Using the equation below, calculate the flux of molecules to the surface at a base pressure of 5 x 1011 torr, assuming that the sticking coefficient is unity. Assume the molecules involved are hydrogen gas molecules and that they do not dissociate upon interaction with the surface. Is this base pressure low enough to keep the surface clean? T=300 K.

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Surface science
Using the equation below, calculate the flux of molecules to the surface at a base pressure
of 5 x 101 torr, assuming that the sticking coefficient is unity. Assume the molecules involved
are hydrogen gas molecules and that they do not dissociate upon interaction with the surface.
Is this base pressure low enough to keep the surface clean? T=300 K.
Transcribed Image Text:Using the equation below, calculate the flux of molecules to the surface at a base pressure of 5 x 101 torr, assuming that the sticking coefficient is unity. Assume the molecules involved are hydrogen gas molecules and that they do not dissociate upon interaction with the surface. Is this base pressure low enough to keep the surface clean? T=300 K.
P(torr)
F(atoms/cm sec)
3.51 x 1022
VM(g/mole)T
Transcribed Image Text:P(torr) F(atoms/cm sec) 3.51 x 1022 VM(g/mole)T
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