The Periodic Table

« first day (3068 days earlier) ← previous day next day → last day (1618 days later) »

Newton

12:49

n a quora post i read "When CH3 is directly attached to O(e.g. methoxide) then CH3 acts as Electron Withdrawing Group , it's also proven by NMR Spectroscopy"
Is it true ?
Link to that post -

quora.com/…

4 hours later…

Safdar

16:41

@Newton www2.chemistry.msu.edu/faculty/reusch/VirtTxtJml/Spectrpy/nmr/…

1 hour later…

Bounty Hunter

17:50

Q: Graphene in Lithium-ions batteries: why?

I have recently been reading about the amazing discovery of a super-material: Graphene. This one carbon-layer chemical is not only one of the most resistant materials ever known, but also one of the best heat and electric conductors. At some point, the article mentioned that the implementation of...

2 hours later…

Hot nitric acid (HNQ)

19:59

Q: Why do we use molality on describing colligative property?

I'm satisfied with the explanation about Raoult's law that the chance of vaporizing will depend on the surface exposed to the atmosphere and solute will decrease such chance by taking portion of the surface at rate of $X_{solute}$. However, incase of elevation and depression of boiling point, I c...