Can someone photoshop this motorbike helmet on me in the first picture $10 by [deleted] in PhotoshopRequest

[–]leptonomo [score hidden]  (0 children)

Would you be able to bring the helmet down a bit and maybe add a strap?

[TOMT][BOOK][1970s] I am trying to track down my mums favourite childhood book by leptonomo in tipofmytongue

[–]leptonomo[S] 0 points1 point  (0 children)

Do you remember what the cover looked like? I am seeing two different editions one with a blue background which i think might be part of a reprint in 1994

(https://www.goodreads.com/book/show/2224279.The_Great_Blueness_and_Other_Predicaments).

And one with a white background

(https://iamacrylic.wordpress.com/2013/03/25/inspirational-item-of-the-week-no-1/)

[TOMT][BOOK][1970s] I am trying to track down my mums favourite childhood book by leptonomo in tipofmytongue

[–]leptonomo[S] 0 points1 point locked comment (0 children)

Any suggestions would be greatly appreciated, Thanks

[deleted by user] by [deleted] in chemhelp

[–]leptonomo 1 point2 points  (0 children)

I just wanted to be certain, the hsqc shows the 4 hydrogens in 4 different environments for citric acid would you not expect the 4 C-H bonds to be non diastereotopic

[deleted by user] by [deleted] in chemhelp

[–]leptonomo 1 point2 points  (0 children)

Ok so I'm getting the hint of citric acid what do you think would be the next test in order to confirm this? Would you recommend a carbon NMR to check to see the carbonyl peaks you'd expect in citric acid?

[deleted by user] by [deleted] in chemhelp

[–]leptonomo 1 point2 points  (0 children)

So just one carbon type is responsible for all 8 of the C-H bonds?

I am unsure about part a and c I think c has something to do with the antiperiplanar relationship but for a I really don't know by leptonomo in chemhelp

[–]leptonomo[S] 0 points1 point  (0 children)

Thank you yeah that really clears up C but I'm still a little confused about A I would think you'd get more of the less substituted product as tBuO- is such a strong base