The average mass of a gas molecule is 4.0×10−26 kg4.0 \times 10^{-26} \text{ kg}4.0×10−26 kg.
What is the mean square speed of the gas molecule at 600 K600 \text{ K}600 K?
[Boltzmann constant kB=1.38×10−23 J K−1k_B = 1.38 \times 10^{-23} \text{ J K}^{-1}kB=1.38×10−23 J K−1]
2.1×105 m2 s−22.1 \times 10^5 \text{ m}^2 \text{ s}^{-2}2.1×105 m2 s−2
4.1×105 m2 s−24.1 \times 10^5 \text{ m}^2 \text{ s}^{-2}4.1×105 m2 s−2
6.2×105 m2 s−26.2 \times 10^5 \text{ m}^2 \text{ s}^{-2}6.2×105 m2 s−2
8.3×105 m2 s−28.3 \times 10^5 \text{ m}^2 \text{ s}^{-2}8.3×105 m2 s−2
