Q16: Consider the following diagram that represents Gibbs energy changes (in kJ/mol) as the adsorption proceeds at 25°C I. This diagram represents: a) Physisorption of hydrogen on a surface b) Dissociation diagram of hydrogen atoms c) Chemisorption of hydrogen on a surface d) Physisorption and then chemisorption of hydrogen on a surface e) None of the above III. Dissociation energy of hydrogen molecule is: a) +200 kJ b) +50 kJ c) 0.0 kJ IV. Energy released by Physisorption is: a) 200 kJ b) 50 kJ 300 c) 0.0 kJ 200 100 -100 II. Activation energy of chemisorption that occurs after Physisorption is: a) +200 kJ b) +50 kJ c) 0.0 kJ d) -150 kJ -200 -300 d) -150 kJ V. The equilibrium constant for the adsorption process is: a) 6x10-54 b) 3x10-37 c) 7×10+43 d) 150 kJ d) 2×10+34 H+H e) -250 kJ H₂ e) -250 kJ e) 250 kJ e) 5×10+15
Q16: Consider the following diagram that represents Gibbs energy changes (in kJ/mol) as the adsorption proceeds at 25°C I. This diagram represents: a) Physisorption of hydrogen on a surface b) Dissociation diagram of hydrogen atoms c) Chemisorption of hydrogen on a surface d) Physisorption and then chemisorption of hydrogen on a surface e) None of the above III. Dissociation energy of hydrogen molecule is: a) +200 kJ b) +50 kJ c) 0.0 kJ IV. Energy released by Physisorption is: a) 200 kJ b) 50 kJ 300 c) 0.0 kJ 200 100 -100 II. Activation energy of chemisorption that occurs after Physisorption is: a) +200 kJ b) +50 kJ c) 0.0 kJ d) -150 kJ -200 -300 d) -150 kJ V. The equilibrium constant for the adsorption process is: a) 6x10-54 b) 3x10-37 c) 7×10+43 d) 150 kJ d) 2×10+34 H+H e) -250 kJ H₂ e) -250 kJ e) 250 kJ e) 5×10+15
Chemistry for Engineering Students
4th Edition
ISBN:9781337398909
Author:Lawrence S. Brown, Tom Holme
Publisher:Lawrence S. Brown, Tom Holme
Chapter10: Entropy And The Second Law Of Thermodynamics
Section: Chapter Questions
Problem 10.16PAE: Murphy's law is a whimsical rule that says that anything that can go wrong will go wrong. But in an...
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