The Diffusion Rate of Helium in a Lecture Hall Was $\degree$

question 163

Multiple Choice

The diffusion rate of helium in a lecture hall was found to be 25.0 m/s at 25 $\degree$ C.How long will it take poisonous phosgene gas, COCl₂, to diffuse 10.0 m in the same room?

• A)2.01 s
• B)0.400 s
• C)12.4 s
• D)61.8 s
• E)9.89 s

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Definitions:

Seborrhea

A skin condition characterized by excessive sebum production, leading to oily skin or dandruff.

Sebaceous Glands

Small oil-producing glands located in the skin, responsible for secreting sebum to lubricate and waterproof the skin and hair.

Icteric

Relating to jaundice, a condition characterized by yellowing of the skin and whites of the eyes due to high bilirubin levels.

Icter

Referring to jaundice, a yellowing of the skin and whites of the eyes caused by high bilirubin levels.