Organic Chemistry: Introduction to the E2 mechanism. E2 stereochemistry – cis vs. trans, determined by antiperiplanar transition state. Protic vs aprotic solvents. SN2stereochemistry This is a recording of a tutoring session, published with permission of the student. These videos are offered on a “pay-what-you-like” basis. You can pay for the use of the videos on my website: www.freelance-teacher.com I offer tutoring via Skype. For more information, please visit my website to go. For the printable “handout” discussed in these videos, go to my website. For a playlist with all the videos in this series can be found here: www.youtube.com
Question by Favoured: What solvents or reactions can used used to breakdown polyacrylamide gel?
I have a breakdown or dissolve polyacrylamide gels in which a critical piece of equipment, preferably without raising the temperature too much.
Best answer:
Answer by Jabberwock Amides can be hydrolyzed by sodium hydroxide. At low temp it would probably be slow.
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Visit www.polyclayplay.com to access Part 2 of this great video and information about a free Cane Video CD. In the video here Yonat will show that by lining up a stick with a thin layer of water-soluble clay before packaging, you can easily remove the packaging after you cut the floor, so take care of a shaped tube with no background. If you grab a stick with translucent clay, if you cut it into thin slices, the background will seem to disappear, showing only the flower of the object that you add to it. The problem is, it is difficult to cut thin. This problem is solved with this new technology by Idit Zoota fun idea! You can download and print the PDF tutorial guide for www.artbyyonat.polyclayplay.com
A mixed-media art journal page included Caran D’Ache water soluble pastels, stamps, Pen & Ink
Question by psychiatrydude: Is molarity the moles of solute dissolved in one liter of solvent?
I thought it was moles of solute dissolved in one liter of solution. My chem teacher marked this problem wrong on my test, to tell the class that the solute is dissolved in one liter of solvent. Do you think she’s confusing it with molality or is that correct?
Best answer:
Answer by simonizer1218 Well, she isn’t confusing it with molality, because that’s 1 mole per Kg of solvent. Molarity is actually defined as moles of solute per 1 liter of SOLUTION. So, you would be correct, and she would be incorrect. How to go about telling your teacher she’s wrong is a another problem.
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In this video I detail some quick tests and some not-so-quick fixes. A dirty or stuck injector is usually not a fatal problem for the part. You can clean injectors with a little ingenuity, or use an injector cleaning. With the method I use, you will not be a leaf that is flowing, how much liquid measures, but if you use it the right solvent, you can remove at least, blocking what so flowing that it can, as it was when it new. So begins the journey. Video Rating: 4 / 5
Solubility, or an ability for a substance to dissolve itself to another substance is important in many chemical reactions. For example, when salt (NaOH) dissolves itself to H20, it actually attach its chemical structure to water. This is crucial to Intravenous (IV), a patient cannot only absorb water or salt into his/her bloodstream. Too much water will burst a blood cell, too little will lyst a blood cell. NaOH is an agent that can control that balance.
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