Ozone Depletion Potentials (ODP)
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Estimate the ODP (i.e.) Ozone Depletion potential for the following CFC alternatives relative to HCFC-22. and fill in the table with the ODP values. Justify the reasons for your ranking.
Compound kOH × 1012 cm3 molecule-1 s-1 ODP
CHF2Cl (HCFC-22) 1.2 exp (-1650/T) 0.05
CF3CH2F (HFC-134a) 1.7 exp (-1750/T)
CH3CFCl2 (HCFC-141a) 1.3 exp (-1600/T)
CF3Cl (CFC-11) - 1.0
CF3Br (H-1301) -
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Solution Summary
Ozone Depletion Potentials and the relationship between structure and ODP are discussed.
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Estimate the ODP (i.e.) Ozone Depletion potential for the following CFC alternatives relative to HCFC-22. and fill in the table with the ODP values. Justify the reasons for your ranking.
(T is the temperature in Kelvin (Assume 280K). The Koh is the rate constant used to calculate the lifetime)
Compound kOH × 1012 cm3 molecule-1 s-1 ODP
CHF2Cl (HCFC-22) 3.3 x 109 (12 y) 0.05 ...
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