Calculate the percent of the total resistance for external

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1. Calculate the percent of the total resistance for external diffusion, internal diffusion and surface reaction.

2. Qualitatively how each of the resistances (e.g external, internal and reaction) change if

a. The temperature were increased significantly ?

b. If the gas velocity were tripled

c. If the particle size were decreased by a factor of 2

d. How would the reactor length change in each case

3. What length would be required to achieve 99.99% conversion of NO

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