A certain compound has a half-life of 8.02 days. If 20 g of this compound undergoes first-order decay: a. How long would it take to reduce the amount to 20 mg? b. How much additional time would it take to reduce the amount to 10 mg from (a)? c. How long would it take to reduce the amount by 10 g? d. How much additional time would it take to reduce the amount by 5 g from (c)?
A certain compound has a half-life of 8.02 days. If 20 g of this compound undergoes first-order decay: a. How long would it take to reduce the amount to 20 mg? b. How much additional time would it take to reduce the amount to 10 mg from (a)? c. How long would it take to reduce the amount by 10 g? d. How much additional time would it take to reduce the amount by 5 g from (c)?
Chemistry by OpenStax (2015-05-04)
1st Edition
ISBN:9781938168390
Author:Klaus Theopold, Richard H Langley, Paul Flowers, William R. Robinson, Mark Blaser
Publisher:Klaus Theopold, Richard H Langley, Paul Flowers, William R. Robinson, Mark Blaser
Chapter12: Kinetics
Section: Chapter Questions
Problem 19E: The rate constant for the radioactive decay of 14C is 1.21104 year-1. The products of the decay are...
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A certain compound has a half-life of 8.02 days. If 20 g of this
compound undergoes first-order decay:
a. How long would it take to reduce the amount to 20 mg?
b. How much additional time would it take to reduce the amount to 10 mg from (a)?
c. How long would it take to reduce the amount by 10 g? d. How much additional time would it take to reduce the amount by 5 g from (c)?
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