Practice Adsorption Isotherms (5.1.4) - Chapter 5: Surface Chemistry

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6 sample questions

Question 1.
Define adsorption.
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Think about where substances collect.
Question 2.
What does the term 'adsorbate' refer to?
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It's the material that sticks to the surface.
3Question 3.
What does the Freundlich isotherm represent?
- The relationship of adsorption versus time
- The relationship between gas adsorbed and pressure
- The chemical reaction rate
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Focus on what the isotherm details.
4Question 4.
True or False: Adsorption is always irreversible.
- True
- False
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Consider the types of adsorption.
Question 5.
If 5 grams of a gas is adsorbed on 50 grams of an adsorbent at a pressure of 2 atm using the Freundlich isotherm, calculate the value of $k$ if $n = 1.5$ .
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Rearrange the Freundlich isotherm equation to isolate k.
Question 6.
Discussion: Why might an industry choose a material with a high k value in their adsorption process?
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Consider the impacts on productivity and effectiveness.

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