| Équations équilibrées la veille | Équations équilibrées le lendemain |
Cu(CO3)2 + Ag(NO3)2 = Cu(NO3)2 + Ag(CO3)2
C6H5C3H5 + KMnO4 + H2O = C6H5C3H7O2 + KOH + MnO2 =>
3 C6H5C3H5 + 2 KMnO4 + 4 H2O = 3 C6H5C3H7O2 + 2 KOH + 2 MnO2
SnCl4 + NH4Cl = (NH4)2SnCl6 =>
SnCl4 + 2 NH4Cl = (NH4)2SnCl6
CH3COOH + NaHCO3 = CH3CO2Na + CO2 + H2O =>
CH3COOH + NaHCO3 = CH3CO2Na + CO2 + H2O
FeSO4 + Br = Fe2(SO4)3 + FeBr3 =>
3 FeSO4 + 3 Br = Fe2(SO4)3 + FeBr3
CH3CH2CH2OH + Cr2O7{2-} + H{+} = CH3CH2CHO + Cr{3+} + H2O =>
3 CH3CH2CH2OH + Cr2O7{2-} + 8 H{+} = 3 CH3CH2CHO + 2 Cr{3+} + 7 H2O
Fe + HC1 = FeC13 + H2 =>
2 Fe + 26 HC1 = 2 FeC13 + 13 H2
C7H5Br3 + CH3Br = C10H14 + HBr =>
C7H5Br3 + 13 CH3Br = 2 C10H14 + 16 HBr
NH3(g) + O2(g) + CH4 = HCN(aq) + H2O(l) =>
2 NH3(g) + 3 O2(g) + 2 CH4 = 2 HCN(aq) + 6 H2O(l)
CO2 + HNO3 = HCO3 + NO2 =>
CO2 + HNO3 = HCO3 + NO2
ZnO + NaNO3 = Zn(NO3)2 + Na2O =>
ZnO + 2 NaNO3 = Zn(NO3)2 + Na2O
Pb + Na = Na4Pb9 =>
9 Pb + 4 Na = Na4Pb9
Fe(s) + CuSO4(l) = FeSO4(l) + Cu(s) =>
Fe(s) + CuSO4(l) = FeSO4(l) + Cu(s)
K2Cr2O7 + NaHSO3 + H2SO4 = Cr2(SO4)3 + Na2SO4 + H2O + KOH =>
2 K2Cr2O7 + 6 NaHSO3 + 3 H2SO4 = 2 Cr2(SO4)3 + 3 Na2SO4 + 4 H2O + 4 KOH
Zn(s) + HCl(l) = ZnCl2(s) + H2(g) =>
Zn(s) + 2 HCl(l) = ZnCl2(s) + H2(g)
C6H5CHO + I2 + NaOH = C6H5COONa + NaI + H2O =>
C6H5CHO + I2 + 3 NaOH = C6H5COONa + 2 NaI + 2 H2O
Zr + HCl + HNO3 = H2ZrCl6 + NO + H2O =>
3 Zr + 18 HCl + 4 HNO3 = 3 H2ZrCl6 + 4 NO + 8 H2O
Li2SO4 + HCl = LiCl + H2SO4 =>
Li2SO4 + 2 HCl = 2 LiCl + H2SO4
CrCl2 + Li2CO3 = CrCO3 + LiCl =>
CrCl2 + Li2CO3 = CrCO3 + 2 LiCl
FeS2 + H2O2 = Fe(OH)3 + H2SO4 + H2O =>
2 FeS2 + 15 H2O2 = 2 Fe(OH)3 + 4 H2SO4 + 8 H2O
CH2O2 = CHO2 + H =>
CH2O2 = CHO2 + H
C5H10 + HBr = C5H11 + Br =>
C5H10 + HBr = C5H11 + Br
BaS + HCl = BaCl2 + H2S =>
BaS + 2 HCl = BaCl2 + H2S
CH4 + KMnO4 + H2O = CH3OH + MnO2 + KOH =>
3 CH4 + 2 KMnO4 + H2O = 3 CH3OH + 2 MnO2 + 2 KOH
CuSO4(aq) + KI(aq) = CuI(s) + KI3(aq) + K2SO4(aq) =>
