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    | • | A
    balloon has a volume of 43.0L at 20oC. 
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    |  |  | 
   
    |  | What is its
    volume at -5oC? 
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    |  | 
   
    | • | A syringe has a
    volume of 10.0mL at 
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    |  | 
   
    |  | 14.7psi. If the
    tip is blocked so that air can’t 
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    |  | 
   
    |  | escape, what
    pressure is required to 
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    |  | 
   
    |  | decrease the
    volume to 2.00mL? 
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    |  | 
   
    | • | If
    20.0g of N2 gas has a volume of 4.00L 
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    |  |  | 
   
    |  | 
   
    |  | and a pressure of
    6.00atm, what is its temp? 
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