Question

The average velocity of gas molecules is 400 m per second find The RMS velocity of the gas?

Answer 1

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Answer 2

Answer : 434 ms⁻¹

explanation

Crms = √3 RT/M × (√8 RT/πM ) × Cavg

Crms = √3π/8 × Cavg

given Cavg = 400 ms⁻¹ hence,

Crms = √3π/8 × 400

=> 434 ms⁻¹