Chlorine gas is at a temperature of 323 K when it occupies a volume of 3.2 L. At what temperature will the volume be 5.8 L ? (a

Chemistry
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Chapter1: Chemical Foundations
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Problem 1RQ: Define and explain the differences between the following terms. a. law and theory b. theory and...
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Charles’ Law (Lesson 54)

Solve the following problems (assuming a constant pressure).  Show your work!

 

Example:  Helium has a volume of 36 mL at 400 K. What volume will it have at 600 K?

V1 = 36mL V1T1 = V2T2 (36/400) = (x/600)

T1 = 400 K

V2 = ? (36)*(600) = (x)*(400)

T2 = 600K

21600 = (x)*(400) x = (21600/400)

x = 54 mL

 

  1. Chlorine gas is at a temperature of 323 K when it occupies a volume of 3.2 L. At what temperature will the volume be 5.8 L ? (answer = 585 K)




  1. Neon gas was heated from 50°C to 150°C. Its new volume is 175 mL. What was the original volume? (answer = 134 mL)





  1. A sample of oxygen occupies a volume of 350 mL at 35oC. What volume will it occupy at 85oC? (answer = 407 mL)





  1. A sample of fluorine at 45°C and a volume of 1.8 liters is cooled to 20°C. What is the new volume? (answer = 1.7 L)






  1. Nitrogen gas at 300 K occupies a volume of 500 mL. To what temperature should it be heated to lower the volume to 250 mL? (answer = 150 K)





  1. Argon gas occupies a volume of 5.4 L at -45°C. What volume will it occupy at 45°C? (answer = 7.5 L)





A sample of helium is cooled and its volume changed from 280 mL to 125 mL. If the final temperature was -55°C, what was its original temperature? (answer = 488 K)

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