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March 25, 2017

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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 - ,

    rms = sqrt (3RT/M)

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