Jump to content

chenbeier

Senior Members
  • Posts

    466
  • Joined

  • Last visited

  • Days Won

    1

Everything posted by chenbeier

  1. Without watching the movie, it is not possible to answer. In my opinion rule 2.7 has some nonsense. On one side people should not click any link and watch movies, on the other side it is told that videos should accompanied with enough text to set the tone of discussion. How to discuss a movie it its not allowed to watch. I think you have to check the rules for reasanable using. Or you are saying its not allowed to post any videos. Especial the topic of ways to dying.
  2. The bandages were soaked with a highflammable substance, so the spark of the cigarette ash ignited it. Told at 1.30 min. He burnt alive. So don't smoke if you work with high inflammable substances, like fuel, ether, acetone, paint thinner, etc. Especially the cloth or gloves are contaminated with it.
  3. Yes from the mole of the ammoniumnitrate you have to calculate according the chemical reaction of all gases. Additionall you have to add the air.
  4. First convert the 577 g Ammonium nitrate into mol. You need molar mass for it. n = m/M From the chemical equation you see that 2 mol ammoniumnitrate refers to 2 mol nitrogen, 4 mol water and 1 mol oxygen. From the calculate mole above get them for the gases. look up specific gravity of NH4NO3 calculate the volume. From the given volume of the container subtract it. This volume is air. With the given pressure, temperatur and calculated volume use ideal gas law before explosion and get mol of air. Separate this to 79% nitrogen and 21% oxygen. Add all moles Mol fraction is Mf = nN2/(nN2+nO2+nH2O)
  5. From the given equation calculate the mole of all gases, water is steam. Second from the given volume of the Container minus the volume of the solid salt calculate also the mole of nitrogen and oxygen of the air. Summarize of all moles and build the quote of nitrogen to the summery.
  6. You have to use glass or ceramic material . Best is to use a vacuum fritte. https://de.m.wikipedia.org/wiki/Fritte_(Filter)#/media/Datei%3ASintered_glass_funnel-02.jpg
  7. Definition here: https://energyhq.com/2017/04/upstream-midstream-downstream-whats-the-difference/
  8. chenbeier :What kind of Butter, Almond Butter ? Rapeseed Oil left me a little uneasy after reading how it is made : https://www.smartholistics.co.uk/news-blog/the-dark-side-of-rapeseed-oil/ I mean normal butter made from milk from cow what you put on a bread. Also magarine is possible. Instead of the raps seed oil every oil made from plant is ok, so you found already oleate, made from olive oil or cocoate made from coconate oil. You can also melt candle wax mix with Soda.
  9. @Erina , Alkalinity is not enough to have good Washington results. You need surfactant, add Butter, Raps oil to the Soda and boiling the solution.
  10. If sulfur compounds with Oxidation number less + 6 then hydrogensulfide can be obtained. Hydrogen is a Reduction agent in Status nascandii.
  11. Some ideas can find here https://en.m.wikipedia.org/wiki/Volatile_fatty_acids_analysis
  12. Not to forget all the minerals left in the ash. The name pottash is coming from that. Mainly potassium carbonate. Carbon itself as charcoal is more less like aktive coal. This probably will remain long time.
  13. Generally to answer the headline. The carbon is burnt to carbondioxide and this can be used again to produced new plants.
  14. Better is to go to a school for chemistry instead to do Experiments at home. I think it will be difficult to get chemicals for normal persons anyway.
  15. That is not the goal. The goal was to remove CO2 from the carbonate solution by Ventilation. It is clear if we add acid to it. But then we exchange carbonate to another anion from that acid. I think he is still looking to "Filter" the carbonate.
  16. The difference is on one side you have CO2 dissolved in water. This can be removed easily on the other side you have alkali cathions additionally. Its the same you dissolve CO2 in NaOH for example. This cannot remove.
  17. Only as carbon dioxide in water, like Soda drinks decompose if they stand long time around. But in combination with a metal cathion, its not possible.
  18. The urea is more or less decomposed by the acid, there is nothing to purify.
  19. The expenditure is to much. Throw it a way and buy new one. The acid will decompose the urea anyway to ammonium, nitrogen oxides and carbondioxide.
  20. Yes it does depending on the soloubility product. Na2CO3 => 2 Na+ + CO3 2- max. 217 g/l CaCO3 => Ca2+ + CO3 2- max. 14 mg/l
  21. But this is not filtering, its other kind of removing.
  22. No, Filterung is only possible from something what is not solouble. Like Coffee from insouloble crashed Coffee beans.
  23. I would think so, or use reverse osmosis.
  24. Ok, right. But still difficult to get clean K2O. All methode to produced K2O dont use Carbonate. Check here below the point production https://en.m.wikipedia.org/wiki/Potassium_oxide
×
×
  • Create New...

Important Information

We have placed cookies on your device to help make this website better. You can adjust your cookie settings, otherwise we'll assume you're okay to continue.