The average kinetic energy of the molecules in a gas sample depends only on the temperature, T. However, given the same

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The Average Kinetic Energy Of The Molecules In A Gas Sample Depends Only On The Temperature T However Given The Same 1 (34.15 KiB) Viewed 30 times

The average kinetic energy of the molecules in a gas sample depends only on the temperature, T. However, given the same kinetic energies, a lighter molecule will move faster than a heavier molecule, as shown in the equation for rms speed rms speed= where R = 8.314 J/(mol-K) and M is molar mass in kilograms per mole. Note that a joule is the same as a kilogram-meter squared per second squared (kg-m²/s²). What is the rms speed of N, molecules at 439 K? rms speed: 3RT M What is the rms speed of He atoms at 439 K? rms speed: m/s m/s