. Biosurface Energetics Describe the difference between adsorption and absorptio

Question

. Biosurface Energetics Describe the difference between adsorption and absorption. Give three examples of each. . You are designing an air pressure vessel with a corrosion resistant interior coating. Will the surface energy of the interior wall increase or decrease when pressurized? Use drawings to guide your answer. Proteins at Interfaces At 45°C, at equilibrium, a protein denatures with a change in enthalpy of 7 kcal/mol. Computer the entropy change. Model the below system of adsorbing proteins. Draw what you expect the surface coverage of each protein vs time would look like if k 10, kd- 0.01, kr1 = 1.0, kd,-0.01, and kr,-1.0 krl k72 8, 93

Explanation / Answer

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Adsorption Absorption Adsorption is the process in which atoms, ions or molecules from a substance (it could be gas, liquid or dissolved solid) adhere to a surface of the adsorbent. Absorption is the process in which a fluid is dissolved by a liquid or a solid (absorbent) It is a surface phenomenon It is a bulk phenomenon It is favoured by low temperature It is not affected by temperature Example: Misty water, Paint, water filters Example: Purification of natural gas, In the large intestine,nutrients are absorbed.

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