A 0.10- gas tank holds 5.0 moles of nitrogen gas (N2), at a temperature of The atomic mass of nitrogen is 14 g/mol, the molecular radius is 3.0 × 10-10 m, and the Boltzmann constant is 1.38 × 10-23 J/K
The root-mean-square speed (thermal speed) of the molecules is closest to
A) 570 m/s.
B) 810 m/s.
C) 410 m/s.
D) 22 m/s.
E) 99 m/s.
Answer: A
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