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

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Chapter10: Entropy And The Second Law Of Thermodynamics
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physical chemistry, please solve question 16

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
II.
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
Activation energy of chemisorption that occurs after Physisorption is:
a) +200 kJ
b) +50 kJ
c) 0.0 kJ
d) -150 kJ
-100
-200
-300
d) -150 kJ
V. The equilibrium constant for the adsorption process is:
a) 6×10-54
b) 3×10-37
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
Transcribed Image Text: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 II. 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 Activation energy of chemisorption that occurs after Physisorption is: a) +200 kJ b) +50 kJ c) 0.0 kJ d) -150 kJ -100 -200 -300 d) -150 kJ V. The equilibrium constant for the adsorption process is: a) 6×10-54 b) 3×10-37 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
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