Density,speed of sound,heat capacity,and related properties of 1-hexanol and 2-ethyl-1-butanol as function of temperature and pressure |
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| Institution: | 1. Department of Physics, Vignan Institute of Technology and Science, Deshmukhi, Telangana, India;2. Department of Chemistry, J.K.C.C. Acharya Nagarjuna University, Guntur 522510, AP, India;3. Department of Physics, Govt. First Grade College, Hosakote, Bangalore Rural, Karnataka, India;4. Department of Physics, SSBN College, Anantapur, AP, India;1. Department of Physics, Vignan Institute of Technology and Science, Deshmukhi 508284, India;2. Department of Chemistry, J.K.C.C. Acharya Nagarjuna University, Guntur 522510, Andhra Pradesh, India;3. Department of Physics, Govt. First Grade College, Hosakote, Bangalore Rural, Karnataka, 583101, India;1. Thermo Chemical Laboratories, Department of chemistry, Sri Venkateswara University, Tirupati-517502, India;2. Department of Chemistry, University of Delhi, Delhi - 110 007, India |
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| Abstract: | The speeds of sound in 1-hexanol and 2-ethyl-1-butanol have been measured over the temperature range from (293.15 to 318.15) K and at pressures up to 101 MPa. The densities have been measured within the temperature range from (283.15 to 343.15 or 353.15) K under atmospheric pressure. For the measurements, a pulse-echo-overlap method and a vibrating tube densimeter have been used. Additionally, in the case of 2-ethyl-1-butanol, the isobaric heat capacities from T = (293.15 to 323.15) K at atmospheric pressure have been measured by means of a DSC calorimeter. The experimental results are then used to calculate the densities and isobaric heat capacities as a function of temperature and pressure by means of a numerical integration technique. The effects of pressure and temperature on these and the related properties are discussed. Densities are correlated by means of the Tait equation. |
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