Oxygen Molecules Are 16 Times More Massive Than Hydrogen Molecules $\sqrt { 2 }$

question 93

Multiple Choice

Oxygen molecules are 16 times more massive than hydrogen molecules. At a given temperature, how do their average molecular speeds compare? The oxygen molecules are moving

• A) four times faster than the hydrogen molecules.
• B) at 1/4 the speed of the hydrogen molecules.
• C) sixteen times faster than the hydrogen molecules.
• D) at 1/16 the speed of the hydrogen molecules.
• E) at 1/ \(\sqrt { 2 }\) the speed of the hydrogen molecules.

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Definitions:

Rotary Motion

Movement in a circular path, revolving around an axis or center point.

Pressure Angle

The angle at which force is applied to the teeth of gears in mesh, affecting efficiency and strength of the gear teeth.

Radial Distance

The measure from the center of a circle to its perimeter, relevant in various contexts, including geometry and mechanical design.

Mating Tooth

In gear terminology, a tooth on one gear that engages with a corresponding tooth on a mating gear to transmit motion.