Which Set of Gases Is Listed from Lowest to Highest $\circ$

question 190

Multiple Choice

Which set of gases is listed from lowest to highest root-mean-square speed at 25 ^$\circ$ C?

• A)Kr < CO₂ < NO₂ < SF₆
• B)SF₆ < NO₂ < CO₂ < Kr
• C)SF₆ < Kr < CO₂ < NO₂
• D)SF₆ < Kr < NO₂ < CO₂
• E)CO₂ < NO₂ < Kr < SF₆

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Definitions:

Hypertension

Form of cardiovascular disease characterized by blood pressure over 140/95 (over 45 years of age) or 130/90 (under 45 years of age).

Silent Killer

A term often used for a disease or condition that progresses without obvious symptoms until significant damage has occurred, such as hypertension.

Stroke

A medical condition occurring when the blood supply to part of the brain is interrupted or reduced, leading to brain damage and loss of function.

Stem Cells

Undifferentiated biological cells that can differentiate into specialized cells and can divide to produce more stem cells.