A Cubic Box with Sides of 20

question 10

Multiple Choice

A cubic box with sides of 20.0 cm contains 2.00 × 10²³ molecules of helium with a root-mean-square speed (thermal speed) of 200 m/s.The mass of a helium molecule is 3.40 × 10^-27 kg.What is the average pressure exerted by the molecules on the walls of the container? The Boltzmann constant is
1) 38 × 10^-23 J/K and the ideal gas constant is R = 8.314 J/mol • K = 0.0821 L • atm/mol • K.

• A) 3.39 kPa
• B) 1.13 kPa
• C) 570 Pa
• D) 2.26 kPa
• E) 9.10 Pa

---

Definitions:

Production Managers

Professionals responsible for overseeing the production process in manufacturing, ensuring that operations run smoothly and efficiently.

Probabilistic Sampling

A sampling method where each member of the population has a known, non-zero chance of being selected in the sample.

Subjective

Subjective refers to concepts, opinions, or perspectives based on personal feelings, tastes, or opinions, rather than external facts.

Random Procedure

A method or process characterized by random or unpredictable elements, used in situations requiring nondeterministic outcomes.