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THE DENSITY OF CARBON DIOXIDE

1931; National Research Council Canada; Volume: 4; Issue: 3 Linguagem: Inglês

10.1139/cjr31-019

1923-4287

D. LeB. Cooper, O. Maass,

Chemical Thermodynamics and Molecular Structure

The work published in a previous communication has been extended and revised. Determinations of the density of carbon dioxide are shown for five temperatures from − 30° to + 77 °C., and over a pressure range of 760 to 250 mm. of mercury. The extrapolation of these curves to zero pressure shows a mean value for the atomic weight of carbon = 12.004 ± 0.003. A graph is included which shows the apparent molecular weight as a function of the temperature; molecular volumes have been calculated from this.The results give P.V.T. values for CO 2 in the above temperature and pressure range, with an accuracy considered to be greater than available data.