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Solved: The proportions of various gases in the earth’s
Chapter 18, Problem 13DQ(choose chapter or problem)
The proportions of various gases in the earth’s atmosphere change somewhat with altitude. Would you expect the proportion of oxygen at high altitude to be greater or less than at sea level compared to the proportion of nitrogen? Why?
Questions & Answers
QUESTION:
The proportions of various gases in the earth’s atmosphere change somewhat with altitude. Would you expect the proportion of oxygen at high altitude to be greater or less than at sea level compared to the proportion of nitrogen? Why?
ANSWER:Solution 13DQ
Step 1 of 2:
The proportions of various gases in the earth’s atmosphere change somewhat with altitude. That change is given by the law of atmospheres,
That is, the variation of atmospheric pressure(p) relative to height(y) is given by,
Where m is the molecular weight.
Below graph shows the variation of atmospheric pressure relative to altitude or height at constant temperature,
