The following data were obtained for the adsorption of a certain material (ORA) on activated carbon at 25 °C. Activated carbon mass (g) 1.0119 [ORA) initial (M) [ORA] at equilibrium (M) 0.0044 Sample number 1 0.0096 0.0207 0.0446 1.0186 0.0289 3 1.0360 0.0578 4 1.0129 0.0867 0.0721 1.0393 0.1156 0.1002 0.1270 0.1742 5 6. 1.0312 0.1445 7 1.0198 0.1926 1.0270 0.2407 0.2227 1.0252 0.2889 0.1108 1. Try fitting these data using Langmuir Isotherm and obtain K and monolayer of ORA molecules per one gram 2. Try fitting these data using Freundlich Isotherm and obtain its constants 3. Which isotherm describe best the adsorption of ORA on activated carbon and why? 4. If a monolayer of N2 molecules is 0.03075 mole per one gram of activated carbon, and the surface area on one N2 molecules is 0.162 nm, determine: a. surface area per one gram of activated carbon b. surface area of one ORA molecule
The following data were obtained for the adsorption of a certain material (ORA) on activated carbon at 25 °C. Activated carbon mass (g) 1.0119 [ORA) initial (M) [ORA] at equilibrium (M) 0.0044 Sample number 1 0.0096 0.0207 0.0446 1.0186 0.0289 3 1.0360 0.0578 4 1.0129 0.0867 0.0721 1.0393 0.1156 0.1002 0.1270 0.1742 5 6. 1.0312 0.1445 7 1.0198 0.1926 1.0270 0.2407 0.2227 1.0252 0.2889 0.1108 1. Try fitting these data using Langmuir Isotherm and obtain K and monolayer of ORA molecules per one gram 2. Try fitting these data using Freundlich Isotherm and obtain its constants 3. Which isotherm describe best the adsorption of ORA on activated carbon and why? 4. If a monolayer of N2 molecules is 0.03075 mole per one gram of activated carbon, and the surface area on one N2 molecules is 0.162 nm, determine: a. surface area per one gram of activated carbon b. surface area of one ORA molecule
Chemistry & Chemical Reactivity
9th Edition
ISBN:9781133949640
Author:John C. Kotz, Paul M. Treichel, John Townsend, David Treichel
Publisher:John C. Kotz, Paul M. Treichel, John Townsend, David Treichel
Chapter14: Chemical Kinetics: The Rates Of Chemical Reactions
Section: Chapter Questions
Problem 84IL
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![The following data were obtained for the adsorption of a certain material (ORA) on activated
carbon at 25 °C.
Activated carbon mass
(g)
1.0119
[ORA) initial (M)
[ORA] at equilibrium
(М)
Sample
number
1
0.0096
0.0044
1.0186
0.0289
0.0207
3
1.0360
0.0578
0.0446
4
1.0129
0.0867
0.0721
5
1.0393
0.1156
0.1002
6.
1.0312
0.1445
0.1270
7
1.0198
0.1926
0.1742
0.2227
1.0270
0.2407
1.0252
0.2889
0.1108
1. Try fitting these data using Langmuir Isotherm and obtain K and monolayer of ORA molecules
per one gram
2. Try fitting these data using Freundlich Isotherm and obtain its constants
3. Which isotherm describe best the adsorption of ORA on activated carbon and why?
4. If a monolayer of N2 molecules is 0.03075 mole per one gram of activated carbon, and the
surface area on one N2 molecules is 0.162 nm, determine:
a. surface area per one gram of activated carbon
b. surface area of one ORA molecule](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F76d2623b-7d25-45e8-855f-74eae7fbb12f%2F7ac5a892-5291-45db-9e09-2ee8afd2d683%2Fxidu2ys_processed.jpeg&w=3840&q=75)
Transcribed Image Text:The following data were obtained for the adsorption of a certain material (ORA) on activated
carbon at 25 °C.
Activated carbon mass
(g)
1.0119
[ORA) initial (M)
[ORA] at equilibrium
(М)
Sample
number
1
0.0096
0.0044
1.0186
0.0289
0.0207
3
1.0360
0.0578
0.0446
4
1.0129
0.0867
0.0721
5
1.0393
0.1156
0.1002
6.
1.0312
0.1445
0.1270
7
1.0198
0.1926
0.1742
0.2227
1.0270
0.2407
1.0252
0.2889
0.1108
1. Try fitting these data using Langmuir Isotherm and obtain K and monolayer of ORA molecules
per one gram
2. Try fitting these data using Freundlich Isotherm and obtain its constants
3. Which isotherm describe best the adsorption of ORA on activated carbon and why?
4. If a monolayer of N2 molecules is 0.03075 mole per one gram of activated carbon, and the
surface area on one N2 molecules is 0.162 nm, determine:
a. surface area per one gram of activated carbon
b. surface area of one ORA molecule
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