CHE 121 - group quiz 4 for test 2 - Perfect Gas Law - parametric use

NAMES:



1) 3.0 mole of nitrogen gas is contained in a metal cylinder at 25.0 atm pressure.  An additional 2.0 mole of nitrogen is pumped into this cylinder at the same temperature.  What is the resultant pressure inside the cylinder?
 
 
 
 

                                                                                                                     atm.

2)   A flexible container contains 15.0 L of air at 500oC.  The temperauture is dropped to 25oC.  What is the require volume to maintain the same pressure?
 
 
 
 
 
 
 

                                                                                                                     L

3)  10.0 mole of hydrogen is contained in a fixed volume at 200oC and 3.00 torr pressure.  More hydrogen is pumped into this container to triple the amount of gas present, but the temperature changes to 150oC.  What is the resultant pressure inside the container?
 
 
 
 
 
 
 

                                                                                                                     torr