• Metallic oil and water hourglass?

    So for the first time in a long time I ran out of money just before a gift exchange I completely forgot about. Friend suggested I make something. I like making things! Buuut they're never simple. So I dug out allll th...
    Riley Hogan
    last modified by Riley Hogan
  • Banana peel extract asap

    I extracted the banana peel by boiling distilled water then putting the banana peel and boiled water in a container. Then, I let it cool down and I homogenized the mixture and then I filtered the slurry. The result is...
    Adriane Estrella
    last modified by Adriane Estrella
  • Filtering black-ish banana extract. Will it still have the antioxidants in the extract?

    So I made a banana peel extract. Here is the procedure. I boiled distilled water and put in a container along with the banana peels. I let the containter cool down and after that I homogenized the mixture. Then I f...
    Adriane Estrella
    last modified by Adriane Estrella
  • Please help! Will tin react or leach when exposed to a mild acid or mild alkaline?

    Hi there!   I'm working with a team that is selecting the packaging for a few food products. We're considering using metal lids that are made of tin.   From what I've read, it sounds like tin is fairly no...
    Benjamin Bernhardt
    last modified by Benjamin Bernhardt
  • Will the Dehydration of 4-Hydroxyphenylacetone with H2SO4 afford Phenylacetone?

    Hello   Is it possible to eliminate the Para Hydroxy Group from 4-Hydroxyphenylacetone(CAS.770-39-8) with H2SO4 to afford Phenylacetone?
    Markus Sandoz
    last modified by Markus Sandoz
  • Why didn't my hydrogen/oxygen mixture produce a bang?

    Every year, my kids and I destroy our Halloween pumpkins in a fun way. This year, we made a hydrogen/oxygen mixture from stainless steel plates and a battery charger in a baking soda/water mixture. A funnel captured a...
    Shawn Wilson
    last modified by Shawn Wilson
  • Relationship between brightness, absorbance and transmittance of light?

    (Chemiluminescence)   Let me know if this is correct...   The more bright a solution, the greater absorbance, and hence the lower the transmittance????
    Siobana Navarro
    last modified by Siobana Navarro
  • Purifying Benzil

    A reaction to convert benzoin to benzil using a Cu+2 catalyzed oxidation didn't go to completion. Purify the benzil.   - I was thinking about recrystallizing the benzil, but wasn't sure if that was the best way...
    Kim Dolhon
    last modified by Kim Dolhon
  • How does this product produce its heat?

    Hello everyone. I'm curious to how this product works. What causes it to produce heat?   Product Page - https://www.amazon.com/Bior%C3%A9-Charcoal-Self-Heating-Minute-Count/dp/B00G7U29 KQ?th=1   Ingredien...
    Alex Fauth
    last modified by Alex Fauth
  • How much heat will be released if a 98% (m/m) H2SO4 solution is diluted to 96% (m/m)

    I know i have to look at the reaction enthalpy. Normally for diluting sulphuric acid the following reactions occurs:   (1)     H2SO4 + H2O --> H+ HSO4- +H2O (2)     HS...
    nico groen
    last modified by nico groen
  • Makeup line

    Hey my name is Taleesha and I have a passion for creating a makeup line. I know i would have to find a chemist and i don’t really know how to go about doing that. I know exactly what kind of makeup i would like ...
    Taleesha Rice
    last modified by Taleesha Rice
  • Does a 3D model of hardystonite exist? I can't find one.

    If there isn't one, how would the elements go together?
    Daniel Dennis
    created by Daniel Dennis
  • how do you create a 0.2N solution of sodium hydroxide using powdered sodium hydroxide

    Hi,   Thank you for you help- we are looking to create a 0.2N solution of sodium hydroxide to use in our food processing business using powdered sodium hydroxide.  We currently purchase the solution pre-mad...
    Nicholas Beaulieu
    last modified by Nicholas Beaulieu
  • Substituting anhydrous for monohydrous and vice versa

    Heyo! I'm preparing a growth medium for mold, following the recipe below.   Dissolve the following ingredients, in the order listed, into 500ml of cold tap water: 44.0 grams Lactose Monohydrate, 25.0 grams corn...
    Drew Opland-Evers
    last modified by Drew Opland-Evers
  • Diffusion of alcohol through a gel

    Hi there - I am writing a science activity for elementary students for a STEM camp focusing on the science of slime. The activity involve demonstrating diffusion. I made clear slime with borax and glue, please a small...
    Stephanie Morris
    last modified by Stephanie Morris
  • Alloys - White Gold

    Is there a chemical formula for white gold?
    Daniel Dennis
    last modified by Daniel Dennis
  • Is polysorbate 20 the same thing as palm oil?

    Is polysorbate 20 the same thing as palm oil?
    Gerald Martin
    last modified by Gerald Martin
  • mixing acid with alkaline

    I am making a mix with the following ratios water 1200 litres Phosphoric acid 250 litres potassium hydroxide 360 kgs   When I add the hydroxde to the acid water it give off a violent reaction and heats up. I...
    Chris Roberts
    last modified by Chris Roberts
  • Confused on a medium described in an article

    Heyo! I'm a high-school student in my senior year. For a scientific research project, my group will be attempting to isolate penicillin from bread mold. On a website explaining the process (linked below), it says to ...
    Drew Opland-Evers
    last modified by Drew Opland-Evers
  • Potassium alum as an astringent?

    Is potassium alum safe to apply anally as an astringent?
    Gerald Martin
    last modified by Gerald Martin