An Oxygen Molecule Falls in a Vacuum

question 20

Multiple Choice

An oxygen molecule falls in a vacuum. From what height must it fall so that its kinetic energy at the bottom equals the average energy of an oxygen molecule at 800 K? (The Boltzmann constant is 1.38 × 10^-23 J/K, the molecular weight of oxygen is 32.0 g/mol, and Avogadro's number is 6.022 × 10²³ molecules/mol.)

• A) 31.8 km
• B) 10.6 km
• C) 21.1 km
• D) 42.3 km

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Definitions:

Task Difficulty

Task difficulty relates to the complexity and effort required to successfully complete a task or challenge.

Social Norms

Implicit or explicit rules that govern how individuals in a society are expected to behave in various situations.

Comparison With Other Cultures

The practice of examining similarities and differences among various cultural practices, values, and norms to understand human behavior and society.

Self-serving Bias

The tendency to attribute positive events to one's own character but attribute negative events to external factors.