Apentix/AP Chemistry/Unit 3: Intermolecular Forces and Properties/Question
AP Chemistrymediummcq1 pt

At the same temperature, which gas would have the highest average kinetic energy?

A.Helium
B.OxygenNitrogenAll gases have the same average kinetic energy at the same temperature

Explanation

Core Concept

Average kinetic energy of a gas depends only on temperature (KE = 3/2 kT), not on the identity or mass of the gas molecules.

Correct Answer

D

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