A Molecule in an Ideal Gas Has an Rms Velocity

question 78

Multiple Choice

A molecule in an ideal gas has an rms velocity 450 m/s. If the mean free path of the particle in the gas is 5.00 × 10^-8 m, then what is the average time between collisions?

• A) 1.11 × 10^-10 sec
• B) 1.98 × 10^-10 sec
• C) 2.03 × 10^-10 sec
• D) 2.56 × 10^-10 sec
• E) 3.03 × 10^-10 sec

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Definitions:

Overt Observation

A research method where the subjects are aware that they are being observed, which can impact their behavior but also adheres to ethical transparency.

Participant Observation

A qualitative research method involving the researcher immersing themselves in a group or community to observe behaviors and interactions firsthand.

Researcher Reactivity

A phenomenon where the presence or behavior of the researcher influences the subjects' behavior, potentially biasing the study results.

Hawthorne Effect

A phenomenon where individuals alter their behavior due to their awareness of being observed as part of a study.