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Heat Capacity of an Ethylene Glycol–Dimethylsulfoxide System

  • CHEMICAL THERMODYNAMICS AND THERMOCHEMISTRY
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Abstract

The heat capacity of an ethylene glycol (EG)–dimethylsulfoxide (DMSO) liquid system is measured to determine its solvophobic effect. Measurements are made in the temperature range of 300–340 K for pure DMSO and the 0 to ~15 and 50 mol % ranges of DMSO concentrations. The concentration dependences of the apparent and excess apparent heat capacities of DMSO are calculated at five given temperatures. The results are explained from the viewpoint of the weak solvophobic effect in the studied EG–DMSO system.

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ACKNOWLEDGMENTS

The authors are grateful to Yu.I. Naberukhin for discussing this work and offering valuable advice.

Funding

This work was performed as part of a State Task for the Kurnakov Institute of General and Inorganic Chemistry in the field of fundamental scientific research. It was supported by the Russian Foundation for Basic Research, project no. 19-03-00215.

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Authors and Affiliations

  1. Kurnakov Institute of General and Inorganic Chemistry, Russian Academy of Sciences, 119991, Moscow, Russia

    A. V. Tyurin, I. A. Solonina, M. N. Rodnikova & D. A. Sirotkin

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  1. A. V. Tyurin
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  2. I. A. Solonina
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  3. M. N. Rodnikova
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  4. D. A. Sirotkin
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Corresponding author

Correspondence to M. N. Rodnikova.

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Tyurin, A.V., Solonina, I.A., Rodnikova, M.N. et al. Heat Capacity of an Ethylene Glycol–Dimethylsulfoxide System. Russ. J. Phys. Chem. 95, 1551–1554 (2021). https://doi.org/10.1134/S0036024421080288

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  • DOI: https://doi.org/10.1134/S0036024421080288

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