12.1: Introduction to Gases
Chapter 12

Dr. Robert E. Belford




Question 1
What are the state variables of a gas?
(A)  Mass & Density
(B)  Volume & Molarity
(C)  Pressure, Temperature & Volume
(D)  Pressure & Volume
 

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Question 2
Convert a barometric pressure of 742mm Hg to units of torr & atm.
(A)  742 atm, 0.976 mm torr
(B)  742 atm, 1.02 torr
(C)  0.976 atm, 742 torr
(D)  1.02 atm, 742 torr
 
Hint

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Question 3
Consider to loactaions at exactly 1,000 ft elevation. One is in Arizona in the dry desert and the other is in Arkansas on a rainy day. Which statement would be true.
(A)  The barometric pressure is the exact same as they are at the same elevation
(B)  The pressure is higher in AZ than AR
(C)  The pressure is higher in AR than AZ
(D)  There is no correlation to the barometric pressure. It depends on the time of year.
 

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Question 4
As you climb a mountain, the elevation goes up and the barometric pressure
(A)  goes up
(B)  goes down
(C) 
(D) 
 

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Question 5
What is the pressure of the gas if the column of mercury is 146.8 mm Hg?

(A)  613.2 torr
(B)  146.8 torr
(C)  760 torr
(D)  906.8 torr
 

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Question 6
What is the pressure of the gas if the column of mercury is 146.8 mm Hg?

(A)  613.2 torr
(B)  146.8 torr
(C)  760 torr
(D)  906.8 torr
 

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