Two gases X and Y are found in the atmosphere in only trace amounts because they decompose quickly. When exposed to ultraviolet light the half-life of X is 1.50 h, while that of Y is 135. min. Suppose an atmospheric scientist studying these decompositions fills a transparent 10.0 L flask with X and Y and exposes the flask to UV light. Initially, the partial pressure of X is 75.0% greater than the partial pressure of Y.
Two gases X and Y are found in the atmosphere in only trace amounts because they decompose quickly. When exposed to ultraviolet light the half-life of X is 1.50 h, while that of Y is 135. min. Suppose an atmospheric scientist studying these decompositions fills a transparent 10.0 L flask with X and Y and exposes the flask to UV light. Initially, the partial pressure of X is 75.0% greater than the partial pressure of Y.
Chemistry
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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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Transcribed Image Text:Two gases X and Y are found in the atmosphere in only trace amounts because they decompose quickly. When exposed to ultraviolet light the half-life of X is
1.50 h, while that of Y is 135. min. Suppose an atmospheric scientist studying these decompositions fills a transparent 10.0 L flask with X and Y and exposes
the flask to UV light. Initially, the partial pressure of X is 75.0% greater than the partial pressure of Y.
As both gases decompose, will the partial pressure of X ever fall
below the partial pressure of Y?
yes
Ox10
no
If you said yes, calculate the time it takes the partial pressure of X
to fall below the partial pressure of Y. Round your answer to 2
significant digits.
Expert Solution
Step 1
Given, held life of X is 1.5 h and y is 135 min
Partial pressure of X is 75% greater than Y
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