課程名稱︰普通化學甲下 課程性質︰必修 課程教師︰林萬寅 開課學院：工學院 開課系所︰化工系 考試日期（年月日）︰2012/3/21 考試時限（分鐘）：20分鐘 是否需發放獎勵金：是 （如未明確表示，則不予發放） 試題 : a 10-L container with a pin hole of diameter 0.20 μm on one side is filled with 2.0 atm of He atoms at 300K as shown below. Assume that the diameter of He atom is 1.0 A(埃) answer the following questions (He=4.0,R=8.314J.K^-1.mol^-1) ┌──────┐ │ He=2.0atm │ │ V=10L │ │ T=300K │ │ │ │ │ └──────┘ (A)find the number of He atoms in the container (B)find the average kinetic energy of He atoms (C)find the average speed of He atom (D)find the effusion rate of He atoms through the hole at t=0 (E)find the number of collisions for each He atom in one second (F)find the total number of collisions among He atoms in one second -- I am Captain America~~~~ --

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