Posted by **Chelsea** on Sunday, October 13, 2013 at 7:51pm.

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 kg·m2/s2.

What is the rms speed of N2 molecules at 335 K?

What is the rms speed of He atoms at 335 K?

- Chemistry #26 -
**DrBob222**, Monday, October 14, 2013 at 1:42am
rms = sqrt (3RT/M)

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