Does Gas Displacement Occur in Apparatuses Producing Oxygen Gas?

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SUMMARY

The discussion confirms that gases do not displace each other in apparatuses producing oxygen gas. Specifically, when oxygen is generated in a flask, it mixes with the existing air rather than displacing it. The participants noted that for displacement to occur, a reaction, such as with potassium chlorate, would need to take place, which does not happen in this scenario. Therefore, the conclusion is that oxygen and air simply mix without any displacement occurring.

PREREQUISITES
  • Understanding of gas laws and behavior
  • Knowledge of chemical reactions involving potassium chlorate
  • Familiarity with laboratory apparatus for gas collection
  • Basic principles of gas mixing and diffusion
NEXT STEPS
  • Research the properties of gases and how they interact in mixtures
  • Study the chemical reaction of potassium chlorate decomposition
  • Explore laboratory techniques for collecting and analyzing gases
  • Investigate the principles of gas laws, particularly Dalton's Law of Partial Pressures
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Chemistry students, laboratory technicians, educators, and anyone interested in gas behavior and chemical reactions in experimental setups.

Math1337
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Hi. I was just wondering if gases displace each other. For example, if I set up an apparatus to produce oxygen gas like the one shown in this diagram
averillfwk-fig10_012.jpg

would the oxygen produced in the flask displace the air that is already present in the apparatus? Or would the oxygen gas and air simply "mix"?
 
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Hi.
It mixes. Because if it were to displace, the other gases ( I mean air) has to undergo a displacement reaction with potassium chlorate which does not happen.
 

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