Example questions for the critical item 9.

Critical item 9:

1 If one starts with 10.0 L of hydrogen in a leak tight container at 25.0 torr and change the pressure to 125 torr by squeezing the container, what is the resultant volume of the container?
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2 10.0 quarts of gas is contained at STP.  The pressure is then changed to 5.0 atm and the temperature to 400 K.  What is the resultant volume in quarts of this gas?
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3 An inflexible container has nitrogen gas stored at 50oC and 4.5 atm.  More gas is let into this container to triple the amount of gas.  The final temperature after the new gas was admitted was 20oC.  What is the new pressure?
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1 ANS = 2.00 L
 
 
 
 
 
  






2 ANS = 2.93 qt.       STP means 1 atm pressure and 0oC
  








 

3 ANS = 12.2 atm