5. The mean free path for an oxygen molecule in a sample of pure oxygen gas (diameter = 300 pm) at 35°C and 1.7 atm is
(A)616913a4b8354.jpg
(B)616913abb0a9d.jpg
(C) 1.6×108
(D) 1.6×109 m.

答案：登入後查看
統計： 尚無統計資料