2 CuSO4(aq) + 5 KI(aq) = 2 CuI(s) + KI3(aq) + 2 K2SO4(aq)
C3H7COOC5H11 + H2O = C8H16O2 + CH3OH =>
C3H7COOC5H11 + H2O = C8H16O2 + CH3OH
KNO3 + KI = K + INO3 =>
KNO3 + KI = 2 K + INO3
CH2 + H2O = C2H5OH =>
2 CH2 + H2O = C2H5OH
Zn(s) + AgCl(s) = ZnCl2 + Ag(s) =>
Zn(s) + 2 AgCl(s) = ZnCl2 + 2 Ag(s)
C4H6O6 + NaHCO3 = Na2C4HO6 + CO2 + H2O =>
7 C4H6O6 + 20 NaHCO3 = 10 Na2C4HO6 + 8 CO2 + 26 H2O
Fe(NO3)3 + H2CO3 = Fe2(CO3)3 + HNO3 =>
2 Fe(NO3)3 + 3 H2CO3 = Fe2(CO3)3 + 6 HNO3
FeO + HNO3 = Fe(NO3)3 + NO2 + H2O =>
FeO + 4 HNO3 = Fe(NO3)3 + NO2 + 2 H2O
MnO2(s) + HCl(g) = Cl2(g) + MnCl2(aq) + H2O(l) =>
MnO2(s) + 4 HCl(g) = Cl2(g) + MnCl2(aq) + 2 H2O(l)
C6H14O = C6H12 + H2O =>
C6H14O = C6H12 + H2O
KMnO4 + Zn = ZnO + MnO2 + K2O =>
2 KMnO4 + 3 Zn = 3 ZnO + 2 MnO2 + K2O
(NH4)2O = N2 + H2 + O2 =>
2(NH4)2O = 2 N2 + 8 H2 + O2
NaI + KMnO4 + H2O = NaIO3 + MnO2 + KOH =>
NaI + 2 KMnO4 + H2O = NaIO3 + 2 MnO2 + 2 KOH
Co(NO3)2 + KI = CoI2 + KNO3 =>
Co(NO3)2 + 2 KI = CoI2 + 2 KNO3
Fe(NO3)2 + O2 + H2O = Fe2O3 + HNO3 =>
4 Fe(NO3)2 + O2 + 4 H2O = 2 Fe2O3 + 8 HNO3
P + H2O + Br2 = HBr + H3PO3 =>
2 P + 6 H2O + 3 Br2 = 6 HBr + 2 H3PO3
Cu + F = Cu2F =>
2 Cu + F = Cu2F
C22H46 + CuO = CO2 + H2O + Cu =>
C22H46 + 67 CuO = 22 CO2 + 23 H2O + 67 Cu
NaClO2(aq) + H2O(l) = HClO2(aq) + NaOH(aq) =>
NaClO2(aq) + H2O(l) = HClO2(aq) + NaOH(aq)
CuSO4(aq) + KI(aq) = CuI(s) + I2(s) + K2SO4(aq) =>
2 CuSO4(aq) + 4 KI(aq) = 2 CuI(s) + I2(s) + 2 K2SO4(aq)
Na2SO4 + BaCO3 = BaSO4 + Na2CO3 =>
Na2SO4 + BaCO3 = BaSO4 + Na2CO3
PbS + CaCO3 = PbCO3 + CaS =>
PbS + CaCO3 = PbCO3 + CaS
C(g) + O2(g) = CO(g) =>
2 C(g) + O2(g) = 2 CO(g)
AgF + ZnCl2 = AgCl + ZnF2 =>
2 AgF + ZnCl2 = 2 AgCl + ZnF2
N2F4 = NF2 =>
N2F4 = 2 NF2
P + IO3{-} + OH{-} = HPO3{-2} + I2 + H2O =>
10 P + 6 IO3{-} + 14 OH{-} = 10 HPO3{-2} + 3 I2 + 2 H2O
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Équations équilibrées sur10/23/24
Équations équilibrées sur11/22/23
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