO3 + H2O =>
2 LiOH + H2CO3 = Li2CO3 + 2 H2O
Pb(NO3)2 + KI = PbI2 + KNO3 =>
Pb(NO3)2 + 2 KI = PbI2 + 2 KNO3
LiOH + H2CO3 = Li2CO3 + H2O =>
2 LiOH + H2CO3 = Li2CO3 + 2 H2O
Cu(NO3)2 + KIO3 = K(NO3) + Cu(IO3)2 =>
Cu(NO3)2 + 2 KIO3 = 2 K(NO3) + Cu(IO3)2
C2H5OH + O2 = CO2 + H2O =>
C2H5OH + 3 O2 = 2 CO2 + 3 H2O
LiOH + H2CO3 = Li2CO3 + H2O =>
2 LiOH + H2CO3 = Li2CO3 + 2 H2O
NaNO3 + Zn + HCl = ZnCl2 + NaNO2 + H2O =>
NaNO3 + Zn + 2 HCl = ZnCl2 + NaNO2 + H2O
SiO2 + HF = SiF4 + H2O =>
SiO2 + 4 HF = SiF4 + 2 H2O
Na2SO4 + LiCl = Na2Cl + SO4Li =>
Na2SO4 + LiCl = Na2Cl + SO4Li
C2H6O(ethanol) + O2 = CO2 + H2O =>
C2H6O(ethanol) + 3 O2 = 2 CO2 + 3 H2O
HMnO4 + Bi(NO3)3 + KNO3 + H2O = Mn(NO3)2 + KBiO3 + HNO3 =>
2 HMnO4 + 5 Bi(NO3)3 + 5 KNO3 + 7 H2O = 2 Mn(NO3)2 + 5 KBiO3 + 16 HNO3
SiO2 + HF = SiF4 + H2O =>
SiO2 + 4 HF = SiF4 + 2 H2O
H3PO4 + Mg(OH)2 = Mg3(PO4)2 + H2O =>
2 H3PO4 + 3 Mg(OH)2 = Mg3(PO4)2 + 6 H2O
Mg(s) + ZnCl(aq) = Zn2(g) + MgCl2(aq) =>
Mg(s) + 2 ZnCl(aq) = Zn2(g) + MgCl2(aq)
Mg(s) + HCl(aq) = H2(g) + MgCl2(aq) =>
Mg(s) + 2 HCl(aq) = H2(g) + MgCl2(aq)
Fe2(SO4)3 + S2O4 + H2O = FeSO4 + H2SO4 =>
2 Fe2(SO4)3 + S2O4 + 4 H2O = 4 FeSO4 + 4 H2SO4
NO2 + H2O = HNO3 + HNO2 =>
2 NO2 + H2O = HNO3 + HNO2
Mg(NO3)2 + EDTA = MgEDTA + NO3 =>
Mg(NO3)2 + EDTA = MgEDTA + 2 NO3
Cu + S8 = CuS =>
8 Cu + S8 = 8 CuS
C6H5CH2COOH + CH3NH2 + CH3CH2CHOH = C6H5CH2CHCH3NH3CH3 + H2O =>
9 C6H5CH2COOH + 28 CH3NH2 + 60 CH3CH2CHOH = 28 C6H5CH2CHCH3NH3CH3 + 78 H2O
SO3 + H2O = SO2 + OH =>
SO3 + H2O = SO2 + 2 OH
Cu[NO3]2 + KL = Cu2 + L2 + KNO3 =>
2 Cu[NO3]2 + 4 KL = Cu2 + 2 L2 + 4 KNO3
Pb(NO3)2 + HCl = PbHCl + N2O6 =>
Pb(NO3)2 + HCl = PbHCl + N2O6
NaOH + CH4 = Na + CO + H2 =>
2 NaOH + 2 CH4 = 2 Na + 2 CO + 5 H2
C4H8 + HBr = C4H9Br =>
C4H8 + HBr = C4H9Br
(NH4)2S3 + Fe2Cl3 = (NH4)2Cl3 + Fe2S3 =>
(NH4)2S3 + Fe2Cl3 = (NH4)2Cl3 + Fe2S3
C6H5NO2(l) + O2(g) = CO2(g) + H2O(g) + N2(g) =>
4 C6H5NO2(l) + 25 O2(g) = 24 CO2(g) + 10 H2O(g) + 2 N2(g)
H2Se + Pb(OH)4 = Pb(OH)2Se + H2O =>
H2Se + Pb(OH)4 = Pb(OH)2Se + 2 H2O
CH3CH2(g) + O2(g) = CO2(g) + H20(g) =>
4 CH3CH2(g) + 8 O2(g) = 8 CO2(g) + H20(g)
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Équations équilibrées sur04/21/25
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