Consider Two Equal-Volume Flasks of Gas at the Same Temperature $\sqrt { \frac { 32 } { 28 } }$

question 71

Multiple Choice

Consider two equal-volume flasks of gas at the same temperature and pressure. One gas, oxygen, has a molecular mass of 32 . The other gas, nitrogen, has a molecular mass of 28 . What is the ratio of the number of oxygen molecules to the number of nitrogen molecules in these flasks?

• A) \(\sqrt { \frac { 32 } { 28 } }\)
• B) \(\sqrt { \frac { 28 } { 32 } }\)
• C) \(\frac { 32 } { 38 }\)
• D) \(\frac { 28 } { 32 }\)
• E) \(\frac { 1 } { 1 }\)

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Definitions:

Crista Galli

A vertical protrusion of the ethmoid bone in the brain that serves as an attachment point for the falx cerebri, a membrane that divides the two cerebral hemispheres.

Styloid Process

A pointed piece of bone that extends from the temporal bone of the skull, serving as an attachment point for muscles and ligaments of the tongue and neck.

Frontal

Referring to the forehead or the front part of something, particularly in anatomy, it pertains to the front part of the brain or the frontal bone of the skull.

Maxilla

A pair of bones forming the upper jaw and part of the orbits surrounding the eyes, essential for facial structure.