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The Root-Mean-Square Speed (Thermal Speed)of the Molecules of a Gas

Question 32

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The root-mean-square speed (thermal speed) of the molecules of a gas is 200 m/s at a temperature 23.0°C.What is the mass of the individual molecules? The Boltzmann constant is The root-mean-square speed (thermal speed) of the molecules of a gas is 200 m/s at a temperature 23.0°C.What is the mass of the individual molecules? The Boltzmann constant is . A) 2.13 × 10<sup>-25</sup> kg B) 2.45 × 10<sup>-25</sup> kg C) 5.66 × 10<sup>-25</sup> kg D) 1.78 × 10<sup>-25</sup> kg E) 3.11 × 10<sup>-25</sup> kg .


A) 2.13 × 10-25 kg
B) 2.45 × 10-25 kg
C) 5.66 × 10-25 kg
D) 1.78 × 10-25 kg
E) 3.11 × 10-25 kg

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