First, calculate the speeds using the formulas: RMS is sqrt(3RT/M), average is sqrt(8RT/πM), most probable is sqrt(2RT/M). For N₂ at 300K, you get roughly 517 m/s RMS, 476 m/s average, and 422 m/s most probable. Honestly, for most calculations like diffusion or kinetic energy, you need the RMS speed—it’s the one rooted in the mean squared energy, the real "workhorse" of the set. Reminds me of my old laptop’s processor speed—the turbo boost number looks fancy, but it’s the sustained base clock you actually plan your compile times around.
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