12.5: KMT & Effusion
Chapter 12

Dr. Robert E. Belford




Question 1
According to the kinetic molecular theory, the average kinetic energy of a gas is proportional to its
(A)  volume
(B)  pressure
(C)  absolute temperature
(D)  all of the above
 

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Question 2
A real gas best approximates an ideal gas at:
(A)  high pressure
(B)  low pressure
(C) 
(D) 
 

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Question 3
The kinetic molecular theory best describes a:
(A)  real gas
(B)  ideal gas
(C)  neither
(D)  both
 

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Question 4
Define Effusion
(A)  See Hint
(B) 
(C) 
(D) 
 
Hint

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Question 5
Define Diffusion
(A)  See Hint
(B) 
(C) 
(D) 
 
Hint

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Question 6
The rate of effusion of He is ___ times faster than Neon.
(A)  5.04
(B)  .198
(C)  2.25
(D)  0.445
 
Hint

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Question 7
Ammonia and nitric acid vapors enter an 1.00 M evacuated linear tube from opposite ends. They effuse through the tube until they meet each other and form ammonium nitrate. How many millimeters does the ammonium nitrate form from the end which the ammonia entered?
(A)  1.9m
(B)  0.526
(C)  0.657
(D)  0.342
 
Hint

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Question 8
What two gasses can not be separated by a effusion type apparatus?
(A)  CO,CO2
(B)  CO, N2
(C)  all of the above
(D)  none of the above
 
Hint

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Question 9
A real gas best approximates an ideal gas at low or high temperature?
(A)  high
(B)  low
(C) 
(D) 
 

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