Vacuum increases the mean-free-path of gas molecules.mean-free-path Vacuum prevents chemical reaction. Vacuum removes contaminants from surfaces.contaminants. - ppt download
SOLVED: pts Question 1 Express an osmotic pressure of 7 atm in units of ' dyne/cm?. Using scientific nolation, the osmotic pressure is A x 108 dyne/cm?, Sclect | Solect pts