Arrange the Following Gases in Order of Increasing Average Molecular

question 28

Multiple Choice

Arrange the following gases in order of increasing average molecular speed at 25 °C.

• A) CO₂ < N₂ < O₂ < He
• B) He < N₂ < O₂ < CO₂
• C) CO₂ < O₂ < N₂ < He
• D) CO₂ < He < N₂ < O₂
• E) He < O₂ < N₂ < CO₂

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Definitions:

Phillipe Charcot

A pivotal figure in 19th-century neurology, often remembered for his work on neurological disorders such as hysteria and multiple sclerosis.

Hermann Helmholtz

A German physicist and physician renowned for his contributions to the understanding of the physiology of vision and audition.

Sperling's Experiments

Psychological experiments conducted by George Sperling that demonstrated the existence of iconic memory, showcasing how people can recall visual information after short exposures.

Ebbinghaus

Refers to Hermann Ebbinghaus, a German psychologist known for his pioneering work on memory and the forgetting curve.