Drug X has an expiration date that is 1.5 years after the date it was manufactured. Drug X decomposes following the reaction below. Assume the decomposition follows first order kinetics. X ----> Y + 2 Z 1) A bottle contains pills of X that were manufactured 5.00 years ago. The drug is analyzed and it is found that 95.0% of X has not decomposed. What is the half life for the dceomposition of X in years? 2) One of the pills contains 10.0 mg of X. The molecular weight of X is 245 g/mol and the molecular weight of Z is 100g/mol. How many years will it take for enough X to decompose so as to produce 2.8 mg of Z?
Drug X has an expiration date that is 1.5 years after the date it was manufactured. Drug X decomposes following the reaction below. Assume the decomposition follows first order kinetics. X ----> Y + 2 Z 1) A bottle contains pills of X that were manufactured 5.00 years ago. The drug is analyzed and it is found that 95.0% of X has not decomposed. What is the half life for the dceomposition of X in years? 2) One of the pills contains 10.0 mg of X. The molecular weight of X is 245 g/mol and the molecular weight of Z is 100g/mol. How many years will it take for enough X to decompose so as to produce 2.8 mg of Z?
Chemistry
10th Edition
ISBN:9781305957404
Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Publisher:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Chapter1: Chemical Foundations
Section: Chapter Questions
Problem 1RQ: Define and explain the differences between the following terms. a. law and theory b. theory and...
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Drug X has an expiration date that is 1.5 years after the date it was manufactured. Drug X decomposes following the reaction below. Assume the decomposition follows first order kinetics.
X ----> Y + 2 Z
1) A bottle contains pills of X that were manufactured 5.00 years ago. The drug is analyzed and it is found that 95.0% of X has not decomposed. What is the half life for the dceomposition of X in years?
2) One of the pills contains 10.0 mg of X. The molecular weight of X is 245 g/mol and the molecular weight of Z is 100g/mol. How many years will it take for enough X to decompose so as to produce 2.8 mg of Z?
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