What does the connection symbol at the top right stand for?
Why is there such a wave?
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Do these finds have any function?
We're currently clearing out our grandpa's tools and lab equipment. Every now and then, we find something interesting that tells us more about what he was actually doing, or something that someone else could use. Unfortunately, we can't identify the items ourselves. Perhaps someone can give us a hint about one of the items listed…
How do I calculate the average atomic mass of an isotopic mixture?
Bynurlena
The task is: Calculate the average atomic mass of the following isotopic mixture: 81.2 of 11/5B%.
How can I extend my GFS?
Hello, I'm giving a GFS soon, and it looks too short, about 8 minutes, but it's supposed to be 15-20. The experiment and handout won't arrive in that time.
Moin,
Generally, this means only that here is given a possibility whereby the C atom from which the waves originate can be connected. In this case, therefore, with a methyl group (-CH3) and a hydrogen atom (–H). However, there could be further CH between the methyl group2A further methyl, ethyl, propyl group may be bonded instead of the hydrogen atom.
Apparently, only the molecular range with the conjugated C=C double bond is relevant here (the remainder is not so important)…
LG from the Waterkant
It’s more like writing R1 and R2. Really confusing.
I guess that’s what this version and the ones are meant by swapped CH3/H. Know such a snake of sugars in ring form if you do not want to settle on alpha or beta form.
In this case (E/Z fna cis/trans), however, a slight transition is not possible so that the representation is rather confused.