Which Set of Gases Is Listed from Slowest to Fastest

question 12

Multiple Choice

Which set of gases is listed from slowest to fastest diffusion rate?

• A) HCN < H₂ < He < O₃
• B) H₂ < He < HCN < O₃
• C) O₃ < HCN < He < H₂
• D) HCN < He < O₃ < H₂
• E) H₂ < HCN < He < O₃

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Definitions:

Goose Bumps

The raising of small bumps on the skin due to the contraction of miniature muscles at the base of hair follicles, usually in response to cold or fear.

Hair Follicles

The skin organ that produces hair, consisting of a small tubular cavity containing the root of a hair and located in the dermis of the skin.

Nervous Tissue

Tissue that contains nerve cells (neurons), which conduct impulses, and neuroglia, which support, protect, and provide nutrients to neurons.

Stimuli

External or internal changes that affect the responses of living organisms.