Organic chemistry: Stereochemistry. Chiral carbons (“stereocenters”, “asymmetric carbons”) vs. chiral molecules. Meso molecules. Enantiomers and diastereomers. R and S naming This is arecording of a tutoring session, posted with the student’s permission. These videos are offered on a “pay-what-you-like” basis. You can pay for the use of the videos at my website: www.freelance-teacher.com For a printable document containing the handout discussed in this video series, go to my website. For a list of all the available video series, arranged in suggested viewing order, go to my website. For a playlist containing all the videos in this series, click here: www.youtube.com (1) Chiral carbons (“stereocenters”) vs. chiral molecules (2) Continued. Meso molecules. Enantiomers (3) Continued. Diastereomers. R and S naming (4) R and S naming continued (5) Continued tags: education educational college student MCAT exam test instructional
Ted Zettel, Organic Farmer and Co-Founder of Organic Meadow Cooperative Dairy introduces principles of organic farming in an easy to understand video. He describes what it means to be organic for produce and livestock. Ontario Organics are clean foods you can trust!
Watch this video on my site www.lisae.me.uk for product links, tips and more info. I’ve been asked many times if I ever use organic and natural make-up brands in my kit. As much as i would love to use all organic make-up I find that the range of colours in these brands is often too limiting for professional work (particularly in terms of foundation shades and textures). Due to the fact that many of the chemical ingredients and silicones are omitted there will always be certain textures and pigment types which they cannot achieve. However, the market for these ranges is growing and they are improving all the time in terms of their formulations and colour palettes. I’ve included my current favourite natural brands Lavera, one of the best out there, along with well established Dr Hauschka. These are brands I have used personally for years. I havent touched on the subject of animal testing (suffice to say all the brands mentioned have animal welfare high on their list), as its such a huge subject. Working in the industry I know more about this than most but its not something i can cover and do justice to in a short video. Ditto the use of silicone in cosmetics. I did include all my thoughts on silicone in this video but it was 25 minutes long! I don’t have a problem with silicone myself, its worked its way through the medical industry for years before making it into cosmetics but its up to you to make your mind up for yourself. The look i’m creating is very simple and …
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