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EN
The values of the enthalpy of solution of acetophenone in methanol, butanol-1, 2-methylpropanol-1 and butanol-2 with in the concentration range from ca. 0.003 mole/kg to ca.0.043 mole/kg at 286.16 K have been determined. It has been found that the heat of solution of acetophenone in the investigated alcohols is independent of concentration. The enthalpy of solution of acetophenone in the investigated alcohols at infinite dilutions has been obtained.
PL
Zmierzono wartości entalpii i rozpuszczania acetofenonu w metanolu, n-butanolu, izobutanolu (2-metylo-propanolu-1) i butanolu-2 w przedziale stężeń od ok. 0,003 mol/kg do ok.0,043 mol/kg w temperaturze 286,16 K. Stwierdzono, że entalpia rozpuszczania acetofenonu w badanych alkoholach nie zależy od stężenia. Określono entalpię rozpuszczania acetofenonu w badanych alkoholach w rozcieńczeniu nieskończenie wielkim.
EN
Enthalpies of solution of benzoic aldehyde in methanol, ethanol, n-propanol, n-butanol, iso-butanol (2-methylpropanol-1), and butanol-2 were measured at 298.15 K in the range of concentrations from ca. 0.004 mole. kg⁻¹ to ca. 0.04 mole. kg⁻¹. A linear correlation was found between the molal enthalpy of solutions of benzoic aldehyde in infinitely dilute solutions and Hancock's steric coefficients.
EN
The values of the solution enthalpy of benzophenone In methanol, n-buthnol, 2-methylpropanol-l and butanol-2 have been measured within the range from ca. 0.002 mol. kg⁻¹ to ca 0.04 mol. kg⁻¹ concentration range at 286.16 K and 298.16 K. It has been found that the solution enthalpy of benzophenone in the investigated alcohols in the above concentration range is constant within this experimental error.
PL
Zmierzono wartości entalpii rozpuszczania benzofenonu w metanolu, n-butanolu, izo-butanolu (2-metylopropanolu-l) i butanolu-2 w zakresie stężeń od około 0,002 mol. kg⁻¹ do około 0,04 mol. kg⁻¹ w temperaturze 286,16 K i 298,16 K. Ustalono, że entalpia rozpuszczania benzofenonu w badanych alkoholach w wymienionym przedziale stężeń w granicach błędu eksperymentalnego jest stała.
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