practice problem 12 2 n.
Download
Skip this Video
Loading SlideShow in 5 Seconds..
Practice Problem 12.2 PowerPoint Presentation
Download Presentation
Practice Problem 12.2

Loading in 2 Seconds...

play fullscreen
1 / 10

Practice Problem 12.2 - PowerPoint PPT Presentation


  • 263 Views
  • Uploaded on

Practice Problem 12.2. Effusion of an unknown gas Before you begin make sure the problem is printed out and in front of you. The Question. An unknown gas is found to effuse at a rate that is 1.864 times faster than Br 2 at the same temperature. What is the identity of the gas? Cl 2 Ar NO 2

loader
I am the owner, or an agent authorized to act on behalf of the owner, of the copyrighted work described.
capcha
Download Presentation

PowerPoint Slideshow about 'Practice Problem 12.2' - cain


Download Now An Image/Link below is provided (as is) to download presentation

Download Policy: Content on the Website is provided to you AS IS for your information and personal use and may not be sold / licensed / shared on other websites without getting consent from its author.While downloading, if for some reason you are not able to download a presentation, the publisher may have deleted the file from their server.


- - - - - - - - - - - - - - - - - - - - - - - - - - E N D - - - - - - - - - - - - - - - - - - - - - - - - - -
Presentation Transcript
practice problem 12 2

Practice Problem 12.2

Effusion of an unknown gas

Before you begin make sure the problem is printed out and in front of you.

the question
The Question

An unknown gas is found to effuse at a rate that is 1.864 times faster than Br2 at the same temperature. What is the identity of the gas?

  • Cl2
  • Ar
  • NO2
  • CH4
  • O2
concepts
Concepts

An unknown gas is found to effuse at a rate that is 1.864 times faster than Br2 at the same temperature. What is the identity of the gas?

connections
Connections
  • What is given?
    • The relationship between the two gases’ effusion rates.
  • What do I want to know?
    • The identity of the unknown gas
  • What else do I need to know?
    • What is effusion?
summarize your information then solve
Summarize your Information…THEN solve

rate of effusion of unknown =

Rearranging this becomes

Graham's Law tells us that the ratio of the rates is related to the molar masses of the gases: