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: Matter and Change
1st Edition
ISBN:9780078746376
Author:Dinah Zike, Laurel Dingrando, Nicholas Hainen, Cheryl Wistrom
Publisher:Dinah Zike, Laurel Dingrando, Nicholas Hainen, Cheryl Wistrom
Chapter24: Nuclear Chemistry
Section: Chapter Questions
Problem 56A
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Question
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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