A Mixture of 1

question 75

Multiple Choice

A mixture of 1.0 mol He and 1.0 mol Ne are at STP in a rigid container. Which of the following statements is TRUE?

• A) Both gases have the same average kinetic energy.
• B) Both gases contribute equally to the density of the mixture under these conditions.
• C) Both gases have the same molecular speed.
• D) The mixture has a volume of 22.4 L.
• E) All of the above are true.

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Definitions:

Diametral Pitches

Diametral pitches refer to the number of teeth per inch of the diameter of a gear, which determines the size of the teeth and the pitch of the gear.

Ratchet Wheel

A wheel or gear with teeth cut in a way that allows motion in one direction only, often used in mechanisms requiring incremental movement.

Pawl

A mechanical component that engages with another component to prevent motion in one direction, or to drive a mechanism intermittently.

Center

The point that is equally distant from all points on the circumference of a circle or the surface of a sphere; in geometry, it's the midpoint of any shape or object.