Question

Calculate the rms of oxygen molecule at 127 degree Celsius

Answer 1

$v = \sqrt{ \frac{3rt}{m} } \\ t = 273 + 127 = 400 \\ m = 16 \\ r = 8.31 \\ v = \sqrt{ \frac{3 \times 8.31 \times 400}{16} } \\ = \sqrt{(623.25)} \\ = 24.96$
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