Which Laboratory Observation Would Most Support the Kinetic Theory's Assumption

question 31

Multiple Choice

Which laboratory observation would most support the kinetic theory's assumption that molecules in a gas are widely separated?

• A) A gas exerts the same pressure on each part of a container's wall.
• B) A gas is highly compressible.
• C) A gas with a lower formula mass diffuses more rapidly than one with a higher formula mass.
• D) A gas expands when the pressure on it is released.

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Definitions:

Eyespots

Photoreceptor cells in some unicellular organisms that allow them to detect light, aiding in survival by guiding movements towards or away from light sources.

Leeches

Blood-sucking or carnivorous aquatic or terrestrial worms, belonging to the class Hirudinea.

Setae

Bristle-like structures found on the bodies of some animals, such as insects and earthworms, used for sensation, locomotion, or attachment.

Chelicerae

A pair of appendages in front of the mouth in arachnids and some other arthropods, serving as fangs or pincers.