An oxygen (0,) molecule is adsorbed on a patch of surface (see sketch at right). This patch is known to contain 144 adsorption sites. The (O,) molecule has enough energy to move from site to site, so it could be on any one of them. da Suppose additional surface becomes exposed, so that 441 adsorption sites are now available for the molecule. Calculate the change in entropy. One way an 0, molecule could Round your answer to 3 significant digits, and be sure it has the correct unit symbol. be adsorbed on a patch of surface with 16 sites, olo

Physical Chemistry
2nd Edition
ISBN:9781133958437
Author:Ball, David W. (david Warren), BAER, Tomas
Publisher:Ball, David W. (david Warren), BAER, Tomas
Chapter20: Kinetics
Section: Chapter Questions
Problem 20.92E: Estimate G for an elementary process whose rate constant k is 8.5101M1s1 at 450K.
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An oxygen (O,) molecule is adsorbed on a patch of surface (see sketch at right). This patch is known to contain 144 adsorption
sites. The (O,) molecule has enough energy to move from site to site, so it could be on any one of them.
alo
Suppose additional surface becomes exposed, so that 441 adsorption sites are now available for the molecule. Calculate the
change in entropy.
Ar
One way an O, molecule could
be adsorbed on a patch of
surface with 16 sites.
Round your answer to 3 significant digits, and be sure it has the correct unit symbol.
x10
Transcribed Image Text:An oxygen (O,) molecule is adsorbed on a patch of surface (see sketch at right). This patch is known to contain 144 adsorption sites. The (O,) molecule has enough energy to move from site to site, so it could be on any one of them. alo Suppose additional surface becomes exposed, so that 441 adsorption sites are now available for the molecule. Calculate the change in entropy. Ar One way an O, molecule could be adsorbed on a patch of surface with 16 sites. Round your answer to 3 significant digits, and be sure it has the correct unit symbol. x10
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