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Calculate the Root-Mean-Square Speed of an O2 Molecule with an Average

Question 30

Multiple Choice

Calculate the root-mean-square speed of an O2 molecule with an average kinetic energy of 6.2 * 10-21 J at 25Calculate the root-mean-square speed of an O<sub>2</sub> molecule with an average kinetic energy of 6.2 * 10<sup>-21</sup> J at 25 C.  (1 J = 1 kg . m<sup>2</sup>/s<sup>2</sup>; 1 mol = 6.02 * 10<sup>23</sup>)  A) 20 pm/s B) 230 km/s C) 480 m/s D) 120 m/s E) 230 m/sC.
(1 J = 1 kg . m2/s2; 1 mol = 6.02 * 1023)


A) 20 pm/s
B) 230 km/s
C) 480 m/s
D) 120 m/s
E) 230 m/s

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