课程名称︰普通化学甲下 课程性质︰必修 课程教师︰林万寅 开课学院：工学院 开课系所︰化工系 考试日期（年月日）︰2012/3/21 考试时限（分钟）：20分钟 是否需发放奖励金：是 （如未明确表示，则不予发放） 试题 : 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~~~~ --

※ 发信站: 批踢踢实业坊(ptt.cc) ◆ From: 140.112.240.59