Adiabatic compressibility and structure of aqueous solutions of ethyl alcohol

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Abstract
The adiabatic compressibility of ethanol–water mixtures has been measured as a function of temperature and alcohol mole fraction; the measurements were carried out at 5 °C intervals over the 10–40 °C range of temperature and over the entire range of cosolvent concentration. The experimental results are compared with other physicochemical measurements available for these mixtures and discussed in terms of possible mechanisms of molecular aggregation in the various regions of ethanol concentration.