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Carbon Dioxide. The Heat Capacity and Vapor Pressure of the Solid. The Heat of Sublimation. Thermodynamic and Spectroscopic Values of the Entropy
Abstract
An apparatus for low temperature calorimetric and vapor pressure measurements on condensed gases is described. The heat capacity of solid carbon dioxide has been measured from 15 to 195°K. The heat of vaporization at the sublimation point, 194.67°K, was found to be 6030 cal./mole. The vapor pressure has been measured and the observations are closely represented by the equation: Solid carbon dioxide, 154 — 196°K; log10 P(int. cm Hg) = — (1354.210/T)+8.69903+0.0015880T—4.5107×10—6T2. The entropy of carbon dioxide gas has been calculated from the calorimetric data and the third law of thermodynamics to be 51.11 cal./deg. per mole at 298.1°K. This value is in excellent agreement with the value 51.07 cal./deg. per mole obtained from band spectrum data.
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Cited by
Acree, W., & Chickos, J. S. (2016) · Journal of Physical and Chemical Reference Data · doi:10.1063/1.4948363 · Cited by 258
Interaction site models for carbon dioxide
Murthy, C. S., Singer, K., & McDonald, I. R. (1981) · Molecular Physics · doi:10.1080/00268978100102331 · Cited by 254
Adsorption of CO 2 on Graphene: A Combined TPD, XPS, and vdW-DF Study
Takeuchi, K., Yamamoto, S., Hamamoto, Y., Shiozawa, Y., Tashima, K., Fukidome, H., Koitaya, T., Mukai, K., Yoshimoto, S., Suemitsu, M., et al. (2017) · The Journal of Physical Chemistry C · doi:10.1021/acs.jpcc.6b11373 · Cited by 116
Metadata
- Authors
- Giauque, W. F., & Egan, C. J.
- Venue
- The Journal of Chemical Physics
- Publisher
- AIP Publishing
- Published
- 1937-01-01
- Volume
- 5
- Issue
- 1
- Pages
- 45-54
- ISSN
- 0021-9606 (ISSN-L)
- 1089-7690
- OpenAlex
- W1975377019
- Cited by
- 167
- References
- 0
- FWCI
- 7.83
- Type
- journal article
- Language
- en
- Open access
- closed
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- CoChat. (2026). Citation check: Carbon Dioxide. The Heat Capacity and Vapor Pressure of the Solid. The Heat of Sublimation. Thermodynamic and Spectroscopic Values of the Entropy. https://app.cochat.ai/papers/10.1063/1.1749929
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- Giauque, W. F., & Egan, C. J. (1937). Carbon Dioxide. The Heat Capacity and Vapor Pressure of the Solid. The Heat of Sublimation. Thermodynamic and Spectroscopic Values of the Entropy. The Journal of Chemical Physics. https://doi.org/10.1063/1.1749929
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