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Physico-chemical experiments are reviewed and the thermodynamic properties of solid and gaseous zirconium halides of the general formula ZrX n (X = F, Cl, Br, I; n = 1-4) are evaluated and, where necessary, estimated by analogy with other metal halide systems. Thermodynamic key values at 298.15 K and heat capacity equations are tabulated up to 1500 K for the solid phase and 3000 K for the...
The vapour pressure of tetraethoxysilane, Si(OC 2 H 5 ) 4 (s,1), has been measured from 323 to 442 K and can be presented by the equation log(p/Pa) = 37.5498 - 3940.10/(T/K) - 8.92951 log (T/K). The boiling point derived from this equation is 441.3 K. The enthalpy of vaporization, Δ vap H om (298.15 K), obtained by second- and third-law evaluation...
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