posted by Lisa on .
I really need help with this question for my chem H.W.
1) On a summer day in Breckenridge, Colorado, the atmospheric pressure is 525 mm Hg. What is this air pressure in atmospheres?
(round to the hundredths place) atm
1 atm = 760 mm Hg
Therefore 525 mm Hg = 525/760 = 0.69 atm