17. It is known that the adsorption of carbon monoxide is molecular adsorption on the surface of nickel (Ni) and dissociation adsorption with oxygen and carbon atoms, not molecules, on the surface of iron (Fe). What is correct in a way that indicates an isotherm for dissociative adsorption? (However, Ct, Co.s, Pco, and Ka are each the total surface concentration of adsorption activity points, adsorption surface concentration of oxygen atoms, partial pressure of carbon monoxide, and adsorption equilibrium constant.) C C O - Ni - Ni -Ni - - Fe-Fe-Fe - -

17. It is known that the adsorption of carbon monoxide is molecular adsorption on the surface of nickel (Ni) and dissociation adsorption with oxygen and carbon atoms, not molecules, on the surface of iron (Fe). What is correct in a way that indicates an isotherm for dissociative adsorption? (However, Ct, Co.s, Pco, and Ka are each the total surface concentration of adsorption activity points, adsorption surface concentration of oxygen atoms, partial pressure of carbon monoxide, and adsorption equilibrium constant.) C C O - Ni - Ni -Ni - - Fe-Fe-Fe - -

Chemistry for Engineering Students

4th Edition

ISBN:9781337398909

Author:Lawrence S. Brown, Tom Holme

Publisher:Lawrence S. Brown, Tom Holme

Chapter11: Chemical Kinetics

Section: Chapter Questions

Problem 11.91PAE

See similar textbooks

Similar questions

Are the following processes examples of homogeneous or heterogeneous catalysis? a Hydrolysis of immiscible ethyl acetate (l) in an aqueous basic solution. b Conversion of NOX gases to N2 and O2 by platinum metal. c Decomposition of atmospheric ozone by NO gas. d Oxidation of ethyl alcohol, C2H5OH, by the enzyme alcohol dehydrogenase, ADH, to acetaldehyde in the body. e Solid-state conversion of C graphite to C diamond by transition metal additives at high pressure.
а. Identify THREE (3) isotherm shapes that are typically encountered in an adsorption process for a single adsorbate and illustrate the behavior through equilibrium relations.
What is an adsorption isotherm? Describe Freundlich adsorption isotherm.
7.5 micromoles ( u mol) of carbon dioxide are adsorbed onto a 1.0 gram sample of activated carbon. How many milligrams of CO2 were adsorbed?
The adsorption of a certain substance, X, follows a Langmuir isotherm. Saturation coverage of the materials is 8 × 10-¹0 mol/cm² and 3 = 5 × 107 cm³/mol (assuming a₁ = C₁). At what concentration of X will the electrode surface be half covered (i.e., = 0.5)? Sketch the adsorption isotherm of the substance.
5. Given an example from literature about the dissociative adsorption of a diatomic molecule of your choice, and explain the reason. 1
In an experiment on the adsorption of oxygen on tungsten it was found that the same volume of oxygen was desorbed in 27 min at 1856 K and 2.0 min at 1978 K. What is the activation energy of desorption? How long would it take for the same amount to desorb at (i) 298 K, (ii) 3000 K?
1) The density of a metal, which has the BCC structure and one atom per lattice point, is 0.855 g/cm'. The atomic weight is 39.09 g/mol. Calculate the following (a) The fraction of the lattice points that contain vacancies and (b) The total number of vacancies in a cubic centimeter of the metal. (c) What is the activation energy required to create vacaneies in cal/mole at 720° e Engli
The following data were obtained for the adsorption of a certain material (ORA) on activated carbon at 25 °C. Sample Activated carbon mass [ORA) initial (M) (g) 1.0119 [ORA] at equilibrium (M) 0.0044 number 1 0.0096 1.0186 0.0289 0.0207 3 1.0360 0.0578 0.0446 1.0129 1.0393 4 0.0867 0.0721 5 0.1156 0.1002 0.1445 0.1926 6 1.0312 0.1270 1.0198 0.1742 8 1.0270 0.2407 0.2227 9. 1.0252 0.2889 0.1108 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 nm², 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 (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
6. A dilute silver nitrate solution is added to a slight excess iodide solution. A solution of AgI is face adsorbs.chemohollic.com formed whose surface adsorbs. (a) I (b) NO3 + (c) Nat (d) Ag*
The following data were obtained for the adsorption of a certain material (ORA) on activated carbon at 25 °C. Sample Activated carbon mass (g) 1.0119 [ORA) initial (M) [ORA] at equilibrium (М) 0.0044 number 0.0096 1.0186 1.0360 0.0289 0.0207 3 0.0578 0.0446 0.0721 0.1002 4 1.0129 0.0867 1.0393 0.1156 1.0312 1.0198 0.1445 0.1926 0.2407 0.2889 0.1270 7 1.0270 1.0252 0.1742 0.2227 0.1108 8 1. Try fitting these data using Langmuir Isotherm and obtain K and monolayer of ORA molecules per one gram 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

SEE MORE QUESTIONS

Recommended textbooks for you

Chemistry for Engineering Students

Chemistry

ISBN:

9781337398909

Author:

Lawrence S. Brown, Tom Holme

Publisher:

Cengage Learning

Chemistry: The Molecular Science

Chemistry

ISBN:

9781285199047

Author:

John W. Moore, Conrad L. Stanitski

Publisher:

Cengage Learning

Physical Chemistry

Chemistry

ISBN:

9781133958437

Author:

Ball, David W. (david Warren), BAER, Tomas

Publisher:

Wadsworth Cengage Learning,

General Chemistry - Standalone book (MindTap Cour…

Chemistry

ISBN:

9781305580343

Author:

Steven D. Gammon, Ebbing, Darrell Ebbing, Steven D., Darrell; Gammon, Darrell Ebbing; Steven D. Gammon, Darrell D.; Gammon, Ebbing; Steven D. Gammon; Darrell

Publisher:

Cengage Learning

Chemistry for Engineering Students

Chemistry

ISBN:

9781337398909

Author:

Lawrence S. Brown, Tom Holme

Publisher:

Cengage Learning

Chemistry: The Molecular Science

Chemistry

ISBN:

9781285199047

Author:

John W. Moore, Conrad L. Stanitski

Publisher:

Cengage Learning

Physical Chemistry

Chemistry

ISBN:

9781133958437

Author:

Ball, David W. (david Warren), BAER, Tomas

Publisher:

Wadsworth Cengage Learning,

General Chemistry - Standalone book (MindTap Cour…

Chemistry

ISBN:

9781305580343

Author:

Steven D. Gammon, Ebbing, Darrell Ebbing, Steven D., Darrell; Gammon, Darrell Ebbing; Steven D. Gammon, Darrell D.; Gammon, Ebbing; Steven D. Gammon; Darrell

Publisher:

Cengage Learning

SEE MORE TEXTBOOKS