Chemistry Practice Problems Kinetic Energy of Gases Practice Problems Solution: Helium (He) is the lightest noble gas component of...

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Solution: Helium (He) is the lightest noble gas component of air, and xenon (Xe) is the heaviest. [For this problem, use R = 8.314 J/(mol·K) and express ℳ in kg/mol.](c) Find the average kinetic energy per mole of He and of Xe at 30.°C.

Problem

Helium (He) is the lightest noble gas component of air, and xenon (Xe) is the heaviest. [For this problem, use R = 8.314 J/(mol·K) and express ℳ in kg/mol.]

(c) Find the average kinetic energy per mole of He and of Xe at 30.°C.