Describe knudsen diffusivity

Assignment Help Chemistry
Reference no: EM13180189

'If the catalyst pore size is small in comparison with the mean free path, collisions with the pore wall controls the process'. The diffusivity under this condition is called 'Knudsen diffusivity', which is affected by the A. pressure B. temperature C. both (a) & (b) D. neither (a) nor (b)

Reference no: EM13180189

Questions Cloud

State claude process of gas liquefaction employs : Paper pulp produced by kraft/sulphate process is A. bleached easily B. dull white in color C. strong fibrous D. dark colored 2. Claude process of gas liquefaction employs A
Relationship between economies of scale and natural monopoly : What is the relationship between economies of scale and a natural monopoly? What is simultaneous consumption and how does it affect economies of scale? What are network effects and how do they contribute to economies of scale?
Construct a comparative boxplot : Construct a comparative boxplot. Does it suggest that there is a difference between true average extensibility for high-quality fabric specimens and that for poor-quality specimens?
State a reversible liquid phase endothermic reaction : A reversible liquid phase endothermic reaction is to be carried out in a plug flow reactor. For minimum reactor volume, it should be operated such that the temperature along the length A. decreases. B. increases
Describe knudsen diffusivity : If the catalyst pore size is small in comparison with the mean free path, collisions with the pore wall controls the process'. The diffusivity under this condition is called 'Knudsen diffusivity'
Calculate mac''s optimal membership and level of profit : The Manchester Athlete's Club (MAC) is a private, not-for-profit athletic club located in St. Petersburg, Florida. MAC currently has 3,500 members but is planning on a membership drive to increase this number significantly. An important issue faci..
Construct brandywine 2007 income statement : Construct Brandywine 2007 income statement and what were brandywire net income, total profit margin,and cash flow?
State a certain volume of air is passed : For estimating ozon in the air, a certain volume of air is passed through an acidified or neutral KI solution when oxygen is evovled and iodide is oxidized to give iodine
Determine the average-cost minimizing output : Hook, Inc., is an international manufacturer of bulk antibiotics for the animal feed market. Dr. Mike Jones, head of marketing and research, seeks your advice on an appropriate pricing strategy for Pharmed Caplets, an antibiotic for sale to the ve..

Reviews

Write a Review

Chemistry Questions & Answers

  What is the density in g/cm3

The density of liquid mercury is 13.6g/mL at 25 celsius. What is the density in g/cm3?

  What is the final concentration of naoh

what is the final concentration of NaOH when 50.0 mL of .200 M NaOH is added to 50.0 mL of 0.500 M NaOH?

  What are biodegradable polymers

How you will protect an underground pipe line from corrosion and what are biodegradable polymers or what are conducting polymers

  Calculate the ph of solution acidic acid

Determine pH of the solution....ICE table..Henderson HasselBach equations, Using a ICE table (initial change equilibrium) a)Calculate the pH of solution that is 0.175M in acidic acid(HC2H3O2) ans 0.110Min potassium Acetate(KC2H302)

  Explain presence of aldehyde group

Presence of Aldehyde Group, An excellent way to identify the presence of an aldehyde group is by 1H NMR. The chemical shift of the aldehydic proton occurs in the 9-10-ppm region

  Calculate a value for the [tenz2-]

Tenzic acid is a H2Tenz is a diprotic acid with ionization constants Ka1 = 4.1 x 10-4, Ka2 = 1.5 x 10-9. Calculate a value for the [Tenz2-] in a 0.500 molar solution of H2Tenz.

  Describe what is meant by chousekeeping gene

Explain what is meant by Chousekeeping gene and why the gene for enolase is not considered a housekeeping gene despite it being expressed in all tissues.

  How much heat energy is required

How much heat energy, is needed to convert 64.0 grams of ice at -18.0 degrees celcius to H2O at the temperature of 25.0 degrees celcius? Express your answers in kilojoules

  Define concentration - dilution problem

Concentration : Dilution Problem, A student placed 18.5g of glucose (C6H12O6) in a volumetric flask, added enough water to dissolve the glucose by swirling, then carefully added additional water until the 100.-mL mark on the neck of the flask was ..

  What volume of 0.128 m li2s solution is required

What volume of 0.128 M Li2S solution is required to completely react with 170. mL of 0.128 M Co(NO3)2?

  Compute the freezing point and boiling point

Volume after mixing is 131mL. Kf=1.86 C/m -- Kb=0.512 C/m Calculate the freezing point and boiling point?

  State a zero order chemical reaction with a rate constant

A zero order chemical reaction with a rate constant of 0.0178 M/s has an initial concentration of 1.82M. Determine the time required for 80

Free Assignment Quote

Assured A++ Grade

Get guaranteed satisfaction & time on delivery in every assignment order you paid with us! We ensure premium quality solution document along with free turntin report!

All rights reserved! Copyrights ©2019-2020 ExpertsMind IT Educational Pvt Ltd