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Which one of the following characteristics is associated with adsorption?

  1. A
    and all are negative
  2. B
    and are negative but is positive
  3. C
    and are negative but is positive
  4. D
    is negative but and are positive

Solution & Step-by-step Explanation

1. Adsorption is a spontaneous process, so (negative).2. During adsorption, the randomness of gas molecules decreases as they settle on the surface, so (negative).3. For a process to be spontaneous when is negative, must be negative (exothermic), as .

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Which one of the following characteristics is associated with adsorption?
A
and all are negative
B
and are negative but is positive
C
and are negative but is positive
D
is negative but and are positive

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Surface ChemistryAdsorption

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