(Solved) Ethyl alcohol has a vapor pressure of 20.0 mm Hg at 8.0C and a

July 21, 2017UncategorizedBy classhelp24@gmail.com [email if you need fresh paper done]

Ethyl alcohol has a vapor pressure of 20.0 mm Hg at 8.0?C and a normal boiling point of 78.4?C. Estimate the vapor pressure at 45?C using (a) the Antoine equation; (b) the Clausius-Clapeyron equation and the two given data points; and (c) linear interpolation between the two given points. Taking the first estimate to be correct, calculate the percentage error associated with the second and third estimates.

The vapor pressure of an organic solvent is 50 mm Hg at 25?C and 200 mm Hg at 45?C. The solvent is the only species in a closed flask at 35?C and is present in both liquid and vapor states. The volume of gas above the liquid is 150 mL.

(a)??

Estimate the amount of the solvent (mol) contained in the gas phase.

(b)??

What assumptions did you make? How would your answer change if the species?dimerized?(one molecule results from two molecules of the species combining)?

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