Question No. 2 The adsorption of ammonia on barium fluoride has been measured at 0°C and 54.9°C. The vapor pressures of ammonia are 4.24 and 22.75 atm. at 0°C and 54.9°C, respectively. T = 0°C T 54.9°C %3D p (cm Hg) V (cm /g) @ STP p (cm Hg) V (cm³/g) @ STP 10.5 11.1 10.4 6.9 28.2 13.5 20.3 7.8 49.2 14.9 30.9 8.7 62 15.5 14.1 7.2 79.8 16.5 26.4 8.2 9.6 11 45.1 9.4 20.5 12.7 66.6 10.3 30.4 13.7 82.2 10.8 45.1 15 3.1 5.4 59.4 16 7.5 6.4 75.5 17.3 40 56.3 9.7 a. Check the applicability of both the un-dissociative Langmuir and BET isotherms. Summarize your results in a table and comment.
Question No. 2 The adsorption of ammonia on barium fluoride has been measured at 0°C and 54.9°C. The vapor pressures of ammonia are 4.24 and 22.75 atm. at 0°C and 54.9°C, respectively. T = 0°C T 54.9°C %3D p (cm Hg) V (cm /g) @ STP p (cm Hg) V (cm³/g) @ STP 10.5 11.1 10.4 6.9 28.2 13.5 20.3 7.8 49.2 14.9 30.9 8.7 62 15.5 14.1 7.2 79.8 16.5 26.4 8.2 9.6 11 45.1 9.4 20.5 12.7 66.6 10.3 30.4 13.7 82.2 10.8 45.1 15 3.1 5.4 59.4 16 7.5 6.4 75.5 17.3 40 56.3 9.7 a. Check the applicability of both the un-dissociative Langmuir and BET isotherms. Summarize your results in a table and comment.
Introduction to Chemical Engineering Thermodynamics
8th Edition
ISBN:9781259696527
Author:J.M. Smith Termodinamica en ingenieria quimica, Hendrick C Van Ness, Michael Abbott, Mark Swihart
Publisher:J.M. Smith Termodinamica en ingenieria quimica, Hendrick C Van Ness, Michael Abbott, Mark Swihart
Chapter1: Introduction
Section: Chapter Questions
Problem 1.1P
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Transcribed Image Text:Question No. 2
The adsorption of ammonia on barium fluoride has been measured at 0°C and 54.9°C. The vapor
pressures of ammonia are 4.24 and 22.75 atm. at 0°C and 54.9°C, respectively.
0°C
T
54.9°C
!!
%3D
p (cm Hg)
V (cm/g) @ STP
p (cm Hg)
V (cm3/g) @ STP
10.5
11.1
10.4
6.9
28.2
13.5
20.3
7.8
49.2
14.9
30.9
8.7
62
15.5
14.1
7.2
79.8
16.5
26.4
8.2
9.6
11
45.1
9.4
20.5
12.7
66.6
10.3
30.4
13.7
82.2
10.8
45.1
15
3.1
5.4
59.4
16
7.5
6.4
75.5
17.3
40
56.3
9.7
a. Check the applicability of both the un-dissociative Langmuir and BET isotherms.
Summarize your results in a table and comment.
Transcribed Image Text:b. What specific surface areas (m2/g) are predicted in each case? The area covered per
molecule of adsorbed ammonia is 0.07065 nm?.
Note: use the best fit of Langmuir and BET to calculate the specific surface area.
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