CHEM 302 Chapter Notes -Hydrogen Peroxide, 3Ho, Hypobromous Acid

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1. 3 (1) 4. 2 ppmv; (2) 42 ppbv; (3) 7. 5x1022 molecules m-2; (4) 2. 7 mm. 2. 2 (2. 1) 1. 22 kg m-3; (2. 2) 4. 5x1018 kg; (3) 1. 8x109 kg. ) = 0. 95; (3) t = 3t . 3. 2 (1) 5. 8 days; (2) f = 1/(1 + t out/t chem). 3. 3 (4) 16% of hcfc-123 and 44% of hcfc-124. 3. 6 box model: [x] = el/uh; column model: [x] = el/2uh. 3. 7 (2) 7. 0x109 kg in 2050, 4. 2x109 kg in 2100; (3) 10x109 kg in 2050, 6. 1x109 kg in 2100. 4. 5 (3) 10:30 a. m. 4. 6 (1) a-b unstable, b-c stable, c-d very stable (isothermal); (2) 4. 5 km. 4. 9 (1) 6. 9 h (sea level), 1. 7 h (10 km); (2) 93 km. 5. 1 (3) 0. 9 atoms cm-2 s-1; (4) 5. 0 km. 6. 1 (4) 1. 9x1018 kg o. (5) summer, 3 ppmv. 6. 3 (1) escape to outer space; (4) 1. 1 million years. 6. 5 (2) 320 years; (3) ~20% land biota, ~0. 1% ocean biota.