3. True or False. a. The relation d In P/ dT AvapH / RT² should not be applied to solid-liquid transitions. b. The relation d In P/ dT AvapH / RT2 should be applied to liquid-vapor transitions. c. The relationd In P / dT = AvapH / RT² should be applied near the critical point. 4. Some vapor pressures of a certain substance are the following: 1327 48.48 1427 Temp (°C) P (Torr) 1227 1527 1627 19.72 107.2 217.7 408.2 a. Generate the equation of the best-fit line from a plot of In P (Torr) vs. 1/T. b. Find the average AvapH over this temperature range. c. Estimate the liquid's normal boiling point. с. 5. The sublimation pressure of CO2 is 138.85 K and 158.75 K is 1.33x10-3 bar and 2.66x10-2 bar, respectively. Estimate the molar enthalpy of sublimation of CO2.

EBK A SMALL SCALE APPROACH TO ORGANIC L
4th Edition
ISBN:9781305446021
Author:Lampman
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Chapter82: Physical Constants Of Liquids: The Boiling Point And Density
Section: Chapter Questions
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3. True or False.
a. The relation d In P / dT = AvapH / RT² should not be applied to solid-liquid transitions.
b. The relation d In P / dT AvapH / RT² should be applied to liquid-vapor transitions.
c. The relation d In P / dT - AvapH / RT² should be applied near the critical point.
4. Some vapor pressures of a certain substance are the following:
Temp (°C)
Р (Torr)
1227
1327
1427
1527
1627
19.72
48.48
107.2
217.7
408.2
Generate the equation of the best-fit line from a plot of ln P (Torr) vs. 1/T.
b. Find the average AvapH over this temperature range.
c. Estimate the liquid's normal boiling point.
а.
5. The sublimation pressure of CO2 is 138.85 K and 158.75 K is 1.33x10-3 bar and 2.66x10-2
bar, respectively. Estimate the molar enthalpy of sublimation of CO2.
Transcribed Image Text:3. True or False. a. The relation d In P / dT = AvapH / RT² should not be applied to solid-liquid transitions. b. The relation d In P / dT AvapH / RT² should be applied to liquid-vapor transitions. c. The relation d In P / dT - AvapH / RT² should be applied near the critical point. 4. Some vapor pressures of a certain substance are the following: Temp (°C) Р (Torr) 1227 1327 1427 1527 1627 19.72 48.48 107.2 217.7 408.2 Generate the equation of the best-fit line from a plot of ln P (Torr) vs. 1/T. b. Find the average AvapH over this temperature range. c. Estimate the liquid's normal boiling point. а. 5. The sublimation pressure of CO2 is 138.85 K and 158.75 K is 1.33x10-3 bar and 2.66x10-2 bar, respectively. Estimate the molar enthalpy of sublimation of CO2.
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