Elephant Toothpaste Experiment in closed container used to compress air

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Discussion Overview

The discussion revolves around the elephant toothpaste experiment, particularly the implications of conducting it in a closed container and the potential increase in air pressure. Participants explore the safety concerns and possible applications of the resulting compressed air, such as using it as fuel for a jetpack.

Discussion Character

  • Exploratory
  • Technical explanation
  • Debate/contested
  • Conceptual clarification

Main Points Raised

  • One participant questions whether combining the chemicals in an airtight container would lead to an increase in air pressure due to the gas released.
  • Another participant asserts that the gas produced would occupy significantly more volume than the initial reactants, implying an increase in pressure.
  • A cautionary note is raised regarding the dangers of using high concentrations of hydrogen peroxide (30-35%) in such experiments, emphasizing the need for safety precautions when using a pressure vessel.
  • A participant expresses interest in using the compressed air generated from the experiment as a fuel source for a jetpack, acknowledging the limitations of its lifting capability.
  • Another participant discusses the traditional roles of air and fuel in propulsion systems, suggesting alternative methods for chemical production and encouraging creative approaches to the jetpack idea.

Areas of Agreement / Disagreement

Participants generally agree that the gas produced would increase pressure in a closed container, but there are differing views on the safety and feasibility of conducting such an experiment. The application of the compressed air for a jetpack remains speculative and is met with both interest and caution.

Contextual Notes

Safety concerns regarding the use of high concentrations of hydrogen peroxide and the implications of conducting experiments in pressure vessels are highlighted, but specific safety protocols or mathematical calculations are not provided.

Who May Find This Useful

This discussion may be of interest to individuals exploring chemical reactions, safety in experimental setups, and innovative applications of gas production in propulsion systems.

bigmoney
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In case you have never heard of the elephant toothpaste experiment, take a look at this:

http://www.using-hydrogen-peroxide.com/elephant-toothpaste.html"

I was just wondering, if you put the chemicals together in an air tight container, would the air pressure increase?
 
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Absolutely; the gas being released takes up significantly more volume than the initial liquids and solids.
 
I would be very careful doing an experiment like this. 30-35% H2O2 is very dangerous for casual use due to the combination of oxidation and exothermic reactions.

Putting that in a pressure vessel is an even worse idea- unless proper safety precautions are taken.
 
ok, thx. Now, i would like to use the compressed air as fuel for a jetpack. I know it probably wouldn't have enough force to lift a person off the ground, but maybe just make the person feel very light, so he could jump very high for a few secconds.
 
Air and fuel are traditionally very distinct counterparts; for example, the air (or oxidant) would be one feed to the jet of choice, and the wearer's fat might work as the fuel if it were neatly extracted and the water load removed from any 'flame front' to the jet.

Have fun making this happen, but don't feel too stuck on one method of chemical production.
 

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