Helium & Argon Diffusivity: 10% He Lost, What % Ar?

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  • Thread starter groovayness
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In summary, the conversation discusses the molecular diffusivity of Helium and Argon and the loss of Argon when 10% of Helium is lost in a tank of water. The individual asking for assistance is advised to show interest in their academic work and to read a suggested resource.
  • #1
groovayness
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Helium has a molecular diffusivity three times greater than that for Argon. If a tank of water is charged with 0.5 atm of He and 0.5 atm of Ar and then allowed to stand in open contact wiht air, what percent of the Ar will have been lost when 10 percent of the He has been lost?
 
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  • #2
Get one thing straight - homework is not fun for you or anyone else - if you want others to assist you show some interest in your academic endeavor.
 
  • #3
you don't have to be an ass about it..what the **** do you want me to do if i don't even know where to start?
 
  • #4
I suggest that you read the following

https://www.physicsforums.com/showthread.php?t=94384
 

1. What is the difference between helium and argon?

Helium and argon are both noble gases, meaning they are non-reactive and have full outer electron shells. However, helium is the lightest noble gas and is typically used in balloons and other applications requiring a gas that is less dense than air. Argon, on the other hand, is heavier and is commonly used as an inert gas in light bulbs and welding.

2. How does diffusivity affect the loss of helium and argon?

Diffusivity refers to the rate at which gases can move through a medium. In the case of helium and argon, diffusivity plays a role in determining how much of each gas is lost over time. Since helium has a smaller atomic size and is less dense than argon, it diffuses more quickly and is therefore more likely to be lost over time.

3. What does it mean when 10% of helium is lost?

If 10% of helium is lost, it means that 10% of the initial amount of helium has diffused out of the system. This could be due to various factors such as the type of container used, the temperature and pressure of the environment, and the length of time the helium has been stored.

4. How does the loss of helium and argon affect their properties?

The loss of helium and argon can affect their properties in different ways. For helium, the loss of 10% could result in a decrease in its buoyancy and make it less suitable for applications such as lifting balloons. As for argon, its density and inertness may be affected by the loss, potentially impacting its use in welding or other industrial processes.

5. What percentage of argon is typically lost in comparison to helium?

The percentage of argon lost will depend on various factors such as the conditions of storage and the length of time. However, since argon has a larger atomic size and is denser than helium, it tends to diffuse more slowly and therefore is less likely to be lost in the same amount as helium over time.

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