The vapor pressure, P, of a certain liquid was measured at two temperatures, T. The data is shown in the table. T (K) P (kPa) 275 3.05 525 6.96 Keep the pressure units in kilopascals. If you were going to graphically determine the enthalpy of vaporizaton, AHvap, for this liquid, what points would you plot? To avoid rounding errors, use three significant figures in the x-values and four significant figures in the y-values. point 1: a = point 1: y = point 2: y = point 2: z = Determine the rise, run, and slope of the line formed by these points. rise = run slope = What is the enthalpy of vaporization of this liquid? AHvap J/mol
The vapor pressure, P, of a certain liquid was measured at two temperatures, T. The data is shown in the table. T (K) P (kPa) 275 3.05 525 6.96 Keep the pressure units in kilopascals. If you were going to graphically determine the enthalpy of vaporizaton, AHvap, for this liquid, what points would you plot? To avoid rounding errors, use three significant figures in the x-values and four significant figures in the y-values. point 1: a = point 1: y = point 2: y = point 2: z = Determine the rise, run, and slope of the line formed by these points. rise = run slope = What is the enthalpy of vaporization of this liquid? AHvap J/mol
Chemistry: An Atoms First Approach
2nd Edition
ISBN:9781305079243
Author:Steven S. Zumdahl, Susan A. Zumdahl
Publisher:Steven S. Zumdahl, Susan A. Zumdahl
Chapter7: Chemical Energy
Section: Chapter Questions
Problem 62E: In a coffee-cup calorimeter, 1.60 g NH4NO3 is mixed with 75.0 g water at an initial temperature of...
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Transcribed Image Text:The vapor pressure, P, of a certain liquid was measured at two temperatures, T. The data is shown in the table.
T (K)
P (kPa)
275
3.05
525
6.96
Keep the pressure units in kilopascals.
If you were going to graphically determine the enthalpy of vaporizaton, AHvap, for this liquid, what points would you plot?
To avoid rounding errors, use three significant figures in the x-values and four significant figures in the y-values.
point 1: a =
point 1: y =
point 2: y =
point 2: z =
Determine the rise, run, and slope of the line formed by these points.
rise =
run
slope =
What is the enthalpy of vaporization of this liquid?
AHvap
J/mol
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