In a vacuum chamber designed for surface-science experiments, the pressure of residual gas is kept as low as possible so that surfaces can be kept clean. The coverage of a surface by a single monolayer requires about 10 19 atoms per m². What pressure would be needed to deposit less than one monolayer per hour from residual gas? You may assume that if a molecule hits the surface, it sticks.
In a vacuum chamber designed for surface-science experiments, the pressure of residual gas is kept as low as possible so that surfaces can be kept clean. The coverage of a surface by a single monolayer requires about 10 19 atoms per m². What pressure would be needed to deposit less than one monolayer per hour from residual gas? You may assume that if a molecule hits the surface, it sticks.
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Transcribed Image Text:In a vacuum chamber designed for surface-science experiments, the pressure of
residual gas is kept as low as possible so that surfaces can be kept clean. The
coverage of a surface by a single monolayer requires about 10 19 atoms per m².
What pressure would be needed to deposit less than one monolayer per hour from
residual gas? You may assume that if a molecule hits the surface, it sticks.
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