The average translational kinetic energy of a gas molecule at 300 K is (k = 1.38 10^-23 J/K):

  1. 1.24 10^-20 J
  2. 4.14 10^-21 J
  3. 1.86 10^-20 J
  4. 6.21 10^-21 J
Answer

D) 6.21 10^-21 J

barEk = 32kT = 1.5 1.38 10^-23 300 = 6.21 10^-21 J. SLO P-11-C-02 · Understanding

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