• Can you flip a skeletal structure?

    I want to make sure that I am drawing a skeletal structure properly. As long as all of the lines and letters are in the exact same position, can I rotate or flip the drawing?   Thank you!!!
    Katelyn Fletcher-McPhee
    last modified by Katelyn Fletcher-McPhee
  • How to prepare buffer?

    On a student lab practical manual for extraction of plant pigments,  under the reagent line it says: Prepare citrate-phosphate-borate-HLC buffer, pH 2,3,5, and 7. How to prepare this/these buffer(s)?
    Wai Fun Leong
    last modified by Wai Fun Leong
  • Chemical Reactions

    Good day masters!!!,Is there a book containing all possible chemical reactions in the world Thank you very much
    Bathalang Ekup
    last modified by Bathalang Ekup
  • The philosopher's stone

    Good day sir/madam! Is it possible to turn Mercury into gold? Thank you
    Bathalang Ekup
    last modified by Bathalang Ekup
  • C3H8O2 + Na2CO3 + H2O

    What would happen if you mixed sodium carbonate (soda ash) and inhibited propylene glycol in warm water? Thank you!
    alice bee
    last modified by alice bee
  • How do we separate chemical constituents like cinnamon aldehyde from a bulk essential oils what methods do we use and what equipments do we use to separate

    Hello everyone, im a mechanical eng student but im interested in a chemistry related question. how do we separate chemical constituents like cinnamon aldehyde from a bulk cinnamon bark oil? what methods do we use and ...
    DULSHAN SULAKSHANA
    last modified by DULSHAN SULAKSHANA
  • How to create a product tag to ensure frozen foods stay frozen? (A. Todd)

    I am a mechanical engineer by training (degree in Engineering Science, many years ago). I am also an academically trained historian and anthropologist, and nowadays, I do engineering-oriented public policy analysis. M...
    Lily Raines
    last modified by Lily Raines
  • 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
  • Enthalpy change stoichiometry

    consider the synthesis reaction of C :    3A+2B>>> 4C if the standard enthalpy change for this reaction is 500KJ/mol what energy is needed to make 2.4moles of A react?
    Thierry Refour
    last modified by Thierry Refour
  • Can uncured rubber covering be crosslinked?

    I've had the rubber grip coating on power tools, computer mice etc become sticky. 1) what causes this (the mouse was exposed to moderate heat of a enclosed car), so that one might try to avoid it in the future, or is...
    john lee
    last modified by john lee
  • Electrolysis of molten AgNO3?

    Is that possible? The problem assigned in class didnt give information about the electrodes, and it asked about the formation of Ag(s). The problem itself was easy, but I realized that this electrolysis can't happen, ...
    Angelo L'abate
    last modified by Angelo L'abate
  •   I'm a professional disc golfer. Discs are strictly regulated by weight limits. I have discs that are many years old that have actually lost weight/mass. One disc initially weighed 174 grams and now weights 165 grams. Do you know of a liquid that could b

    I'm a professional disc golfer. Discs are strictly regulated by weight limits. I have discs that are many years old that have actually lost weight/mass. One disc initially weighed 174 grams and now weights 165 grams. ...
    Eric Marx
    last modified by Eric Marx
  • Mix Borax and Chlorox?

    Can you mix sodium tetraborate decahydrate (Borax) with sodium hypochlorite (liquid household bleach or Chlorox) in a solution?   Is this dangerous or toxic? I heard never mix anything with bleach, but pool ...
    Bill Pauls
    last modified by Bill Pauls
  • Essential Oils in beverages - emulsions?

    Generally can anyone direct me to safety and best practice in the use of essential oils as ingredients for beverages?   thank you, Cp
    Christian Pulido
    last modified by Christian Pulido
  • 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