At What Temperature Would the Root-Mean-Square Speed (Thermal Speed) of Oxygen

question 33

Multiple Choice

At what temperature would the root-mean-square speed (thermal speed) of oxygen molecules be 13.0 m/s? Assume that oxygen approximates an ideal gas. The mass of one O₂ molecule is 5.312 x 10^-26 kg. The Boltzmann constant is 1.38 × 10^-23 J/K.

• A) 0.217 K
• B) 1800 K
• C) 5410 K
• D) 0.0666 K

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Definitions:

Concentration

The measure of the amount of a given substance in a specific volume of a solution or mixture.

Osmoregulators

Organisms that regulate their internal osmotic pressure, maintaining fluid balance despite external environmental changes.

Salt Concentration

The amount of salt dissolved in a solution, typically measured in parts per thousand or milligrams per liter, significant in both biological and environmental contexts.

Animals

Multicellular, eukaryotic organisms in the kingdom Animalia, characterized by their ability to move voluntarily.