Which of the Following Changes Will Not Affect the Total

question 30

Multiple Choice

Which of the following changes will not affect the total pressure of gas in a container, assuming all other factors remain constant?

• A)The frequency of collisions of molecules with the walls is increased.
• B)The average velocity of the molecules is lowered.
• C)The temperature of the sample is altered.
• D)Half of the molecules are replaced by an equal number of molecules of a gas with a different molecular weight.
• E)The total number of molecules is altered.

---

Definitions:

Coccyx

A small, triangular bone at the base of the spinal column in humans, composed of fused vestigial vertebrae.

Radius

One of the two large bones in the forearm, located on the side of the thumb.

Carpals

Bones forming the wrist that connect the hand to the forearm.

Phalanges

The bones of the fingers and toes.