Show Work Methyl chloroform (CH3CCI3) and OH react with a rate constant (kOH) of 9.5×10-15 cm3 molecule-1 s-1 at 298K. 1) If you assume [OH] = 1.00×106 molecules cm3, what is the lifetime of the compound in years? (Find in seconds and then convert to minutes, then hours, then days, then years; 1 year = 365.25 days) 2) Assume, the average methyl chloroform mixing ratio is 250 pptv and no more is emitted into the atmosphere. If this phase-out happened today, how many pptv will be left in 5 years? - You can use 1 pptv = 2.46x107 molecules/cm3 (but you don't need to) %3D 3) How long will in take (in years) to get to only 25 pptv of the compound? - You will use the same equation you used for #2 but now you know the initial concentration, the final concentration, and the lifetime. Find the t.
Show Work Methyl chloroform (CH3CCI3) and OH react with a rate constant (kOH) of 9.5×10-15 cm3 molecule-1 s-1 at 298K. 1) If you assume [OH] = 1.00×106 molecules cm3, what is the lifetime of the compound in years? (Find in seconds and then convert to minutes, then hours, then days, then years; 1 year = 365.25 days) 2) Assume, the average methyl chloroform mixing ratio is 250 pptv and no more is emitted into the atmosphere. If this phase-out happened today, how many pptv will be left in 5 years? - You can use 1 pptv = 2.46x107 molecules/cm3 (but you don't need to) %3D 3) How long will in take (in years) to get to only 25 pptv of the compound? - You will use the same equation you used for #2 but now you know the initial concentration, the final concentration, and the lifetime. Find the t.
Chemistry: The Molecular Science
5th Edition
ISBN:9781285199047
Author:John W. Moore, Conrad L. Stanitski
Publisher:John W. Moore, Conrad L. Stanitski
Chapter1: The Nature Of Chemistry
Section: Chapter Questions
Problem 110QRT
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