The Total Pressure Exerted by a Mixture of the Three

question 29

Multiple Choice

The total pressure exerted by a mixture of the three gases, oxygen, nitrogen, and water vapor, is 742 mm of Hg. The partial pressure of oxygen and nitrogen in the sample are 581 mm of Hg and 143 mm of Hg respectively. What is the partial pressure of water vapor in this mixture?

• A) 18 mm of Hg
• B) 304 mm of Hg
• C) 724 mm of Hg
• D) 1180 mm of Hg
• E) 1466 mm of Hg

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Definitions:

Aftershocks

Smaller earthquakes that occur after a main earthquake and in the same area.

Landslides

The descent of soil, stones, or detritus downhill caused by gravitational pull.

Tsunami

A series of ocean waves with extremely long wavelengths caused by large-scale disturbances such as underwater earthquakes, volcanic eruptions, or landslides.

Richter Magnitude

A scale historically used to quantify the size of earthquakes based on the amplitude of seismic waves, replaced by the more accurate moment magnitude scale for large events.