Answered: Given the number of air molecules at z…

Structural Analysis

6th Edition

ISBN:9781337630931

Author:KASSIMALI, Aslam.

Publisher:KASSIMALI, Aslam.

Chapter2: Loads On Structures

Section: Chapter Questions

Problem 1P

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Given the number of air molecules at z = 20 km as 1.7*10¹⁸molecules/cm³ and z=25 km as 8.7*10¹⁷ molecules/cm³ at a temperature of 288K. calculate the mixing ratio of ozone in ppm at 20 km and 25 km using the values of ozone concentration in molecules/cm3 (left side of Figure 2.6). State any assumptions you are making.

Transcribed Image Text:Ozone Concentration Ozone Mixing Ratio 60 50 40 30 ㅇ 1 3 4 5 0 4 8 10 O3, 1012 cm-3 Og, ppm IGURE 2.6 Stratospheric ozone profile over Northern Hemisphere midlatitude (35° N) n September 1996 as measured by satellite with the Jet Propulsion Laboratory FTIR Fourier transform infrared) spectrometer. Note that molecular concentration and nixing ratio peak at different altitudes. Altitude, km 20

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