21. Kinetic Theory of Ideal Gases
Root-Mean-Square Velocity of Gases
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ANSWERS OPTIONS
A
14.3 kg•m/s
B
2.37 × 10-23 kg•m/s
C
1.43 × 104 kg•m/s
D
2.37 × 10-20 kg•m/s
A nitrogen (N2, molar mass = 28.01 g/mol) molecule in the atmosphere has a root mean square speed of 509 m/s. Determine its momentum as it moves at that speed.