Mean Free Path: Assuming the Radius of Diatomic Molecules Is

question 25

Multiple Choice

Mean free path: Assuming the radius of diatomic molecules is approximately for what pressure will the mean free path in room-temperature (20°C) nitrogen be 4.6 m? The Boltzmann constant is 1.38 × 10^-23 J/K, Avogadro's number is 6.02 × 10²³ molecules/mole, and the ideal gas constant is R = 8.314 J/mol ∙ K = 0.0821 L ∙ atm/mol ∙ K.

• A) 4.9 × 10^-8 _atm
• B) 6.9 × 10^-8 _atm
• C) 1.5 × 10^-7 _atm
• D) 2.2 × 10^-7 _atm

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Definitions:

Fertilization

The process by which sperm and egg combine to form a zygote, initiating embryonic development.

Ovum

A female gamete or egg cell that, when fertilized by a sperm, begins the process of developing into a new organism.

Sperm

Male reproductive cells or gametes in sexually reproducing organisms that combine with the female gamete, leading to fertilization and the development of a new organism.

Teratogen

Any factor that can cause a birth defect.